Rhea MCP Server: Install & Setup

Install Rhea in Claude Code

Remote URL

Claude Code

claude mcp add --transport http rhea https://gateway.pipeworx.io/rhea/mcp

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

{
  "mcpServers": {
    "rhea": {
      "url": "https://gateway.pipeworx.io/rhea/mcp"
    }
  }
}

npm

Claude Code

claude mcp add rhea -- npx -y @pipeworx/mcp-rhea

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

{
  "mcpServers": {
    "rhea": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-rhea"
      ]
    }
  }
}

Frequently asked questions

What does the Rhea MCP server do?

Rhea MCP — expert-curated database of biochemical reactions.

Is the Rhea MCP server free?

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

Does Rhea run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Rhea to Claude Code?

Run: claude mcp add --transport http rhea https://gateway.pipeworx.io/rhea/mcp

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