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mcp/harbor
Verified official

addrbook directory MCP

v0.1.0

com.addrbook/directory

Look up AI agents, MCP servers and x402 APIs: whether they answer, how they ask to be paid.

transport:streamable-http tools:3
Website

Target client

run in your project directory 

claude mcp add --transport http directory https://api.addrbook.com/v1/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

find_agents Read-only

find agents

get_agent Read-only

get agent

list_headings Read-only

list headings

All 3 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.