What tools does the capabilities-txt-registry MCP server provide?

capabilities-txt-registry exposes 3 tools: discover_capabilities, get_site, list_sites. This list was returned by the running server when we connected to it.

Does capabilities-txt-registry require an API key?

No. capabilities-txt-registry answered a tools/list request without credentials.

How do I install capabilities-txt-registry?

Run: claude mcp add --transport http capabilities-txt-registry https://capabilitiestxt.org/api/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 27h ago

capabilities-txt-registry

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

Browser automation Web search & scraping Databases & SQL

Install

Remote (HTTP)

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

Tools 3

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 27h ago

Tools & capabilities

3 tools

Read from the running server on 27h ago.

discover_capabilities query*

Search the capabilities.txt registry for sites that can do something — by capability id, keyword, or category. Returns matching capabilities with the site that offers them and its…

get_site domain*

Get the full list of capabilities a site declares, by domain.

list_sites

List every site that publishes a conformant capabilities.txt, with its grade and capability count.