DROOdotFOO 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 Detects ecosystems from lockfiles, scans for outdated packages, updates + tests, and optionally creates PRs.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- List of outdated dependencies per ecosystem with current/latest versions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
ghCLI
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# Detect ecosystems and list outdated deps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Detect ecosystems and list all outdated deps |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List outdated deps for a specific ecosystem |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).