Bernstein MCP Server: Install & Setup

Install Bernstein in Claude Code

PyPI (uv)

Claude Code

claude mcp add bernstein -- uvx bernstein

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

{
  "mcpServers": {
    "bernstein": {
      "command": "uvx",
      "args": [
        "bernstein"
      ]
    }
  }
}

Docker

Claude Code

claude mcp add bernstein -- docker run -i --rm ghcr.io/sipyourdrink-ltd/bernstein:3.23.0

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

{
  "mcpServers": {
    "bernstein": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/sipyourdrink-ltd/bernstein:3.23.0"
      ]
    }
  }
}

Frequently asked questions

What does the Bernstein MCP server do?

Deterministic orchestrator for CLI coding agents such as Claude Code, Codex and Aider, with per-agent git worktrees, an audit trail and cost-aware routing.

Is the Bernstein 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 Bernstein run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Bernstein to Claude Code?

Run: claude mcp add bernstein -- uvx bernstein

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