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Hermes Prime

MCP server · by hermes-labs-ai

Developer Tools Python v0.2.1-alpha.1

Read-only stdio MCP server for a versioned convention card in Claude Code.

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Install

Run one of the commands below, then add the client config underneath.

Pythonuvx hermes-prime-mcp

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "hermes-prime": {
      "command": "uvx",
      "args": [
        "hermes-prime-mcp"
      ]
    }
  }
}

About this server

Hermes Prime is listed in the Developer Tools category of the MCPNav directory. It is distributed as Python and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Hermes Prime MCP server?

Hermes Prime is an MCP server by hermes-labs-ai. Read-only stdio MCP server for a versioned convention card in Claude Code.

How do I install Hermes Prime?

Install it with: uvx hermes-prime-mcp. Then add the JSON config to your client's MCP settings and restart the client.

Is Hermes Prime free to use?

The MCP server itself is free to install. The source is public on https://github.com/hermes-labs-ai/hermes-prime. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Hermes Prime?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.