Rockmoon Financial Data MCP MCP server

An official MCP server providing auditable, cross-market financial data for US, Japan, and Korea. It exposes 18 tools allowing AI agents to retrieve financial statements, segment trends, insider trades, and institutional holdings, with every value traceable to original XBRL filings.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Rockmoon

MCP endpoint (Streamable HTTP)

https://mcp.rockmoon.ai/mcp

Vendor documentation

What you can do with it

Retrieve income statements, balance sheets, and cash flow data for public companies
Analyze business segment revenue trends across multiple markets
Screen companies and compare financial metrics like gross margin
Access insider trades and institutional holdings data

Tools advertised by the last live check:

search_companies
get_company
get_financials
get_income_statement
get_balance_sheet
get_cash_flow
get_filing_source
get_prices
get_segments
get_segments_trend
get_major_shareholders
get_director_holdings
get_insider_trades
get_institutional_holdings
get_large_holdings_events
get_metrics
screen_companies
get_metrics_history
compare_metrics

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http rockmoon-financial-data-mcp https://mcp.rockmoon.ai/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add rockmoon-financial-data-mcp --url https://mcp.rockmoon.ai/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable rockmoon-financial-data-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "rockmoon-financial-data-mcp": {
      "url": "https://mcp.rockmoon.ai/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "rockmoon-financial-data-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.rockmoon.ai/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start rockmoon-financial-data-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "rockmoon-financial-data-mcp": {
      "type": "http",
      "url": "https://mcp.rockmoon.ai/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http rockmoon-financial-data-mcp https://mcp.rockmoon.ai/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "rockmoon-financial-data-mcp": {
      "url": "https://mcp.rockmoon.ai/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "rockmoon-financial-data-mcp": {
      "serverUrl": "https://mcp.rockmoon.ai/mcp"
    }
  }
}

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