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name

description

version

author

license

platforms

metadata

hermes-agent

Configure, extend, or contribute to Hermes Agent.

2.3.0

Hermes Agent + Teknium

MIT

linux

macos

windows

hermes

Hermes Agent

Hermes Agent is an open-source AI agent framework by Nous Research that runs in your terminal, a native desktop app, messaging platforms, and IDEs. It's in the same category as Claude Code (Anthropic), Codex (OpenAI), and OpenClaw — autonomous coding and task-execution agents that use tool calling to interact with your system. Hermes works with any LLM provider (OpenRouter, Anthropic, OpenAI, Google, DeepSeek, xAI, local models, and 20+ others) and runs on Linux, macOS, Windows, and WSL.

What makes Hermes different:

Self-improving through skills — Hermes learns from experience by saving reusable procedures as skills. When it solves a complex problem, discovers a workflow, or gets corrected, it can persist that knowledge as a skill document that loads into future sessions. Skills accumulate over time, making the agent better at your specific tasks and environment.
Persistent memory across sessions — remembers who you are, your preferences, environment details, and lessons learned. Pluggable memory backends (built-in, Honcho, Mem0, and more) let you choose how memory works.
Multi-platform gateway — the same agent runs on Telegram, Discord, Slack, WhatsApp, iMessage, Signal, Matrix, Teams, Email, and a dozen more platforms with full tool access, not just chat.
Many surfaces — the same agent core drives the CLI, the Ink TUI, a native Electron desktop app, a web dashboard, and an ACP server for IDEs (VS Code / Zed / JetBrains).
Provider-agnostic — swap models and providers mid-workflow without changing anything else. Credential pools rotate across multiple API keys automatically.
Profiles — run multiple independent Hermes instances with isolated configs, sessions, skills, and memory.
Extensible — plugins, MCP servers, custom tools, webhook triggers, cron scheduling, and the full Python ecosystem.

People use Hermes for software development, research, system administration, data analysis, content creation, home automation, and anything else that benefits from an AI agent with persistent context and full system access.

This skill helps you work with Hermes Agent effectively — setting it up, configuring features, spawning additional agent instances, troubleshooting issues, finding the right commands and settings, and understanding how the system works when you need to extend or contribute to it.

Docs: https://hermes-agent.nousresearch.com/docs/

Scope & Verification

This skill is a concise operating guide, not the complete source of truth for every Hermes feature. If a Hermes feature, command, or setting is not mentioned here, do not treat that absence as evidence that it does not exist. Check the live repository and official docs before giving a negative answer.

Good verification targets:

CLI commands: hermes --help, hermes <command> --help, and hermes_cli/main.py
User documentation: https://hermes-agent.nousresearch.com/docs/
Source tree: https://github.com/NousResearch/hermes-agent

Quick Start

# Install (shell installer — sets up uv, Python, the venv, and the launcher)
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash

# Or via PyPI (ships the TUI bundle + shell launcher)
pip install hermes-agent       # or: uv pip install hermes-agent

# Interactive chat (default surface; set display.interface: tui to launch the Ink TUI instead)
hermes

# Single query
hermes chat -q "What is the capital of France?"

# Setup wizard  /  pick model+provider  /  health check
hermes setup
hermes model
hermes doctor

# Other surfaces
hermes desktop                 # launch the native desktop app (alias: hermes gui)
hermes dashboard               # web admin panel + embedded chat
hermes proxy                   # OpenAI-compatible local proxy backed by your OAuth provider

CLI Reference

Global Flags

hermes [flags] [command]

  --version, -V             Show version
  --resume, -r SESSION      Resume session by ID or title
  --continue, -c [NAME]     Resume by name, or most recent session
  --worktree, -w            Isolated git worktree mode (parallel agents)
  --skills, -s SKILL        Preload skills (comma-separate or repeat)
  --profile, -p NAME        Use a named profile
  --yolo                    Skip dangerous command approval
  --pass-session-id         Include session ID in system prompt

No subcommand defaults to chat.

Chat

hermes chat [flags]
  -q, --query TEXT          Single query, non-interactive
  -m, --model MODEL         Model (e.g. anthropic/claude-sonnet-4)
  -t, --toolsets LIST       Comma-separated toolsets
  --provider PROVIDER       Force provider (openrouter, anthropic, nous, etc.)
  -v, --verbose             Verbose output
  -Q, --quiet               Suppress banner, spinner, tool previews
  --checkpoints             Enable filesystem checkpoints (/rollback)
  --source TAG              Session source tag (default: cli)

Configuration

hermes setup [section]      Interactive wizard (model|terminal|gateway|tools|agent)
hermes model                Interactive model/provider picker
hermes config               View current config
hermes config edit          Open config.yaml in $EDITOR
hermes config set KEY VAL   Set a config value
hermes config path          Print config.yaml path
hermes config env-path      Print .env path
hermes config check         Check for missing/outdated config
hermes config migrate       Update config with new options
hermes doctor [--fix]       Check dependencies and config
hermes status [--all]       Show component status

Credentials (OAuth + API keys, with pooling) are managed under hermes auth — see the Credentials & Pools section below.

Tools & Skills

hermes tools                Interactive tool enable/disable (curses UI)
hermes tools list           Show all tools and status
hermes tools enable NAME    Enable a toolset
hermes tools disable NAME   Disable a toolset

hermes skills list          List installed skills
hermes skills search QUERY  Search the skills hub
hermes skills install ID    Install a skill (ID can be a hub identifier OR a direct https://…/SKILL.md URL; pass --name to override when frontmatter has no name)
hermes skills inspect ID    Preview without installing
hermes skills config        Enable/disable skills per platform
hermes skills check         Check for updates
hermes skills update        Update outdated skills
hermes skills uninstall N   Remove a hub skill
hermes skills publish PATH  Publish to registry
hermes skills browse        Browse all available skills
hermes skills tap add REPO  Add a GitHub repo as skill source

MCP Servers

hermes mcp serve            Run Hermes as an MCP server
hermes mcp add NAME         Add an MCP server (--url or --command)
hermes mcp remove NAME      Remove an MCP server
hermes mcp list             List configured servers
hermes mcp test NAME        Test connection
hermes mcp configure NAME   Toggle tool selection

How the built-in MCP client connects servers (stdio/HTTP), auto-discovers their tools, and exposes them as first-class tools, plus catalog install (hermes mcp install <name>): skill_view(name="hermes-agent", file_path="references/native-mcp.md").

