AnchorRegistry for Claude Code

io.github.anchorregistry/ar-mcp

On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.

client:Claude Code transport:streamable-http tools:3

Install AnchorRegistry in Claude Code

run in your project directory

claude mcp add --transport http ar-mcp https://mcp.anchorregistry.ai/mcp

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