Raras MCP Server: Install & Setup

Install Raras in Claude Code

Claude Code

claude mcp add --transport http raras https://raras.org/api/mcp

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

{
  "mcpServers": {
    "raras": {
      "url": "https://raras.org/api/mcp"
    }
  }
}

Frequently asked questions

What does the Raras MCP server do?

Disease Twin — Brazil's rare-disease knowledge graph (10,468) over MCP. Source-grounded, PT-BR.

Is the Raras MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Raras run locally or remotely?

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

How do I add Raras to Claude Code?

Run: claude mcp add --transport http raras https://raras.org/api/mcp

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