Gateway (Messaging Platforms)

hermes gateway run          Start gateway foreground
hermes gateway install      Install as background service
hermes gateway start/stop   Control the service
hermes gateway restart      Restart the service
hermes gateway status       Check status
hermes gateway setup        Configure platforms

Supported platforms (20+): Telegram, Discord, Slack, WhatsApp (Baileys bridge + official Business Cloud API), iMessage (Photon — hermes photon setup, the BlueBubbles successor with no Mac relay), Signal, Email, SMS, Matrix, Mattermost, Microsoft Teams, LINE, SimpleX, ntfy, Google Chat, Home Assistant, DingTalk, Feishu, WeCom, Weixin (WeChat), Raft (agent network), API Server, Webhooks. Open WebUI connects via the API Server adapter. Most adapters ship under plugins/platforms/, so new ones drop in without touching core.

Platform docs: https://hermes-agent.nousresearch.com/docs/user-guide/messaging/

Sessions

hermes sessions list        List recent sessions
hermes sessions browse      Interactive picker
hermes sessions export OUT  Export to JSONL
hermes sessions rename ID T Rename a session
hermes sessions delete ID   Delete a session
hermes sessions prune       Clean up old sessions (--older-than N days)
hermes sessions stats       Session store statistics

Cron Jobs

hermes cron list            List jobs (--all for disabled)
hermes cron create SCHED    Create: '30m', 'every 2h', '0 9 * * *'
hermes cron edit ID         Edit schedule, prompt, delivery
hermes cron pause/resume ID Control job state
hermes cron run ID          Trigger on next tick
hermes cron remove ID       Delete a job
hermes cron status          Scheduler status

Webhooks

hermes webhook subscribe N  Create route at /webhooks/<name>
hermes webhook list         List subscriptions
hermes webhook remove NAME  Remove a subscription
hermes webhook test NAME    Send a test POST

Full setup, route config, payload templating, and event-driven agent-run patterns: skill_view(name="hermes-agent", file_path="references/webhooks.md").

Profiles

hermes profile list         List all profiles
hermes profile create NAME  Create (--clone, --clone-all, --clone-from)
hermes profile use NAME     Set sticky default
hermes profile delete NAME  Delete a profile
hermes profile show NAME    Show details
hermes profile alias NAME   Manage wrapper scripts
hermes profile rename A B   Rename a profile
hermes profile export NAME  Export to tar.gz
hermes profile import FILE  Import from archive

Credentials & Pools

hermes auth                 Interactive credential manager
hermes auth add [PROVIDER]  Add OAuth or API-key credential
                            (e.g. nous, openai-codex, qwen-oauth, anthropic)
hermes auth list [PROVIDER] List pooled credentials
hermes auth remove P INDEX  Remove by provider + index
hermes auth reset PROVIDER  Clear exhaustion status

Multiple credentials per provider form a pool that rotates automatically and skips exhausted keys.

Other

hermes insights [--days N]  Usage analytics
hermes update               Update to latest version
hermes desktop / gui        Launch the native desktop app
hermes dashboard            Web admin panel + embedded chat
hermes proxy                OpenAI-compatible local proxy backed by an OAuth provider
hermes portal               Quick setup / sign in via Nous Portal
hermes kanban <verb>        Multi-agent work-queue board (init/create/list/show/assign/…)
hermes pairing list/approve/revoke  DM authorization
hermes plugins list/install/remove  Plugin management
hermes secrets bitwarden …  External secret store (Bitwarden Secrets Manager)
hermes memory setup/status/off  Memory provider config
hermes send                 Send a one-off message through a gateway platform
hermes completion bash|zsh  Shell completions
hermes acp                  ACP server (IDE integration)
hermes claw migrate         Migrate from OpenClaw
hermes uninstall            Uninstall Hermes

For the full, authoritative command list run hermes --help (and hermes <command> --help). Plugin- and provider-supplied subcommands (e.g. hermes photon setup for iMessage) only appear once their plugin is installed/active.

Slash Commands (In-Session)

Type these during an interactive chat session. New commands land fairly often; if something below looks stale, run /help in-session for the authoritative list or see the live slash commands reference. The registry of record is hermes_cli/commands.py — every consumer (autocomplete, Telegram menu, Slack mapping, /help) derives from it.

Session Control

/new (/reset)        Fresh session
/clear               Clear screen + new session (CLI)
/retry               Resend last message
/undo                Remove last exchange
/title [name]        Name the session
/compress            Manually compress context
/stop                Kill background processes
/rollback [N]        Restore filesystem checkpoint
/snapshot [sub]      Create or restore state snapshots of Hermes config/state (CLI)
/background <prompt> Run prompt in background
/queue <prompt>      Queue for next turn
/steer <prompt>      Inject a message after the next tool call without interrupting
/agents (/tasks)     Show active agents and running tasks
/resume [name]       Resume a named session
/goal [text|sub]     Set a standing goal Hermes works on across turns until achieved
                     (subcommands: status, pause, resume, clear)
/redraw              Force a full UI repaint (CLI)

Configuration

/config              Show config (CLI)
/model [name]        Show or change model
/personality [name]  Set personality
/reasoning [level]   Set reasoning (none|minimal|low|medium|high|xhigh|show|hide)
/verbose             Cycle: off → new → all → verbose
/voice [on|off|tts]  Voice mode
/yolo                Toggle approval bypass
/busy [sub]          Control what Enter does while Hermes is working (CLI)
                     (subcommands: queue, steer, interrupt, status)
/indicator [style]   Pick the TUI busy-indicator style (CLI)
                     (styles: kaomoji, emoji, unicode, ascii)
/footer [on|off]     Toggle gateway runtime-metadata footer on final replies
/skin [name]         Change theme (CLI)
/statusbar           Toggle status bar (CLI)

