capabilities-txt-registry

Name: capabilities-txt-registry
Author: capabilityhostprotocol

MCP serverMCP

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

by capabilityhostprotocolrepository ↗homepage ↗v0.1.0

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This record is unclaimed

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability108/108 checks ok

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	176 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
9 h ago	mcp initialize	ok	200	169 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
16 h ago	mcp initialize	ok	200	155 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
23 h ago	mcp initialize	ok	200	197 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
29 h ago	mcp initialize	ok	200	232 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
35 h ago	mcp initialize	ok	200	166 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	160 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	211 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
2 d ago	mcp initialize	ok	200	163 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools
3 d ago	mcp initialize	ok	200	167 ms	server capabilities-txt-registry 0.1.0 · protocol 2025-06-18 · 3 tools

Tools observed via MCP handshake

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
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.

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryio.github.capabilityhostprotocol/capabilities-txt-registry

first seen 1 mo ago · fetched 3 d agoopen ↗

Field history (7 recent events)

1 mo ago · declared · summary → "Discover what websites across the agentic web can do — query the capabilities.txt registry."
1 mo ago · declared · description → "Discover what websites across the agentic web can do — query the capabilities.txt registry."
1 mo ago · declared · publisherName → "capabilityhostprotocol"
1 mo ago · declared · homepageUrl → "https://capabilitiestxt.org"
1 mo ago · declared · repoUrl → "https://github.com/capabilityhostprotocol/capabilities-txt"
1 mo ago · declared · version → "0.1.0"
1 mo ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from