SEC API for Claude.ai
dev.sec-api/server
SEC EDGAR filings, XBRL financials, Form 4 insider trades and 13F holdings with source URLs.
client:Claude.ai
transport:streamable-http
Install SEC API in Claude.ai
Settings → Connectors → Add custom connector
https://sec-api.dev/api/mcpClaude 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