capabilities txt registry for Gemini CLI

io.github.capabilityhostprotocol/capabilities-txt-registry

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

client:Gemini CLI transport:streamable-http tools:3

Install capabilities txt registry in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "capabilities-txt-registry": {
      "httpUrl": "https://capabilitiestxt.org/api/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs