PR-Agent

Free plan APISelf-hosted

What PR-Agent is

PR-Agent is a free, open-source AI agent for describing, reviewing, and improving pull requests. Its review tool provides feedback on possible issues, security concerns, tests, and the effort a review may require. The improve tool creates actionable suggestions for changing pull-request code, while the ask tool answers questions about code changes or selected lines. PR-Agent can run locally through its CLI, from pull-request comments, or automatically when a pull request opens. It is self-hosted and supports GitHub, GitLab, Bitbucket, Azure DevOps, CodeCommit, and Gitea, with Gerrit and CodeCommit support depending on tool and usage mode. Installation documentation covers Docker, pip, and running from source. Issue context can come from GitHub and GitLab issues, Jira, and Asana; Jira Server and Data Center are not supported. Results can optionally go to stdout, JSONL, HTTPS webhooks, or Slack Incoming Webhooks. Local use requires an LLM provider API key and a git-platform token.

Who it suits

PR-Agent suits development teams that want AI assistance with pull-request review while keeping deployment self-hosted. It is also relevant to teams using the listed Git platforms and LLM providers.

What it does well

Free open-source software
Reviews security concerns and tests
Runs locally, in comments, or automatically
Supports major Git hosting platforms
Offers configurable review rules

What to know first

Local use requires an LLM API key
Local use requires a git-platform token
Large diffs may omit whole files
Jira Server and Data Center unsupported

Plans

Plan	Billed and limits	Price
PR-Agent (open source)	Open-source software; requires an LLM provider API key and git-platform token for local use	Free

As docs.pr-agent.ai lists them, read 4 Oct 2026. The maker's own page has the final word.

Verdict

PR-Agent combines pull-request review, improvement suggestions, and question answering across several git platforms. It assists human reviewers rather than replacing them, and large diffs may need configured chunking for fuller coverage.

Facts from PR-Agent's own pages

Code suggestions: The improve tool generates actionable code suggestions for improving a pull request. · docs.pr-agent.ai, 4 Oct 2026
Deployment: self hosted · docs.pr-agent.ai, 19 Sept 2026
GitHub security: The GitHub integration guide warns that pull_request_target workflows can access repository secrets and advises against executing pull-request code in the same job with secrets or elevated token permissions. · docs.pr-agent.ai, 4 Oct 2026
Git platforms: The supported-platforms page lists GitHub, GitLab, Bitbucket, Azure DevOps and Gitea, with Gerrit and CodeCommit also supported for some tools and usage modes. · docs.pr-agent.ai, 4 Oct 2026
Human review: PR-Agent is designed to assist human reviewers, not replace them. · docs.pr-agent.ai, 4 Oct 2026
Installation: The local installation guide documents Docker, pip and running from source. · docs.pr-agent.ai, 4 Oct 2026
Integrations: GitHub, GitLab, Bitbucket, Azure DevOps, CodeCommit, Gitea, OpenAI, Anthropic Claude, Google Gemini, DeepSeek, Mistral, LiteLLM-compatible providers · docs.pr-agent.ai, 19 Sept 2026
Large pull requests: By default, review may omit whole files when a diff exceeds the model token budget; optional chunking can review portions in separate model calls, subject to configured call limits. · docs.pr-agent.ai, 4 Oct 2026
Output integrations: The optional push_outputs feature can send results to stdout, a JSONL file, a generic HTTPS webhook or a Slack Incoming Webhook. · docs.pr-agent.ai, 4 Oct 2026
Privacy: For self-hosted PR-Agent using an API key for an LLM provider, data handling is between the user and that provider. · docs.pr-agent.ai, 4 Oct 2026
PR questions: The ask tool answers questions about pull requests based on their code changes, and it can answer questions about selected code lines. · docs.pr-agent.ai, 4 Oct 2026
Purpose: PR-Agent is an open-source AI agent that describes, reviews and improves pull requests. · docs.pr-agent.ai, 4 Oct 2026
Review: The review tool generates feedback on possible issues, security concerns, tests and review effort. · docs.pr-agent.ai, 4 Oct 2026
Ticket integrations: Ticket context integrations include GitHub and GitLab issues, Jira and Asana; Jira Server and Data Center are not supported yet. · docs.pr-agent.ai, 4 Oct 2026
Usage limit: The help_docs command is temporarily disabled since v0.36.1 pending a fix for a credential-exposure issue. · docs.pr-agent.ai, 4 Oct 2026
Ways to run: PR-Agent can run locally from the CLI, through PR comments, or automatically when a pull request opens. · docs.pr-agent.ai, 4 Oct 2026

Where PR-Agent stands on Freedom251

AI Code Review Tools#20 of 47
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