Tools & Skills

/tools               Manage tools (CLI)
/toolsets            List toolsets (CLI)
/skills              Search/install skills (CLI)
/skill <name>        Load a skill into session
/reload-skills       Re-scan ~/.hermes/skills/ for added/removed skills
/reload              Reload .env variables into the running session (CLI)
/reload-mcp          Reload MCP servers
/cron                Manage cron jobs (CLI)
/curator [sub]       Background skill maintenance (status, run, pin, archive, …)
/kanban [sub]        Multi-profile collaboration board (tasks, links, comments)
/plugins             List plugins (CLI)

Gateway

/approve             Approve a pending command (gateway)
/deny                Deny a pending command (gateway)
/restart             Restart gateway (gateway)
/sethome             Set current chat as home channel (gateway)
/update              Update Hermes to latest (gateway)
/topic [sub]         Enable or inspect Telegram DM topic sessions (gateway)
/platforms (/gateway) Show platform connection status (gateway)

Utility

/branch (/fork)      Branch the current session
/handoff <platform>  Hand the live session off to a messaging platform (CLI)
/fast                Toggle priority/fast processing
/browser             Open CDP browser connection
/history             Show conversation history (CLI)
/save                Save conversation to file (CLI)
/copy [N]            Copy the last assistant response to clipboard (CLI)
/paste               Attach clipboard image (CLI)
/image               Attach local image file (CLI)

Info

/help                Show commands
/commands [page]     Browse all commands (gateway)
/usage               Token usage
/insights [days]     Usage analytics
/status              Session info (gateway)
/profile             Active profile info
/debug               Upload debug report (system info + logs) and get shareable links

Exit

/quit (/exit, /q)    Exit CLI

Key Paths & Config

~/.hermes/config.yaml       Main configuration
~/.hermes/.env              API keys and secrets (under $HERMES_HOME if set)
$HERMES_HOME/skills/        Installed skills
~/.hermes/sessions/         Gateway routing index, request dumps, *.jsonl transcripts (and optional per-session JSON snapshots when sessions.write_json_snapshots: true)
~/.hermes/state.db          Canonical session store (SQLite + FTS5)
~/.hermes/logs/             Gateway and error logs
~/.hermes/auth.json         OAuth tokens and credential pools
~/.hermes/hermes-agent/     Source code (if git-installed)

Profiles use ~/.hermes/profiles/<name>/ with the same layout.

Config Sections

Edit with hermes config edit or hermes config set section.key value.

Section	Key options
`model`	`default`, `provider`, `base_url`, `api_key`, `context_length`
`agent`	`max_turns` (90), `tool_use_enforcement`
`terminal`	`backend` (local/docker/ssh/modal), `cwd`, `timeout` (180)
`compression`	`enabled`, `threshold` (0.50), `target_ratio` (0.20)
`display`	`skin`, `interface` (cli/tui), `tool_progress`, `show_reasoning`, `show_cost`, `language`
`stt`	`enabled`, `provider` (local/groq/openai/mistral)
`tts`	`provider` (edge/elevenlabs/openai/minimax/mistral/neutts)
`memory`	`memory_enabled`, `user_profile_enabled`, `provider`
`security`	`tirith_enabled`, `website_blocklist`
`delegation`	`model`, `provider`, `base_url`, `api_key`, `max_iterations` (50), `reasoning_effort`
`checkpoints`	`enabled`, `max_snapshots` (50)
`curator`	`enabled`, `consolidate` (false — opt-in aux-model skill consolidation), `interval_hours`, `stale_after_days`

Full config reference: https://hermes-agent.nousresearch.com/docs/user-guide/configuration

Providers

20+ providers supported. Set via hermes model or hermes setup.

Provider	Auth	Key env var
OpenRouter	API key	`OPENROUTER_API_KEY`
Anthropic	API key	`ANTHROPIC_API_KEY`
Nous Portal	OAuth	`hermes auth`
OpenAI Codex	OAuth	`hermes auth`
GitHub Copilot	Token	`COPILOT_GITHUB_TOKEN`
Google Gemini	API key	`GOOGLE_API_KEY` or `GEMINI_API_KEY`
DeepSeek	API key	`DEEPSEEK_API_KEY`
xAI / Grok	API key	`XAI_API_KEY`
Hugging Face	Token	`HF_TOKEN`
Z.AI / GLM	API key	`GLM_API_KEY`
MiniMax	API key	`MINIMAX_API_KEY`
MiniMax CN	API key	`MINIMAX_CN_API_KEY`
Kimi / Moonshot	API key	`KIMI_API_KEY`
Alibaba / DashScope	API key	`DASHSCOPE_API_KEY`
Xiaomi MiMo	API key	`XIAOMI_API_KEY`
Kilo Code	API key	`KILOCODE_API_KEY`
OpenCode Zen	API key	`OPENCODE_ZEN_API_KEY`
OpenCode Go	API key	`OPENCODE_GO_API_KEY`
Qwen OAuth	OAuth	`hermes auth add qwen-oauth`
Custom endpoint	Config	`model.base_url` + `model.api_key` in config.yaml
GitHub Copilot ACP	External	`COPILOT_CLI_PATH` or Copilot CLI

Full provider docs: https://hermes-agent.nousresearch.com/docs/integrations/providers

Toolsets

Enable/disable via hermes tools (interactive) or hermes tools enable/disable NAME.

