Recon Knowledge

from Recon-Fuzz

Search Recon documentation, book, and newsletter for fuzzing, invariant testing, and Chimera framework knowledge

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@recon-fuzz-mcp/knowledge

MCP server that makes Recon documentation searchable by AI tools. Fetches and parses getrecon.xyz/llms-full.txt into structured, queryable content.

Tools

Site tools (getrecon.xyz)

Tool	Input	Returns
`search_glossary`	`query: string`	Top 5 matching glossary terms with definitions
`get_blog_post`	`slug: string`	Full post content + metadata + URL
`get_comparison`	`slug: string`	Both entities, strengths, conclusion, FAQs
`search_site`	`query: string`	Top 10 matches across site content
`list_tools`	(none)	Developer tools with descriptions + URLs

Book tools (book.getrecon.xyz)

Tool	Input	Returns
`get_book_chapter`	`slug: string`	Full chapter content, category, URL
`get_book_concept`	`slug: string`	Technical concept explanation
`search_book`	`query: string`	Top 10 matches across book content
`list_book_chapters`	(none)	All chapters grouped by category

Substack tools (getrecon.substack.com)

Tool	Input	Returns
`get_substack_post`	`slug: string`	Full newsletter post content
`search_substack`	`query: string`	Top 10 matches across Substack posts
`list_substack_posts`	(none)	All posts sorted by date

Cross-source

Tool	Input	Returns
`search_all`	`query: string`	Top 15 matches across all 3 sources
`refresh_cache`	(none)	Re-fetch all sources (rate limited to 1/min)

Local development

git clone https://github.com/Recon-Fuzz/recon-mcp-knowledge.git
cd recon-mcp-knowledge
npm install
npm run build

Test it works

# List tools
echo '{"jsonrpc":"2.0","method":"tools/list","id":1}' | node dist/index.js

# Search for chimera content
echo '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"search_site","arguments":{"query":"chimera"}},"id":2}' | node dist/index.js

Architecture

Fetches llms-full.txt once on startup, caches in memory
Cache refreshes every 24h automatically or on manual refresh_cache
Parser splits by --- dividers, extracts blog posts, glossary, comparisons, tools
Search uses case-insensitive term matching with word-boundary scoring
No database, no external search library, no filesystem writes

Privacy

This server is read-only. It fetches from a single hardcoded public URL (getrecon.xyz/llms-full.txt). No user queries, tool arguments, or any data is sent to Recon or any third party.

Copy & paste — that's it

claude mcp add recon-knowledge -- npx @recon-fuzz-mcp/knowledge

Installation

Claude Code

claude mcp add recon-knowledge -- npx @recon-fuzz-mcp/knowledge

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "recon-knowledge": {
      "command": "npx",
      "args": ["@recon-fuzz-mcp/knowledge"]
    }
  }
}

Cursor

Add to .cursor/mcp.json in your project:

{
  "mcpServers": {
    "recon-knowledge": {
      "command": "npx",
      "args": ["@recon-fuzz-mcp/knowledge"]
    }
  }
}

No API key needed. The server fetches public documentation only.