HISTOR — MCP tool-definition transparency log for Claude Code

io.github.alexar76/histor

Check, diff and history of MCP tool definitions, from a public signed log of 88k+ servers.

client:Claude Code transport:stdio runtime:pypi

Install HISTOR — MCP tool-definition transparency log in Claude Code

run in your project directory

claude mcp add histor -e HISTOR_MCP_REMOTE=<HISTOR_MCP_REMOTE> -- uvx aimarket-histor

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