Toolset	What it provides
`web`	Web search and content extraction
`search`	Web search only (subset of `web`)
`browser`	Browser automation (Browserbase, Camofox, or local Chromium)
`terminal`	Shell commands and process management
`file`	File read/write/search/patch
`code_execution`	Sandboxed Python execution
`vision`	Image analysis
`image_gen`	AI image generation and image-to-image editing
`video`	Video analysis (`video_analyze`) and generation
`x_search`	First-class X (Twitter) search (X OAuth or API key)
`tts`	Text-to-speech
`skills`	Skill browsing and management
`memory`	Persistent cross-session memory
`session_search`	Search past conversations
`delegation`	Subagent task delegation
`cronjob`	Scheduled task management
`clarify`	Ask user clarifying questions
`messaging`	Cross-platform message sending
`todo`	In-session task planning and tracking
`kanban`	Multi-agent work-queue tools (gated to workers)
`debugging`	Extra introspection/debug tools (off by default)
`safe`	Minimal, low-risk toolset for locked-down sessions
`spotify`	Spotify playback and playlist control
`homeassistant`	Smart home control (off by default)
`discord`	Discord integration tools
`discord_admin`	Discord admin/moderation tools
`feishu_doc`	Feishu (Lark) document tools
`feishu_drive`	Feishu (Lark) drive tools
`yuanbao`	Yuanbao integration tools
`rl`	Reinforcement learning tools (off by default)

Full enumeration lives in toolsets.py as the TOOLSETS dict; _HERMES_CORE_TOOLS is the default bundle most platforms inherit from.

Tool changes take effect on /reset (new session). They do NOT apply mid-conversation to preserve prompt caching.

Project Context Files

Hermes injects project-level instructions into the system prompt by reading context files from the working directory. The discovery order is first match wins — only one project context source is loaded per session.

File (in priority order)	Discovery	Use when
`.hermes.md` / `HERMES.md`	Walks parents up to the git root, stops at git root	You want hierarchical project rules (root + per-package overrides)
`AGENTS.md` / `agents.md`	Cwd only — subdirectory and parent copies are ignored	You want portable agent instructions that work the same in Hermes, Claude Code, Codex, etc.
`CLAUDE.md` / `claude.md`	Cwd only	Same as AGENTS.md, Claude-flavored
`.cursorrules` / `.cursor/rules/*.mdc`	Cwd only	Migrating from Cursor

SOUL.md (in $HERMES_HOME) is independent and always loaded when present — it sets the agent's identity, not project rules.

Pick the right one

Use .hermes.md when you want Hermes-specific behavior that lives above the cwd (root + subtree), or when you want rules to inherit from a parent directory. The parent walk stops at the git root, so a home-level .hermes.md won't leak into every project (a git repo's root is the boundary).
Use AGENTS.md when the same project will also be worked on by other agents (Codex, Claude Code, OpenCode). Those tools all have their own conventions for AGENTS.md, and the "cwd only" contract keeps the file portable.
Don't put project rules in ~/.hermes/AGENTS.md (or any other home-level location). When Hermes runs with that directory as cwd, the file loads — but only for that one directory. For cross-project context, use SOUL.md (in $HERMES_HOME, identity-only) or install a skill via hermes skills install.

Size and truncation

Each context file is capped at 20,000 characters. Files longer than that get head + tail truncated (the middle is dropped, with a [...truncated...] marker). For large project rules, prefer splitting into multiple skills over cramming one file.

Security

All context files pass through the threat-pattern scanner before reaching the system prompt. Patterns matching prompt injection or promptware are replaced with a [BLOCKED: ...] placeholder. This means an AGENTS.md containing obvious injection attempts won't reach the model — the scanner blocks the content, not the file, so the rest of the file still loads.

Disable for one session

hermes --ignore-rules skips auto-injection of all project context files (.hermes.md, AGENTS.md, CLAUDE.md, .cursorrules) and SOUL.md identity, plus user config, plugins, and MCP servers. Use it to isolate whether a problem is your setup or Hermes itself.

Example: a small `.hermes.md`

# My Project

Hermes: when working in this repo, follow these rules.

## Build
- Always run `make test` before declaring a change done.
- Use `uv run` for Python, not `pip install`.

## Style
- Prefer `pathlib.Path` over `os.path`.
- No `print()` in production code — use the `logger`.

That file at /home/me/projects/myrepo/.hermes.md is auto-loaded when Hermes runs in any subdirectory of /home/me/projects/myrepo, but not when it runs in /home/me/other-project.

Security & Privacy Toggles

Common "why is Hermes doing X to my output / tool calls / commands?" toggles — and the exact commands to change them. Most of these need a fresh session (/reset in chat, or start a new hermes invocation) because they're read once at startup.

Secret redaction in tool output

Secret redaction is on by default — tool output (terminal stdout, read_file, web content, subagent summaries, etc.) is scanned for strings that look like API keys, tokens, and secrets before it enters the conversation context and logs. Leave it enabled for normal use:

hermes config set security.redact_secrets true       # keep enabled globally

Restart required. security.redact_secrets is snapshotted at import time — toggling it mid-session (e.g. via export HERMES_REDACT_SECRETS=false from a tool call) will NOT take effect for the running process. Tell the user to change it in config from a terminal, then start a new session. This is deliberate — it prevents an LLM from flipping the toggle on itself mid-task.

Disable only when you deliberately need raw credential-like strings for debugging or redactor development:

hermes config set security.redact_secrets false

PII redaction in gateway messages

Separate from secret redaction. When enabled, the gateway hashes user IDs and strips phone numbers from the session context before it reaches the model:

hermes config set privacy.redact_pii true    # enable
hermes config set privacy.redact_pii false   # disable (default)

Command approval prompts

By default (approvals.mode: manual), Hermes prompts the user before running shell commands flagged as destructive (rm -rf, git reset --hard, etc.). The modes are:

manual — always prompt (default)
smart — use an auxiliary LLM to auto-approve low-risk commands, prompt on high-risk
off — skip all approval prompts (equivalent to --yolo)

hermes config set approvals.mode smart       # recommended middle ground
hermes config set approvals.mode off         # bypass everything (not recommended)

Per-invocation bypass without changing config:

hermes --yolo …
export HERMES_YOLO_MODE=1

Note: YOLO / approvals.mode: off does NOT turn off secret redaction. They are independent.

