# Rockmoon

> Rockmoon is an MCP-native financial data service for AI agents: fundamental
> data for 30,000+ listed companies across the US, Japan and Korea, with
> history back to 2009, extracted from regulator XBRL filings (SEC EDGAR,
> EDINET, DART). Every value is traceable to the exact fact in the original
> filing. Works with Claude Code, Claude Desktop, Cursor, Cline, or any MCP
> client.

Key facts:
- Coverage: US (SEC EDGAR, 2009–present), Japan (EDINET), Korea (DART) — one
  80-field canonical schema across all three markets.
- Data: income statements, balance sheets, cash flows (quarterly + annual),
  business/geographic segments, US insider trades (Form 3/4/5, updated daily),
  institutional holdings (13F), major shareholders. Cross-market stock
  screening by PE / PB / ROE / margins / market cap (18 MCP tools total).
- Auditability: every number maps back to its source XBRL fact; the public
  trace explorer at https://api.rockmoon.ai/trace shows the original filing
  with the fact highlighted.
- Pricing: free tier (financial statements, 50 requests/day). Full access
  $9.90/month early bird (60 requests/min, 2,000/day). Unlimited/REST by
  request: support@rockmoon.ai.
- Connect (Claude Code): claude mcp add --transport http rockmoon
  https://mcp.rockmoon.ai/mcp --header "Authorization: Bearer YOUR_KEY"

## Docs

- [MCP setup guide](https://api.rockmoon.ai/docs/mcp): connect any MCP client in two minutes
- [Financial statements API](https://api.rockmoon.ai/docs/financials/all): 80-field schema reference
- [Segments](https://api.rockmoon.ai/docs/segments/all): business/geographic/product breakdowns
- [Ownership](https://api.rockmoon.ai/docs/ownership/insider-trades): insider trades, 13F, major shareholders
- [Trace explorer](https://api.rockmoon.ai/trace): live demo — click any number, see the source filing

## Product

- [Pricing](https://api.rockmoon.ai/price)
- [Sign up](https://api.rockmoon.ai/login): free, no card required
- [Terms](https://api.rockmoon.ai/terms) · [Privacy](https://api.rockmoon.ai/privacy)
- Contact: support@rockmoon.ai