Job
Review pull requests and suggest code fixes
Have AI agents review each pull request against surrounding code, flag bugs, and leave suggested fixes you can accept or reject.
Quick answer
- 7 AI agents can review pull requests and suggest code fixes: Devin, Cursor, Cline, GitHub Copilot coding agent, Polylane, Claude Code Review, and 1 more below.
- 6 of them have prices we checked on the vendor's own page. Free plan: Devin, Cursor, Cline, GitHub Copilot coding agent, Polylane, Parallax.
- To get AI to do it: pick one, paste the example instructions below as one task, and check anything that goes to a customer before it sends.
Agents that can do it
| Agent | What it does | What it costs | Free plan |
|---|---|---|---|
| Devin | Autonomous software engineer that plans, codes, tests and ships | $0 (Pro $20/mo; Max $200/mo; Teams $80/mo + $40/mo per dev seat)Verified on the vendor's page, Oct 16, 2026 | Yes |
| Cursor | Agent edits code, runs commands, background agents open PRs | $0 (Plus $8/mo, Grok models only; Premium $30/mo)Verified on the vendor's page, Oct 16, 2026 | Yes |
| Cline | Open-source IDE agent | Free (open source) for individuals; pay for AI usage or bring your own key; Enterprise customVerified on the vendor's page, Oct 14, 2026 | Yes |
| GitHub Copilot coding agent | Assign an issue; agent writes code and opens a PR | $10/moVerified on the vendor's page, Oct 14, 2026 | Yes |
| Polylane | Connects your code, cloud and telemetry, flags real production issues, investigates root cause with cited evidence, checks pull requests for production risk, and writes the fix as a PR | Free $0; Starter $80/mo ($64/mo annual); Team $200/mo; Business $500/mo; Scale $800/mo; Premium $2,000/mo; Ultimate $5,000/moVerified on the vendor's page, Oct 16, 2026 | Yes |
| Claude Code Review | Several Claude agents review every GitHub pull request alongside the surrounding code, verify their findings and comment inline with bugs and suggested fixes | Price not confirmed | No |
| Parallax | Runs Claude Code, Codex, Cursor and 40+ other coding agents side by side; its Captain splits one ask into tasks, steers agents that drift, reviews the work natively and returns pull requests, and moves work to your next subscription when one hits its limit | Free to start with $50 Conifer credit and 5 free reviews; after that use your own Claude/Codex subscriptions or Conifer per-model rates (conifer.build/models)Verified on the vendor's page, Oct 17, 2026 | Yes |
How to get AI to review pull requests and suggest code fixes: example instructions
Fill in the brackets, then paste it as one task.
Job: review this pull request and suggest code fixes I can accept or reject. Repo / PR: [link or PR number] Stack: [e.g. TypeScript / Next.js / Python] What must not break: [e.g. auth, payments, public API] Style rules: [link to CONTRIBUTING or paste 3 rules] 1. Read the PR diff and the surrounding files it touches. Do not invent files that are not in the repo. 2. List findings by severity: blocker, should-fix, nit. For each finding give: file + line, what is wrong, why it matters, and a concrete suggested fix (patch-style or exact replacement). 3. Check for: missing tests for new paths, unsafe defaults, secrets or credentials in the diff, broken error handling, and anything that contradicts [what must not break]. 4. If the PR looks fine, say so in one short paragraph and still list 1–2 optional nits — do not invent bugs. 5. Save a review note as pr-review-[number]-[date].md with: summary, findings table, suggested commit message if you would approve after fixes. 6. Stop. Do not merge, push, or leave comments on the host until I say which findings to post. Rules: never invent a CVE, benchmark, or vendor claim. If you cannot see a file, say "not in the diff" instead of guessing. Require my OK before any write outside a draft review file.
FAQ
- What is the best AI agent to review pull requests and suggest code fixes?
- Hire the Bot lists 7 agents that can review pull requests and suggest code fixes: Devin, Cursor, Cline, GitHub Copilot coding agent, Polylane, Claude Code Review, and 1 more. We do not rank them — compare verified prices and setup steps.
- How much do AI agents that review pull requests and suggest code fixes cost?
- Verified prices we checked: Devin: $0 (Pro $20/mo; Max $200/mo; Teams $80/mo + $40/mo per dev seat); Cursor: $0 (Plus $8/mo, Grok models only; Premium $30/mo); Cline: Free (open source) for individuals; pay for AI usage or bring your own key; Enterprise custom; GitHub Copilot coding agent: $10/mo; and 2 more. Always confirm on the vendor page before you buy.
- How do I get an AI agent to review pull requests and suggest code fixes?
- Use the example instructions on this page: fill in the brackets, paste them as one task, and check anything that goes to a customer before it sends.
- Is there a free AI agent to review pull requests and suggest code fixes?
- Yes — among agents with verified prices, a free plan is available on: Devin, Cursor, Cline, GitHub Copilot coding agent, Polylane, Parallax.
- What are the risks of using an AI agent to review pull requests and suggest code fixes?
- Agents can invent facts, send the wrong message, or miss a detail. Check anything that goes to a customer, never invent prices or emails in your instructions, and require approval before send, pay or delete.
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