Shell hooks allowlist

Some shell-hook integrations require explicit allowlisting before they fire. Managed via ~/.hermes/shell-hooks-allowlist.json — prompted interactively the first time a hook wants to run.

Disabling the web/browser/image-gen tools

To keep the model away from network or media tools entirely, open hermes tools and toggle per-platform. Takes effect on next session (/reset). See the Tools & Skills section above.

Voice & Transcription

STT (Voice → Text)

Voice messages from messaging platforms are auto-transcribed.

Provider priority (auto-detected):

Local faster-whisper — free, no API key: pip install faster-whisper
Groq Whisper — free tier: set GROQ_API_KEY
OpenAI Whisper — paid: set VOICE_TOOLS_OPENAI_KEY
Mistral Voxtral — set MISTRAL_API_KEY

Config:

stt:
  enabled: true
  provider: local        # local, groq, openai, mistral
  local:
    model: base          # tiny, base, small, medium, large-v3

TTS (Text → Voice)

Provider	Env var	Free?
Edge TTS	None	Yes (default)
ElevenLabs	`ELEVENLABS_API_KEY`	Free tier
OpenAI	`VOICE_TOOLS_OPENAI_KEY`	Paid
MiniMax	`MINIMAX_API_KEY`	Paid
Mistral (Voxtral)	`MISTRAL_API_KEY`	Paid
NeuTTS (local)	None (`pip install neutts[all]` + `espeak-ng`)	Free

Voice commands: /voice on (voice-to-voice), /voice tts (always voice), /voice off.

Spawning Additional Hermes Instances

Run additional Hermes processes as fully independent subprocesses — separate sessions, tools, and environments.

When to Use This vs delegate_task

	`delegate_task`	Spawning `hermes` process
Isolation	Separate conversation, shared process	Fully independent process
Duration	Minutes (bounded by parent loop)	Hours/days
Tool access	Subset of parent's tools	Full tool access
Interactive	No	Yes (PTY mode)
Use case	Quick parallel subtasks	Long autonomous missions

One-Shot Mode

terminal(command="hermes chat -q 'Research GRPO papers and write summary to ~/research/grpo.md'", timeout=300)

# Background for long tasks:
terminal(command="hermes chat -q 'Set up CI/CD for ~/myapp'", background=true)

Interactive PTY Mode (via tmux)

Hermes uses prompt_toolkit, which requires a real terminal. Use tmux for interactive spawning:

# Start
terminal(command="tmux new-session -d -s agent1 -x 120 -y 40 'hermes'", timeout=10)

# Wait for startup, then send a message
terminal(command="sleep 8 && tmux send-keys -t agent1 'Build a FastAPI auth service' Enter", timeout=15)

# Read output
terminal(command="sleep 20 && tmux capture-pane -t agent1 -p", timeout=5)

# Send follow-up
terminal(command="tmux send-keys -t agent1 'Add rate limiting middleware' Enter", timeout=5)

# Exit
terminal(command="tmux send-keys -t agent1 '/exit' Enter && sleep 2 && tmux kill-session -t agent1", timeout=10)

Multi-Agent Coordination

# Agent A: backend
terminal(command="tmux new-session -d -s backend -x 120 -y 40 'hermes -w'", timeout=10)
terminal(command="sleep 8 && tmux send-keys -t backend 'Build REST API for user management' Enter", timeout=15)

# Agent B: frontend
terminal(command="tmux new-session -d -s frontend -x 120 -y 40 'hermes -w'", timeout=10)
terminal(command="sleep 8 && tmux send-keys -t frontend 'Build React dashboard for user management' Enter", timeout=15)

# Check progress, relay context between them
terminal(command="tmux capture-pane -t backend -p | tail -30", timeout=5)
terminal(command="tmux send-keys -t frontend 'Here is the API schema from the backend agent: ...' Enter", timeout=5)

Session Resume

# Resume most recent session
terminal(command="tmux new-session -d -s resumed 'hermes --continue'", timeout=10)

# Resume specific session
terminal(command="tmux new-session -d -s resumed 'hermes --resume 20260225_143052_a1b2c3'", timeout=10)

Tips

Prefer delegate_task for quick subtasks — less overhead than spawning a full process
Use -w (worktree mode) when spawning agents that edit code — prevents git conflicts
Set timeouts for one-shot mode — complex tasks can take 5-10 minutes
Use hermes chat -q for fire-and-forget — no PTY needed
Use tmux for interactive sessions — raw PTY mode has \r vs \n issues with prompt_toolkit
For scheduled tasks, use the cronjob tool instead of spawning — handles delivery and retry

Durable & Background Systems

Four systems run alongside the main conversation loop. Quick reference here; full developer notes live in AGENTS.md, user-facing docs under website/docs/user-guide/features/.

Delegation (`delegate_task`)

Spawn a subagent with an isolated context + terminal session.

Single: delegate_task(goal, context).
Batch: delegate_task(tasks=[{goal, ...}, ...]) runs children in parallel, capped by delegation.max_concurrent_children (default 3).
Background: delegate_task(background=true) returns a handle immediately and keeps the parent loop going; the child's result re-enters the conversation as a new turn when it finishes.
Roles: leaf (default; cannot re-delegate) vs orchestrator (can spawn its own workers, bounded by delegation.max_spawn_depth).
Not durable. A backgrounded child is still process-local — if the parent process exits, the child is lost. For work that must outlive the process, use cronjob or terminal(background=True, notify_on_complete=True).

Config: delegation.* in config.yaml.

Cron (scheduled jobs)

Durable scheduler — cron/jobs.py + cron/scheduler.py. Drive it via the cronjob tool, the hermes cron CLI (list, add, edit, pause, resume, run, remove), or the /cron slash command.

