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criba: who is calling your MCP server MCP

v0.1.0

com.cribalo/criba

Identify who calls your MCP server or A2A agent: declared identity vs observed behaviour.

transport:streamable-http tools:3

Target client

run in your project directory

claude mcp add --transport http criba https://criba.cribalo.com/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

identify_client

identify client

classify_visitor

classify visitor

list_known_bots Read-only

list known bots

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.