commentlettercheck for Claude.ai
com.edgethirteen.www/commentlettercheck
Look up whether a US ticker has SEC comment-letter correspondence on file.
client:Claude.ai
transport:streamable-http
Install commentlettercheck in Claude.ai
Settings → Connectors → Add custom connector
https://www.edgethirteen.com/api/mcp/commentlettercheck
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