Schedules: duration ("30m", "2h"), "every" phrase ("every monday 9am"), 5-field cron ("0 9 * * *"), or ISO timestamp.
Per-job knobs: skills, model/provider override, script (pre-run data collection; no_agent=True makes the script the whole job), context_from (chain job A's output into job B), workdir (run in a specific dir with its AGENTS.md / CLAUDE.md loaded), multi-platform delivery.
Invariants: 3-minute hard interrupt per run, .tick.lock file prevents duplicate ticks across processes, cron sessions pass skip_memory=True by default, and cron deliveries are framed with a header/footer instead of being mirrored into the target gateway session (keeps role alternation intact).

User docs: https://hermes-agent.nousresearch.com/docs/user-guide/features/cron

Curator (skill lifecycle)

Background maintenance for agent-created skills. Tracks usage, marks idle skills stale, archives stale ones, keeps a pre-run tar.gz backup so nothing is lost.

CLI: hermes curator <verb> — status, run, pause, resume, pin, unpin, archive, restore, prune, backup, rollback.
Slash: /curator <subcommand> mirrors the CLI.
Scope: only touches skills with created_by: "agent" provenance. Bundled + hub-installed skills are off-limits. Never deletes — max destructive action is archive. Pinned skills are exempt from every auto-transition and every LLM review pass.
Cost: the deterministic inactivity/prune sweep runs for free. The aux-model "consolidate overlapping skills into umbrellas" pass is off by default — opt in with curator.consolidate: true or hermes curator run --consolidate. Routine background curation costs zero tokens.
Telemetry: sidecar at ~/.hermes/skills/.usage.json holds per-skill use_count, view_count, patch_count, last_activity_at, state, pinned.

Config: curator.* (enabled, interval_hours, min_idle_hours, stale_after_days, archive_after_days, backup.*). User docs: https://hermes-agent.nousresearch.com/docs/user-guide/features/curator

Kanban (multi-agent work queue)

Durable SQLite board for multi-profile / multi-worker collaboration. Users drive it via hermes kanban <verb>; dispatcher-spawned workers see a focused kanban_* toolset gated by HERMES_KANBAN_TASK, and orchestrator profiles can opt into the broader kanban toolset. Normal sessions still have zero kanban_* schema footprint unless configured.

CLI verbs (common): init, create, list (alias ls), show, assign, link, unlink, comment, complete, block, unblock, archive, tail. Less common: watch, stats, runs, log, dispatch, daemon, gc.
Worker/orchestrator toolset: kanban_show, kanban_complete, kanban_block, kanban_heartbeat, kanban_comment, kanban_create, kanban_link; profiles that explicitly enable the kanban toolset outside a dispatcher-spawned task also get kanban_list and kanban_unblock for board routing.
Dispatcher runs inside the gateway by default (kanban.dispatch_in_gateway: true) — reclaims stale claims, promotes ready tasks, atomically claims, spawns assigned profiles. Auto-blocks a task after failure_limit consecutive spawn failures (default 2; configurable via kanban.failure_limit or per-task max_retries).
Isolation: board is the hard boundary (workers get HERMES_KANBAN_BOARD pinned in env); tenant is a soft namespace within a board for workspace-path + memory-key isolation.

User docs: https://hermes-agent.nousresearch.com/docs/user-guide/features/kanban

Surfaces & Other Capabilities

Beyond the CLI and gateway, a few things worth knowing about:

Desktop app (hermes desktop / hermes gui) — native Electron app for macOS/Linux/Windows: streaming chat, session list, drag-and-drop + clipboard-paste files, Cmd+K palette, status-bar model picker, rebindable shortcuts, native notifications, live subagent watch-windows, VS Code Marketplace themes, and per-profile remote-gateway login (OAuth or username/password) so a thin local GUI can drive a heavy remote agent.
Web dashboard (hermes dashboard) — full admin panel: configure every messaging channel, the MCP catalog, webhooks/hooks, memory, and a complete profile builder (model + skills + MCPs) from the browser, plus an embedded hermes --tui chat. Secured behind an OAuth/token gate.
OpenAI-compatible proxy (hermes proxy) — exposes a http://localhost:port OpenAI API backed by whichever OAuth provider you're signed into (Claude Pro, ChatGPT Pro, SuperGrok). Point Codex CLI, Aider, Cline, Continue, or any script at it — no API key.
Automation Blueprints — pick a named automation and Hermes asks for what it needs (no cron syntax). One definition renders as a dashboard form, a slash command, an agent conversation, and a docs-catalog entry.
memory tool batch operations — pass an operations array of add/replace/remove edits applied atomically against the final character budget, so a single call can free space and add entries even when an add alone would overflow.
session_search — FTS5-backed, no aux-LLM, effectively free. One tool, three modes inferred from which args are set: discovery (query), scroll (session_id + around_message_id), browse (no args).
xAI Grok via SuperGrok OAuth — sign in with your xAI account (no API key); includes Cursor's grok-composer-2.5-fast coding model.

Windows-Specific Quirks

Hermes runs natively on Windows (PowerShell, cmd, Windows Terminal, git-bash mintty, VS Code integrated terminal). Most of it just works, but a handful of differences between Win32 and POSIX have bitten us — document new ones here as you hit them so the next person (or the next session) doesn't rediscover them from scratch.

Input / Keybindings

Alt+Enter doesn't insert a newline — Windows Terminal (and mintty) grab it for fullscreen before prompt_toolkit sees it. Use Ctrl+Enter instead (the CLI binds it to newline on Windows; raw Ctrl+J does the same, harmlessly). To inspect how your terminal reports a keystroke, run python scripts/keystroke_diagnostic.py from the repo root.

Config / Files

HTTP 400 "No models provided" on first run — config.yaml was saved with a UTF-8 BOM (Notepad does this). Re-save as UTF-8 without BOM; hermes config edit writes correctly.

`execute_code` / Sandbox

WinError 10106 from the sandbox child process — it can't create an AF_INET socket. Root cause is usually Hermes's env scrubber dropping SYSTEMROOT/WINDIR/COMSPEC (Python's socket needs SYSTEMROOT to find mswsock.dll), not a broken Winsock LSP. The _WINDOWS_ESSENTIAL_ENV_VARS allowlist in tools/code_execution_tool.py covers it; if you still hit it, echo os.environ inside an execute_code block to confirm SYSTEMROOT is set.

