Plannotator
Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click.
- Web
- Open Source
What is Plannotator?
Plannotator is a Code Review tool. Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click. It is available on Web App. It is aimed at developers and teams.
Plannotator allows users to annotate and review coding agent plans and code diffs visually. It enables sharing with teams and sending feedback to agents with a single click. The tool is designed for developers and teams working on code reviews and agent plan refinement.
Built for developers and teams.
Features
Annotate
Link Sharing
Remote / SSH / Devcontainer
Security
Configuration
Optional Vim Controls
Use cases
- Annotate coding agent plans and code diffs visually
- Share annotated plans and code diffs with team members
- Send feedback to coding agents with one click
Who it's for
Pros & cons
Pros
- One-click feedback to agents
- Supports remote development environments
Cons
No documented limitations yet.
Developer & API
Open source· Apache-2.0· 9.1K stars· 685 forks
Security & compliance
- SOC 2
- ISO 27001
- Encryption
- Data deletion
As stated on Plannotator's website — not independently verified by AiByts.
FAQ
What is Plannotator?
Plannotator is a Code Review tool. Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click. Plannotator allows users to annotate and review coding agent plans and code diffs visually. It enables sharing with teams and sending feedback to agents with a single click. The tool is designed for developers and teams working on code reviews and agent plan refinement.
What platforms does Plannotator support?
Plannotator is available on Web App.
Who should use Plannotator?
Plannotator is built for developers and teams. Common uses: annotate coding agent plans and code diffs visually, share annotated plans and code diffs with team members and send feedback to coding agents with one click.
Is Plannotator open source?
Yes, Plannotator is open source under the Apache-2.0 license.
What are the best alternatives to Plannotator?
Similar tools on AiByts include CodeRabbit, AI Code Completion by DeepCode, Ito, Qodo and CodiumAI.
Plannotator news & updates
An Async Surface for Long-Running Agents
An async surface for long-running coding agents. Questions and blockers and reviews from every agent arrive in one inbox while they work. Answer and annotate there with Plannotator.
Plannotator Blog5 min read
An interactive UI for the grill-me skill
Run /plannotator-last on a grill-me round: the questions open in your browser, you strike out assumptions and comment on fragments, and the feedback goes straight back to the agent.
Plannotator Blog2 min readAnnotate Any Web Page or HTML File
Plannotator's /plannotator-annotate command now accepts URLs and HTML files, not just markdown. Fetch any web page, render local HTML, and annotate it with structured feedback for your coding agent.
Plannotator Blog3 min read
Continuously Improve Claude Code Plans
Use your denial history to find feedback patterns, generate a personalized report, and automatically improve every future plan.
Plannotator Blog3 min readPlan Diff: See What Changed Between Iterations
When your coding agent revises a plan, Plannotator now shows exactly what changed. Visual diffs, raw markdown diffs, and version history — across Claude Code, Codex, OpenCode, and Pi.
Plannotator Blog2 min readPlannotator Meets Pi
Plannotator now supports Pi, the minimal terminal coding agent. File-based plan mode, bash safety gating, progress tracking — all with the same browser review UI.
Plannotator Blog3 min readLocal Diff Review for Coding Agents
How Plannotator's /plannotator-review command gives you a browser-based diff viewer to annotate agent-generated code changes and send structured feedback back to the session.
Plannotator Blog3 min readSharing Plans With Your Team
How Plannotator's legacy URL sharing handles hash links, encrypted short links, and teammate annotations.
Plannotator Blog4 min read
Introducing Plannotator
A plan review UI for Claude Code that lets you approve or request changes with annotated feedback.
Plannotator Blog2 min read
Details are compiled from Plannotator's website and public sources, last verified Oct 4, 2026. Features and pricing change — confirm on the official site before you buy.
Try Plannotator
Visit the official website
Tags
- Agent Plans
- Team Collaboration
Comments
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