ndom91/open-plan-annotator

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A fully local agentic coding plugin that intercepts plan mode and opens an annotation UI in your browser. Mark up the plan, send structured feedback to the agent, and receive a revised version — iterate as many times as you need until you're ready to approve.

Select text to <code>strikethrough</code>, <code>replace</code>, <code>insert</code>, or <code>comment</code> — then approve the plan or request changes


## How It Works

1. Your coding agent (Claude Code or OpenCode) finishes writing a plan
2. The plugin launches an ephemeral HTTP server and opens a React UI in your browser
3. You review the plan and annotate it — strikethrough, replace, insert, or comment on any section
4. **Approve** to let the agent proceed, or **Request Changes** to send your annotations back as structured feedback
5. The agent revises the plan and the cycle repeats until you're satisfied

Everything runs locally. Nothing leaves your machine.

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