Sigistry Plugin Catalog (formerly Claude Registry) for Claude.ai

com.clauderegistry/plugin-catalog

Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.

client:Claude.ai transport:streamable-http tools:8

Install Sigistry Plugin Catalog (formerly Claude Registry) in Claude.ai

Settings → Connectors → Add custom connector

https://clauderegistry.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

search_plugins
get_plugin
list_categories
search_skills
get_skill
list_scorecards
get_scorecard
verify_plugin

Sigistry Plugin Catalog (formerly Claude Registry) in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Sigistry Plugin Catalog (formerly Claude Registry) MCP server