Patchbot

Patchbot

Polyglot dependency updater. Detects ecosystems from lockfiles, scans for outdated packages, updates + tests, and optionally creates PRs.

What You Get

• List of outdated dependencies per ecosystem with current/latest versions
• Automated update + test run (dry-run by default)
• Optional PR creation via gh CLI

CLI Usage

# Detect ecosystems and list outdated deps
patchbot scan

# Filter to one ecosystem
patchbot scan --ecosystem rust

# Update and run tests
patchbot update --ecosystem node

# Update, test, and create a PR
patchbot pr --ecosystem elixir --base-branch main

# Dry run (preview only)
patchbot update --ecosystem python --dry-run

Supported Ecosystems

| Ecosystem | Lockfiles | Update command | Test command | |-----------|-----------|----------------|--------------| | Elixir | mix.lock, mix.exs | mix deps.update --all | mix test | | Rust | Cargo.lock, Cargo.toml | cargo update | cargo test | | Node | package-lock.json, yarn.lock, pnpm-lock.yaml | npm update | npm test | | Go | go.sum, go.mod | go get -u ./... | go test ./... | | Python | requirements.txt, pyproject.toml, poetry.lock, uv.lock | pip install --upgrade | pytest |

MCP Server

patchbot serve

Configure MCP

Add to ~/.mcp.json:

{
  "mcpServers": {
    "patchbot": {
      "command": "patchbot",
      "args": ["serve"]
    }
  }
}

MCP Tools

| Tool | Description | |------|-------------| | patchbot_scan | Detect ecosystems and list all outdated deps | | patchbot_outdated | List outdated deps for a specific ecosystem | | patchbot_update | Run update + tests for an ecosystem (dry_run by default) |

Install

cd agents/patchbot
pip install -e .

Requires ecosystem-specific tooling (mix, cargo, npm, go, pip/pytest).

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: DROOdotFOO
• Source: DROOdotFOO/agent-skills
• License: MIT
• Homepage: https://droo.foo/

Install and usage instructions live in the source repository linked above.