# ReviewGate

> A pre-merge quality gate for AI-generated code. ReviewGate reviews a git diff in parallel across multiple focused dimensions, surfaces high-risk must-fix issues first, reduces low-value review noise, and never fakes a PASS on an incomplete review. It is open source (MIT), written in Rust, and runs as a CLI, a Claude Code skill, or a GitHub Action.

## What it does

- Runs multiple agents in parallel, each focused on one review dimension: security, perf, logic, ai_smell by default, with style and business (project rules) available as opt-in.
- Anchors and validates reported line numbers against code, then deduplicates findings across dimensions and raises confidence when several agree.
- Counter-evidence "judge": each finding is independently verified with evidence before it is kept, reducing false positives.
- Confidence gate: high-confidence issues BLOCK the merge, low-confidence noise is folded by default (still inspectable with --show-filtered).
- Never fakes a pass: timeouts, oversized context, and incomplete review units degrade to WARN and exit non-zero, so an incomplete review is never reported as PASS.

## Key facts

- License: MIT (free; you only pay for your own LLM API usage).
- Language: Rust.
- Model-agnostic: any OpenAI-compatible or Anthropic endpoint (DeepSeek, Kimi, GLM, Qwen, Claude, ...).
- Read-only by default: except for explicit `--fix` with per-finding confirmation, it does not write the worktree or run arbitrary shell.
- CI exit codes: 0 = pass, 1 = blocked by the gate, 2 = the tool itself errored (config/network). Invalid `--fail-on`/`--format` values are rejected at parse time.
- Three integration forms over one engine: CLI (primary), Claude Code skill, and GitHub Action.

## Install

- Linux / macOS: `curl -fsSL https://raw.githubusercontent.com/dengmengmian/ReviewGate/main/install.sh | sh`
- Windows (PowerShell): `irm https://raw.githubusercontent.com/dengmengmian/ReviewGate/main/install.ps1 | iex`
- Run: `reviewgate review` (review the current git diff), `reviewgate review --fail-on block` (for CI).

## Links

- Homepage: https://dengmengmian.github.io/ReviewGate/
- Repository: https://github.com/dengmengmian/ReviewGate
- Releases: https://github.com/dengmengmian/ReviewGate/releases
- Evals (public logs): https://github.com/dengmengmian/ReviewGate/tree/main/docs/evals
- Benchmarks (real CVEs, real PRs, honest caveats): https://dengmengmian.github.io/ReviewGate/benchmarks.html
- Known limitations: https://dengmengmian.github.io/ReviewGate/en/limitations.html
- Big PR handling: https://dengmengmian.github.io/ReviewGate/en/big-pr-handling.html
- vs CodeRabbit / PR-Agent: https://dengmengmian.github.io/ReviewGate/vs-coderabbit.html
- vs GitHub Copilot code review: https://dengmengmian.github.io/ReviewGate/vs-github-copilot-code-review.html
- vs Greptile: https://dengmengmian.github.io/ReviewGate/vs-greptile.html
- vs Cursor BugBot: https://dengmengmian.github.io/ReviewGate/vs-cursor-bugbot.html
- Changelog: https://github.com/dengmengmian/ReviewGate/blob/main/CHANGELOG.md