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Verified official

US Codex MCP

v1.0.0

org.uscodex/uscodex

Federal law: US Code, CFR, public laws, bills and executive orders, cross-linked and versioned.

transport:streamable-http tools:5

Target client

run in your project directory

claude mcp add --transport http uscodex https://uscodex.org/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search Read-only

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fetch Read-only

fetch

citations

citations

history

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All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.