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MCP live MCP 2025-11-25 streamable-http

io.github.capabilityhostprotocol/capabilities-txt-registry

io.github.capabilityhostprotocol/capabilities-txt-registry

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

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
758ms
last probe
Tools
3
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://capabilitiestxt.org/api/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
3 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
3 items in total; 3 or more earns these points.
pass Describes itself 10/10
91 characters; more than 30 earns these points.

Tools · 3

discover_capabilities

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 conformance grade. T…

list_sites

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

get_site

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

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "io.github.capabilityhostprotocol/capabilities-txt-registry": {
      "url": "https://capabilitiestxt.org/api/mcp",
      "transport": "streamable-http"
    }
  }
}