Testing on Windows

scripts/run_tests.sh is POSIX-only (expects .venv/bin/activate); the Hermes-installed venv/Scripts/ has no pip/pytest (stripped for size). Install pytest into a system Python and run directly with -n 0 (pyproject.toml's addopts already sets -n):

"/c/Program Files/Python311/python" -m pip install --user pytest pytest-xdist pyyaml
export PYTHONPATH="$(pwd)"
"/c/Program Files/Python311/python" -m pytest tests/foo/test_bar.py -v --tb=short -n 0

(POSIX-only tests need skip guards — see the cross-platform guard list in the Contributor section below.)

Path / Filesystem

Line endings. Git may warn LF will be replaced by CRLF. Cosmetic — the repo's .gitattributes normalizes. Don't let editors auto-convert committed POSIX-newline files to CRLF.

Forward slashes work almost everywhere. C:/Users/... is accepted by every Hermes tool and most Windows APIs. Prefer forward slashes in code and logs — avoids shell-escaping backslashes in bash.

Troubleshooting

Voice not working

Check stt.enabled: true in config.yaml
Verify provider: pip install faster-whisper or set API key
In gateway: /restart. In CLI: exit and relaunch.

Tool not available

hermes tools — check if toolset is enabled for your platform
Some tools need env vars (check .env)
/reset after enabling tools

Model/provider issues

hermes doctor — check config and dependencies
hermes auth — re-authenticate OAuth providers (or hermes auth add <provider>)
Check .env has the right API key
Copilot 403: gh auth login tokens do NOT work for Copilot API. You must use the Copilot-specific OAuth device code flow via hermes model → GitHub Copilot.

Changes not taking effect

Tools/skills: /reset starts a new session with updated toolset
Config changes: In gateway: /restart. In CLI: exit and relaunch.
Code changes: Restart the CLI or gateway process

Skills not showing

hermes skills list — verify installed
hermes skills config — check platform enablement
Load explicitly: /skill name or hermes -s name

Gateway issues

Check logs first:

grep -i "failed to send\|error" ~/.hermes/logs/gateway.log | tail -20

Common gateway problems:

Gateway dies on SSH logout: Enable linger: sudo loginctl enable-linger $USER
Gateway dies on WSL2 close: WSL2 requires systemd=true in /etc/wsl.conf for systemd services to work. Without it, gateway falls back to nohup (dies when session closes).
Gateway crash loop: Reset the failed state: systemctl --user reset-failed hermes-gateway

Platform-specific issues

Discord bot silent: Must enable Message Content Intent in Bot → Privileged Gateway Intents.
Slack bot only works in DMs: Must subscribe to message.channels event. Without it, the bot ignores public channels.
Windows-specific issues (Alt+Enter newline, WinError 10106, UTF-8 BOM config, test suite, line endings): see the dedicated Windows-Specific Quirks section above.

Auxiliary models not working

If auxiliary tasks (vision, compression, session_search) fail silently, the auto provider can't find a backend. Either set OPENROUTER_API_KEY or GOOGLE_API_KEY, or explicitly configure each auxiliary task's provider:

hermes config set auxiliary.vision.provider <your_provider>
hermes config set auxiliary.vision.model <model_name>

Where to Find Things

Looking for...	Location
Config options	`hermes config edit` or Configuration docs
Available tools	`hermes tools list` or Tools reference
Slash commands	`/help` in session or Slash commands reference
Skills catalog	`hermes skills browse` or Skills catalog
Provider setup	`hermes model` or Providers guide
Platform setup	`hermes gateway setup` or Messaging docs
MCP servers	`hermes mcp list` or MCP guide
Profiles	`hermes profile list` or Profiles docs
Cron jobs	`hermes cron list` or Cron docs
Memory	`hermes memory status` or Memory docs
Env variables	`hermes config env-path` or Env vars reference
CLI commands	`hermes --help` or CLI reference
Gateway logs	`~/.hermes/logs/gateway.log`
Session files	`hermes sessions browse` (reads state.db)
Source code	`~/.hermes/hermes-agent/`

Contributor Quick Reference

For occasional contributors and PR authors. Full developer docs: https://hermes-agent.nousresearch.com/docs/developer-guide/

Project Layout

hermes-agent/
├── run_agent.py          # AIAgent — core conversation loop
├── model_tools.py        # Tool discovery and dispatch
├── toolsets.py           # Toolset definitions
├── cli.py                # Interactive CLI (HermesCLI)
├── hermes_state.py       # SQLite session store
├── agent/                # Prompt builder, context compression, memory, model routing, credential pooling, skill dispatch
├── hermes_cli/           # CLI subcommands, config, setup, commands
│   ├── commands.py       # Slash command registry (CommandDef)
│   ├── config.py         # DEFAULT_CONFIG, env var definitions
│   └── main.py           # CLI entry point and argparse
├── tools/                # One file per tool
│   └── registry.py       # Central tool registry
├── gateway/              # Messaging gateway
│   └── platforms/        # Platform adapters (telegram, discord, etc.)
├── cron/                 # Job scheduler
├── tests/                # Extensive pytest suite (run via scripts/run_tests.sh)
└── website/              # Docusaurus docs site

Config: ~/.hermes/config.yaml (settings), ~/.hermes/.env (API keys) — both under $HERMES_HOME when it is set.

Adding a Tool

Two files. Auto-discovery imports any tools/*.py with a top-level registry.register() call, but a tool is only exposed to an agent once its name appears in a toolset.

