Hermes Prime

io.github.hermes-labs-ai

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

Add to Cursor Add to VS Code Run on PlugMCP

1{2  "mcpServers": {3    "io.github.hermes-labs-ai-hermes-prime": {4      "command": "uvx",5      "args": [6        "hermes-prime-mcp==0.2.1a2"7      ],8      "env": {9        "HERMES_PRIME_FRAGMENT_ROOT": "<value>"10      }11    }12  }13}

.cursor/mcp.jsonMCP server

Transport: stdio
Status: Local

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

uvx hermes-prime-mcp==0.2.1a2

Credentials from the publisher

HERMES_PRIME_FRAGMENT_ROOT — Directory containing a trusted custom CLAUDE-fragment.md (default: the versioned card bundled with the installed package).

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1HERMES_PRIME_FRAGMENT_ROOT=<value> claude mcp add io.github.hermes-labs-ai-hermes-prime -- uvx hermes-prime-mcp==0.2.1a2

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.hermes-labs-ai-hermes-prime": {4      "command": "uvx",5      "args": [6        "hermes-prime-mcp==0.2.1a2"7      ],8      "env": {9        "HERMES_PRIME_FRAGMENT_ROOT": "<value>"10      }11    }12  }13}

claude_desktop_config.json

Local · pypiPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 0.2.1-alpha.1
API key: HERMES_PRIME_FRAGMENT_ROOT
Last checked: 2026-10-26

Stars: —
Tools: —
Uptime: —

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

How do I install Hermes Prime?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Hermes Prime need an API key?

The publisher lists these environment variables: HERMES_PRIME_FRAGMENT_ROOT.

What transport does Hermes Prime use?

Hermes Prime runs locally over stdio.

When was Hermes Prime last checked?

Last checked 2026-10-26. Read-only stdio MCP server for a versioned convention card in Claude Code.

From the publisher

Documentation

README is not crawled yet. Open the repository