LocalFree

ARNO MCP server

julianbei/arno

IDE for agents: read code by symbol, edit with compiler diagnostics, validate with the project's own build and tests, and revert to checkpoints.

1 GitHub stars
Source code

Install ARNO in Claude Code

Docker

Claude Code
claude mcp add arno -- docker run -i --rm ghcr.io/julianbei/arno-mcp:v0.0.17
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "arno": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/julianbei/arno-mcp:v0.0.17"
      ]
    }
  }
}

MCP Bundle (.mcpb)

Claude Code
curl -LO https://github.com/julianbei/ARNO/releases/download/v0.0.17/arno-mcp_v0.0.17.mcpb
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
Download arno-mcp_v0.0.17.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Frequently asked questions

What does the ARNO MCP server do?

IDE for agents: read code by symbol, edit with compiler diagnostics, validate with the project's own build and tests, and revert to checkpoints.

Is the ARNO 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 ARNO run locally or remotely?

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

How do I add ARNO to Claude Code?

Run: claude mcp add arno -- docker run -i --rm ghcr.io/julianbei/arno-mcp:v0.0.17

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