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Use a project where you or your coding agent has changed code. Plannotator opens the diff in your browser so you can comment on exact lines and send feedback to your agent.
1

Open a project with code changes

In your terminal, go to a Git, GitButler, Jujutsu, or Perforce project with changes to review.For your first review, use a project where an agent has just finished a task. You do not need to commit the changes first.
2

Open the code review

Run:
Plannotator detects the project and opens the diff in your browser. In Git projects, the default view shows the code that a pull request would contain, including committed, staged, unstaged, and untracked changes.
3

Comment on a changed line

Select one or more changed lines. Add a comment, request a deletion, or suggest replacement code.Keep the feedback specific. State what should change and why.
4

Send the feedback

Select Send Feedback.A direct terminal run prints structured feedback that you can copy. When your coding agent starts the review, Plannotator returns the same feedback to that agent session.

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Start the review from your coding agent

Most command-based agents use:
Codex can run !plannotator review or use $plannotator-review. See Agents for the command and setup for Claude Code, Codex, OpenCode, Copilot CLI, Gemini CLI, Pi, Amp, Droid, and Kiro CLI.

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Review a pull request or merge request

Pass Plannotator a GitHub pull request or GitLab merge request URL:
For comparison modes and source-control details, see Review Local Code Changes. For provider setup and posting feedback, see Review Pull Requests and Merge Requests. Last verified against Plannotator OSS v0.23.1 on July 18, 2026. Maintained by the Plannotator project.
Last modified on July 19, 2026