How do I get an API key?
Get a free API key from https://rockmoon.ai. One key works for both the MCP endpoint and the REST API.

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基本信息
Cross-market (US/JP/KR) financial data over MCP — financials, segments, ownership, valuation metrics & prices, every value traceable to its source filing. 18 tools; one API key works for both REST and MCP.
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"rockmoon": {
"type": "http",
"url": "https://mcp.rockmoon.ai/mcp",
"headers": {
"X-API-Key": "<YOUR_ROCKMOON_API_KEY>"
}
}
}
}Search companies by ticker or name across US/JP/KR/HK/CN/UK.
Get company facts (name, exchange, industry, regulator id, filings url).
Get all three financial statements (IS + BS + CF) for a ticker.
Get income statement (revenue, costs, margins, EPS).
Get balance sheet (assets, liabilities, equity).
Get cash flow statement (OCF, ICF, FCF, capex, dividends).
Get daily price history for a ticker.
Get reported business / geographic / product segments.
Get time-series of segment values across periods for trend analysis.
Get top shareholders (institutions + individuals).
Get director / officer shareholdings (insider equity stakes).
Get insider trading activity (US Form 4 filings).
Get institutional holders (US 13F filings).
Get large-holdings disclosure events (JP 350/360 reports).
Get latest valuation + financial metrics snapshot (PE, PB, ROE etc.).
Screen stocks across US/JP/KR/HK/CN by valuation + quality metrics (PE, PB, ROE, margins, market cap, dividend yield).
Get historical derived metrics (TTM aggregates + margins per period).
Compare valuation metrics across multiple tickers.
Rockmoon Financial Data is an MCP server that provides AI agents with clean, cross-market financial data covering the US, Japan, and Korea. Every value traces back to its source filing (SEC, EDINET, or DART), enabling verifiable, filing-grade financials, segments, ownership, valuation metrics, and prices.
Add it to any MCP client such as Claude Desktop or Cursor by configuring a Streamable HTTP endpoint with a single API key. Use the provided JSON configuration with the URL https://mcp.rockmoon.ai/mcp and header X-API-Key (or Authorization: Bearer). Then ask natural-language queries like "Compare gross margins of AAPL, 7203 and 005930" or "Screen US semiconductors by ROE."
Get a free API key from https://rockmoon.ai. One key works for both the MCP endpoint and the REST API.
The server covers US (SEC XBRL), Japan (EDINET), and Korea (DART) markets with filing-grade financial data.
Every financial value traces back to the original XBRL filing with ASC, IFRS, or Reg S-X citations, accessible via the REST `/v1/trace/` endpoint.
Any MCP client that supports the Streamable HTTP transport, including Claude Desktop, Cursor, and other MCP-native tools.
Most global APIs are wide but shallow in Asia; Rockmoon offers deep, cleaned, comparable data for Asia plus the US, with full provenance and MCP-native integration instead of REST-only.

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