Plannotator
Annotate, review, and share Claude Code plans. (Plugin/Hook)
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Code Review · Plannotator - Code review environment for the modern era.

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A local diff viewer for reviewing agent-written code — git, jj, Perforce, and GitHub/GitLab PRs. Annotate lines and files; your notes feed straight back into your agent session. Optional AI layer: inline Q&A, guided reviews, and launchable review agents. Free, MIT / Apache-2.0, runs on your machine.

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Reviewing code is a pain today. Over the past few months, I've been iterating on Plannotator Code Review, and it's grown a lot as well as created a popular fan base on X. It's now in a state where I'm happy to release it. can annotate any local diff, a PR and all your feedback can go back to the agent loop you're already in or post to PRs. If you're using Plannotator already today, all your feedback exists on disk, and you can compound. You can point agents to your feedback and say, Hey, based on all the feedback, create a skill that I can use for reviews moving forward to avoid giving the same feedback.

How does the feedback loop actually close with my coding agent - does it push comments directly back into the agent's context, or am I copying them over manually each time?

Finally something that keeps me in the loop before my agent pushes code. The diff viewer is clean and the feedback going straight back into the agent workflow feels like a cheat code.

How does this actually integrate with the agents themselves, like is there a plugin per tool or does it sit on the file system and watch for changes from anything that edits markdown?