Ralph Wiggum Loop

io.github.sheldonrobinson/ralph-wiggum-loop · v1.1.0

Autonomous iterative AI development MCP server with spec-driven worker/reviewer SHIP/REVISE loops.

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add ralph-wiggum-loop -e RALPH_STATE_BASE=<RALPH_STATE_BASE> -e RALPH_RECIPE_DIR=<RALPH_RECIPE_DIR> -- https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/ralph-wiggum-loop.sh.mcpb

claude_desktop_config.json

{
  "mcpServers": {
    "ralph-wiggum-loop": {
      "command": "https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/ralph-wiggum-loop.sh.mcpb",
      "args": [],
      "env": {
        "RALPH_STATE_BASE": "<RALPH_STATE_BASE>",
        "RALPH_RECIPE_DIR": "<RALPH_RECIPE_DIR>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "ralph-wiggum-loop": {
      "command": "https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/ralph-wiggum-loop.sh.mcpb",
      "args": [],
      "env": {
        "RALPH_STATE_BASE": "<RALPH_STATE_BASE>",
        "RALPH_RECIPE_DIR": "<RALPH_RECIPE_DIR>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "ralph-wiggum-loop": {
      "type": "stdio",
      "command": "https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/ralph-wiggum-loop.sh.mcpb",
      "args": [],
      "env": {
        "RALPH_STATE_BASE": "<RALPH_STATE_BASE>",
        "RALPH_RECIPE_DIR": "<RALPH_RECIPE_DIR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`RALPH_STATE_BASE` Optional	Directory path where active Ralph Loop state and iteration history are stored
`RALPH_RECIPE_DIR` Optional	Directory path containing workflow recipe JSON files

Details

Package	`https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/[email protected]` (MCPB, stdio)
Package	`https://github.com/sheldonrobinson/ralph-wiggum-loop/releases/download/v1.1.0/[email protected]` (MCPB, stdio)
First published	23 Oct 2026
Last updated	23 Oct 2026
Registry name	`io.github.sheldonrobinson/ralph-wiggum-loop`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

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For maintainers

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