The-PR-Agent/pr-agent

Project overview

Each PR review tool such as /review, /improve, or /ask runs with a single LLM call that completes in about 30 seconds, making automated PR review available at low cost across multiple git hosting platforms.

Project type

AI Agent · AI Coding

Use cases

Coding & Development

Deployment

Refer to project documentation

License

MIT

Best for

• Developers and teams who find manual PR review slow and expensive and want low-cost, customizable, platform-agnostic AI review.

Key capabilities

• AI tools including /review, /improve, /describe, and /ask that run as a comment on a PR or from the CLI.
• Run pr-agent locally on a repository via the pip package, passing a PR URL.
• Add automated PR reviews to a repository with a workflow file using the the-pr-agent/pr-agent action.

Limitations and risks

• /help_docs has been temporarily disabled since v0.36.1 pending a fix for a credential-exposure issue.
• The documented setup requires an OpenAI API key, and self-hosted pr-agent sends PR data between you and OpenAI, so review content leaves your environment to reach the LLM provider.

Getting started

• Difficulty is documented as easy. First success path: pip install "pr-agent[github]", export OPENAI_KEY=your_key_here, then run pr-agent --pr_url https://github.com/owner/repo/pull/123 review.

Evidence and sources

• GitHub project description: PR Agent: The Original Open-Source PR Reviewer
• README: **Fast & Affordable**: Each tool (`/review`, `/improve`, `/ask`) uses a single LLM call (~30 seconds, low cost)
• README: /describe /review /improve /ask "What does this PR change?" # free-text Q&A about the PR
• README: pip install "pr-agent[github]" export OPENAI_KEY=your_key_here pr-agent --pr_url https://github.com/owner/repo/pull/123 review
• README: uses: the-pr-agent/pr-agent@main

Source updated at: 2026-10-25T18:31:00Z

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