com.sigistry/plugin-catalog

up checked 2026-11-11T06:38:28.032Z

Unclaimed · Unverified

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Publisher-provided title

Sigistry Plugin & Skill Catalog

Publisher-provided description

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

Summary by lookupd

Lets agents search and fetch Claude Code plugins, skills, and MCP server scorecards, plus security audit and verification info, read-only.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http plugin-catalog https://sigistry.com/mcp

Codex, remote (streamable-http)

codex mcp add plugin-catalog --url https://sigistry.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "plugin-catalog": {
      "url": "https://sigistry.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (9 tools)

Publisher-provided text

• 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
• list_scorecards List the public MCP servers Sigistry has independently graded against its scorecard rubric (transport, stateless core, lifecycle, authorization, tool design, se
• get_scorecard Get the full scorecard for one graded MCP server by its id: the overall grade, per-axis pass/partial/fail with cited evidence, hardening notes, the rubric versi
• 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
• check_mcp_app Get the Sigistry MCP App safety criteria to audit an MCP App (MCP Apps / SEP-1865: a tool that returns an interactive ui:// HTML resource the host renders in a

Details

• Version: 1.5.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 530 ms
• First indexed: 2026-11-01T08:58:14.669Z
• Last seen in registry: 2026-11-01T08:58:14.813Z

Badge for your README

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.sigistry/plugin-catalog.svg)](https://lookupd.com/servers/com.sigistry/plugin-catalog)

• 62071 servers
• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp