Sigistry Plugin & Skill Catalog

Name: Sigistry Plugin & Skill Catalog
Author: com.sigistry

MCP serverMCP

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

by com.sigistryv1.5.0

Observed by Wellknown

Evidence

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

30-day availability1/1 checks ok

30 days agotoday

Endpoints

Registry facts

Not distributed through a package registry we index.

when	check	result	http	latency	detail
3 h ago	mcp initialize	ok	200	89 ms	server sigistry 1.5.0 · protocol 2025-06-18 · 6 tools

Tools observed via MCP handshake

search_plugins — Search the Sigistry marketplace of Claude Code plugins by keyword and/or category. Returns matches with their install command and verification status (the regis
get_plugin — Get the full details of a single Sigistry plugin by its id, including install commands, component counts, and its security-audit result (per-check pass/fail fro
list_categories — List the distinct plugin categories in the Sigistry marketplace with a count of plugins in each, plus the total plugin count.
search_skills — Search the Sigistry catalog of verified skills (SKILL.md instruction sets for AI agents) by keyword, optionally filtered to one parent plugin. Every skill passe
get_skill — Get one Sigistry skill by name, including the full raw SKILL.md source. The source is portable: it can be applied directly in any SKILL.md-aware agent (Claude C
verify_plugin — Get the recipe to run the Sigistry verification methodology (the eight static checks that gate the Verified badge: manifest integrity, hook safety, agent tool s

Declared by sources

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

summary ← Official MCP Registry

version ← Official MCP Registry

description ← Official MCP Registry

publisherName ← Official MCP Registry

Derived by Wellknown

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

Provenance

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

Official MCP Registrycom.sigistry/plugin-catalog

first seen 5 h ago · fetched 5 h agoopen ↗

Field history (5 recent events)

5 h ago · declared · summary → "Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only."
5 h ago · declared · description → "Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only."
5 h ago · declared · publisherName → "com.sigistry"
5 h ago · declared · version → "1.5.0"
5 h ago · declared · protocols → ["mcp"]