Ryufin MCP Server: Install & Setup

Install Ryufin in Claude Code

Claude Code

claude mcp add --transport http ryufin https://ryufin.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "ryufin": {
      "url": "https://ryufin.com/mcp"
    }
  }
}

Free US stock research from SEC filings: five plain answers on 3,000+ stocks. No API key.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http ryufin https://ryufin.com/mcp

org.shortandsweet.agentic/doors

Doors for AI agents: witness, letter, poison check, ghost check, wall. No account, no payment.

emil-asistent/rychlahypo-mcp

Czech mortgage rates, payment comparison and max loan per bank for 6 major Czech banks.

ai.sacs/sacs-mcp

SACS California school finance: public district financial data, CDE filings, comparisons, briefings.

RUTHVEN19/ruthven-world

Artwork provenance and works for sale: Origin Passports, Ethereum proofs, listings with proof

dev.workers.safe-or-scam.scam-check/safe-or-scam

Crypto scam checks (tokens, sites, wallets), chain reads, web page to Markdown, email checks.

runonproof/cdo

Free agent identity and signed US supplier-payment decisions. Inspect first; verify portable proof.