docs: comprehensive README for super-search MCP

README.md

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+# Super Search MCP Server
+
+Unified web search + content extraction MCP server powering search across the IT Pro Partner ecosystem.
+
+- **Production version:** v2.3.0 (19 tools, deployed on Core :8899)
+- **Repo version:** v2.0.0 (10 tools — repo behind production)
+- **Systemd:** `super-search.service`
+- **Framework:** FastMCP 4.0+ (Streamable HTTP)
+- **MCP Endpoint:** `http://127.0.0.1:8899/mcp`
+
+## Backend Providers
+| Provider | Type |
+|----------|------|
+| SearXNG | Meta-search |
+| Exa | AI search + content extraction |
+| Brave | Web search |
+| Serper | Google SERP |
+| Tavily | AI research |
+| Perplexity | AI research |
+| DuckDuckGo | Web search |
+| Firecrawl | Web scraping |
+| OpenCorporates | Company search |
+| CourtListener | Legal search |
+| Wikipedia | Encyclopedia |
+
+## Tools (v2.3.0 — 19 total)
+Core: `web_search`, `web_extract`, `web_extract_document`, `web_extract_batch`, `web_search_premium`, `web_search_news`, `web_search_academic`, `web_search_images`, `web_suggest_queries`, `web_lookup`, `health_check`
+
+Advanced: `web_research_deep` (Exa Agent), `lockdown_mode`, provider-specific search variants, OSINT person search
+
+## Deployment
+- **Location:** Core (152.53.192.33) — `/root/docker/super-search/`
+- **Recovery:** `systemctl restart super-search`
+- **Dependencies:** SearXNG Docker container, provider API keys in `/root/.hermes/.env`
+- **Crawl4AI:** companion microservice on :8910 for JavaScript-rendered page extraction
+
+## ⚠️ Repo Staleness
+This repository contains v2.0.0 source. Production runs v2.3.0. The production source at `/root/docker/super-search/server.py` needs to be pushed to this repo.