1. Create tools/your_tool.py:

import json, os
from tools.registry import registry

def check_requirements() -> bool:
    return bool(os.getenv("EXAMPLE_API_KEY"))

def example_tool(param: str, task_id: str = None) -> str:
    return json.dumps({"success": True, "data": "..."})

registry.register(
    name="example_tool",
    toolset="example",
    schema={"name": "example_tool", "description": "...", "parameters": {...}},
    handler=lambda args, **kw: example_tool(
        param=args.get("param", ""), task_id=kw.get("task_id")),
    check_fn=check_requirements,
    requires_env=["EXAMPLE_API_KEY"],
)

2. Wire it into a toolset in toolsets.py — add the name to _HERMES_CORE_TOOLS (every platform) or to a specific toolset.

All handlers must return JSON strings. Use get_hermes_home() for paths, never hardcode ~/.hermes. For custom/local-only tools, write a plugin in ~/.hermes/plugins/ instead of editing core — see the developer docs.

Adding a Slash Command

Add CommandDef to COMMAND_REGISTRY in hermes_cli/commands.py
Add handler in cli.py → process_command()
(Optional) Add gateway handler in gateway/run.py

All consumers (help text, autocomplete, Telegram menu, Slack mapping) derive from the central registry automatically.

Agent Loop (High Level)

run_conversation():
  1. Build system prompt
  2. Loop while iterations < max:
     a. Call LLM (OpenAI-format messages + tool schemas)
     b. If tool_calls → dispatch each via handle_function_call() → append results → continue
     c. If text response → return
  3. Context compression triggers automatically near token limit

Testing

Use the canonical runner — it enforces CI-parity (hermetic env, unset credentials, TZ=UTC, xdist workers, per-test subprocess isolation):

scripts/run_tests.sh                          # full suite
scripts/run_tests.sh tests/tools/             # one directory
scripts/run_tests.sh tests/tools/test_x.py    # one file
scripts/run_tests.sh -v --tb=long             # pass-through pytest flags

Tests auto-redirect HERMES_HOME to temp dirs — never touch real ~/.hermes/.
The script probes .venv, then venv, then the shared worktree venv.
Windows: the wrapper is POSIX-only; see the Windows-Specific Quirks section above for the direct-pytest workaround.

Cross-platform test guards: tests using POSIX-only syscalls need a skip marker. Common ones already in the codebase:

Symlink creation → @pytest.mark.skipif(sys.platform == "win32", reason="Symlinks require elevated privileges on Windows") (see tests/cron/test_cron_script.py)
POSIX file modes (0o600, etc.) → @pytest.mark.skipif(sys.platform.startswith("win"), reason="POSIX mode bits not enforced on Windows") (see tests/hermes_cli/test_auth_toctou_file_modes.py)
signal.SIGALRM → Unix-only (see tests/conftest.py::_enforce_test_timeout)
Live Winsock / Windows-specific regression tests → @pytest.mark.skipif(sys.platform != "win32", reason="Windows-specific regression")

Monkeypatching sys.platform is not enough when the code under test also calls platform.system() / platform.release() / platform.mac_ver(). Those functions re-read the real OS independently, so a test that sets sys.platform = "linux" on a Windows runner will still see platform.system() == "Windows" and route through the Windows branch. Patch all three together:

monkeypatch.setattr(sys, "platform", "linux")
monkeypatch.setattr(platform, "system", lambda: "Linux")
monkeypatch.setattr(platform, "release", lambda: "6.8.0-generic")

See tests/agent/test_prompt_builder.py::TestEnvironmentHints for a worked example.

System prompt's execution-environment block

Factual host/backend guidance (OS, $HOME, cwd, terminal backend, shell) is emitted by agent/prompt_builder.py::build_environment_hints(). The key invariant for prompt authors: with a remote terminal backend (docker, singularity, modal, daytona, ssh, managed_modal), host info is suppressed and every file tool runs inside the backend container — the prompt must never describe the host the agent can't touch.

Commit Conventions

type: concise subject line

Optional body.

Types: fix:, feat:, refactor:, docs:, chore:

Key Rules

Never break prompt caching — don't change context, tools, or system prompt mid-conversation
Message role alternation — never two assistant or two user messages in a row
Use get_hermes_home() from hermes_constants for all paths (profile-safe)
Config values go in config.yaml, secrets go in .env
New tools need a check_fn so they only appear when requirements are met

50 KiB Raw Permalink Blame History

Hermes Agent

Scope & Verification

Quick Start

CLI Reference

Global Flags

Chat

Configuration

Tools & Skills

MCP Servers

Gateway (Messaging Platforms)

Sessions

Cron Jobs

Webhooks

Profiles

Credentials & Pools

Other

Slash Commands (In-Session)

Session Control

Configuration

Tools & Skills

Gateway

Utility

Info

Exit

Key Paths & Config

Config Sections

Providers

Toolsets

Project Context Files

Pick the right one

Size and truncation

Security

Disable for one session

Example: a small .hermes.md

Security & Privacy Toggles

Secret redaction in tool output

PII redaction in gateway messages

Command approval prompts

Shell hooks allowlist

Disabling the web/browser/image-gen tools

Voice & Transcription

STT (Voice → Text)

TTS (Text → Voice)

Spawning Additional Hermes Instances

When to Use This vs delegate_task

One-Shot Mode

Interactive PTY Mode (via tmux)

Multi-Agent Coordination

Session Resume

Tips

Durable & Background Systems

Delegation (delegate_task)

Cron (scheduled jobs)

Curator (skill lifecycle)

Kanban (multi-agent work queue)

Surfaces & Other Capabilities

Windows-Specific Quirks

Input / Keybindings

Config / Files

execute_code / Sandbox

Testing on Windows

Path / Filesystem

Troubleshooting

Voice not working

Tool not available

Model/provider issues

Changes not taking effect

Skills not showing

Gateway issues

Platform-specific issues

Auxiliary models not working

Where to Find Things

Contributor Quick Reference

Project Layout

Adding a Tool

Adding a Slash Command

Agent Loop (High Level)

Testing

System prompt's execution-environment block

50 KiB

Raw Permalink Blame History

Example: a small `.hermes.md`

Delegation (`delegate_task`)

`execute_code` / Sandbox