capabilities txt registry for Claude Code

io.github.capabilityhostprotocol/capabilities-txt-registry

Discover what websites across the agentic web can do — query the capabilities.txt registry.

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

Install capabilities txt registry in Claude Code

run in your project directory

claude mcp add --transport http capabilities-txt-registry https://capabilitiestxt.org/api/mcp

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