# Plannotator

> Local, browser-based review surface for AI coding agents (Claude Code, Codex, Copilot CLI, Gemini CLI, OpenCode, Kiro, Droid, Amp, Pi). Annotate plans, specs, HTML artifacts and diffs or PRs, then send feedback straight back to the agent. The new Plannotator Inbox collects agent messages, questions and reviews in one local window. Apache-2.0.

- Page: https://vibetoolrank.com/tools/plannotator/
- Markdown: https://vibetoolrank.com/tools/plannotator.md
- Official: https://github.com/backnotprop/plannotator
- Category: Code Review & Security (https://vibetoolrank.com/best/code-review/ · https://vibetoolrank.com/best/code-review.md)
- Pricing: Free and open source (Apache-2.0) per the GitHub repository; no paid plan found on the README.
- Free tier: Yes: Apache-2.0 open source, runs locally (GitHub README, verified 2026-11-09)
- Last checked: 2026-11-09

## Agent test

- Not yet tested by VibeToolRank.

## Sources

- https://github.com/backnotprop/plannotator
- https://plannotator.ai/inbox/
- https://news.ycombinator.com/item?id=50415476

Methodology: https://vibetoolrank.com/methodology/