Skillget

gmc

agent
Security Audit
Warn
Health Pass
  • License — License: MIT
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Community trust — 11 GitHub stars
Code Warn
  • process.env — Environment variable access in action.yml
  • fs module — File system access in action.yml
Permissions Pass
  • Permissions — No dangerous permissions requested
Purpose
This CLI tool manages parallel Git worktrees designed for simultaneous use by multiple AI agents. It also generates standardized commit messages and branch names by sending staged git diffs to a Large Language Model (LLM).

Security Assessment
Risk: Medium. The tool requires your LLM API key and sends your code's git diffs to external AI providers over the network. The automated warnings regarding environment variable and filesystem access are expected, as the application manages `.env` files and local git directories. No hardcoded secrets or dangerous background permissions were found. However, using any AI commit tool inherently exposes your proprietary source code to third-party AI APIs.

Quality Assessment
The project is modern, actively maintained (last updated today), and properly licensed under the permissive MIT license. It is written in Go, which provides a clean, standalone compiled binary. Community trust is currently low, reflected by the small number of GitHub stars, meaning the tool is relatively new and hasn't yet undergone widespread peer review or large-scale enterprise adoption.

Verdict
Use with caution: the utility is well-structured and safe to run, but developers must be comfortable configuring it to expose their code diffs to external AI APIs.
SUMMARY

Parallel git worktrees for parallel AI agents — plus AI-generated commits.

README.md

gmc

gmc logo

Parallel worktrees for parallel AI agents — plus AI-generated commits.
A Git workflow CLI built for the AI coding era: spin up a worktree per agent, share .env and node_modules across them, and let an LLM write the commit when you're done.

Release Version go report MIT License

Installation

Homebrew (macOS/Linux)

brew install samzong/tap/gmc
# or
go install github.com/samzong/gmc@latest

Features

Command What it does
Worktree — parallel AI development
gmc wt clone <url> [--upstream <url>] Clone as .bare/ + worktree layout, optionally register upstream
gmc wt add <name> [-b <base>] [--sync] New worktree on a new branch
gmc wt dup [N] [-b <base>] Fan out N sibling worktrees for parallel agents
gmc wt promote <temp> <name> Rename a .dup-N branch to a permanent name
gmc wt list List all worktrees in the family
gmc wt switch Interactive switch between worktrees
gmc wt remove <name> [-D] Delete worktree (and optionally its branch)
gmc wt sync Pull the base branch up to date
gmc wt share add <path> Share .env / node_modules / venv across worktrees
gmc wt pr-review <pr-number> Spin up a worktree from a GitHub PR
gmc wt prune Remove worktrees whose branches are merged
Commit — AI message generation
gmc Generate Conventional Commits message from staged diff
gmc -a [paths...] Stage (all or given paths), then commit
gmc --branch <desc> Generate a branch name, switch, then commit
gmc --issue <N> Append (#N) to the subject
gmc --prompt <text> Extra instruction for the LLM
gmc --dry-run Generate but don't commit
gmc -y / --no-verify / --no-signoff Auto-confirm / skip hooks / skip signoff
Other
gmc tag [-y] Suggest and create the next semver tag
gmc init Interactive setup wizard
gmc config set <key> <value> / gmc config get Manage config
gmc --output json Machine-readable output for agents and CI
gmc completion zsh|bash|fish Shell completion

Config

Config lives at ~/.config/gmc/config.yaml (legacy ~/.gmc.yaml still works; a project-level .gmc.yaml overrides global). Run gmc init for a guided setup, or set fields manually:

gmc config set apibase https://api.openai.com/v1
gmc config set apikey  sk-...
gmc config set model   gpt-4.1-mini
gmc config set role    "Backend Developer"

Custom prompt template: set prompt_template to a YAML file path with {{.Role}}, {{.Files}}, {{.Diff}} variables. See docs/.

Shell completion

gmc completion zsh  > ~/.zsh/completions/_gmc
gmc completion bash > ~/.bash_completion.d/gmc

License

This project is licensed under the MIT License - see the LICENSE file for details

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