Ryufin MCP MCP server

An official MCP server by Ryufin that provides AI agents with five plain answers on US stocks derived from SEC filings, including quality, safety, valuation, growth, and market sentiment, along with financial history and company news.

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 Ryufin

MCP endpoint (Streamable HTTP)

https://ryufin.com/mcp

Vendor documentation

What you can do with it

Find US-listed companies by ticker or name
Get five plain answers on stock quality, safety, valuation, growth, and market
Retrieve financial history metrics from SEC filings
Access recent company news from SEC 8-K reports

Tools advertised by the last live check:

search_stocks
get_stock_answers
get_stock_overview
get_financial_history
get_company_news
get_answer_changes

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 ryufin-mcp https://ryufin.com/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 ryufin-mcp --url https://ryufin.com/mcp

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "ryufin-mcp": {
      "url": "https://ryufin.com/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": {
    "ryufin-mcp": {
      "type": "streamableHttp",
      "url": "https://ryufin.com/mcp",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "ryufin-mcp": {
      "type": "http",
      "url": "https://ryufin.com/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 ryufin-mcp https://ryufin.com/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": {
    "ryufin-mcp": {
      "url": "https://ryufin.com/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": {
    "ryufin-mcp": {
      "serverUrl": "https://ryufin.com/mcp"
    }
  }
}

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