Gru

Name: Gru
Availability: InStock
Author: fotoetienne

Supports UI

by fotoetienne

Autonomously turns GitHub issues into merged PRs using AI coding agents in isolated worktrees.

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Works in:Codex

Exposes:ToolsResources

View on GitHub Docs

What it does

Gru connects GitHub issues to AI coding agents (like Claude Code or OpenAI Codex) to implement features and fix bugs autonomously. It manages the entire lifecycle: fetching issues, spawning agents in isolated git worktrees, performing code reviews, and monitoring CI until a PR is merged.

Tools

do: Implementation of a specific GitHub issue into a PR.
review: Autonomous review of a PR for correctness and security.
chat: Interactive chat session with the repository context.
pm/tpm: Interactive product management sessions for PRD writing and critical path analysis.
mcp: Acts as an MCP server to provide AI agents with Minion status and logs.

Installation

To use Gru as an MCP server in claude_desktop_config.json:

{
  "mcpServers": {
    "gru": {
      "command": "gru",
      "args": ["mcp"]
    }
  }
}

Supported hosts

Confirmed for Claude Code and standard MCP clients.

Quick install

curl -fL https://github.com/fotoetienne/gru/releases/latest/download/gru-aarch64-apple-darwin.tar.gz | tar xz && sudo mv gru /usr/local/bin/

Information

Pricing: free
Published: 5/22/2026
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Gru