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README.md

@plannotator/opencode

Annotate plans. Not in the terminal.

Interactive Plan Review for OpenCode. Select the exact parts of the plan you want to change—mark for deletion, add a comment, or suggest a replacement. Feedback flows back to your agent automatically.

Obsidian users can auto-save approved plans to Obsidian as well. See details

Watch Demo

Watch Demo

Install

Add to your opencode.json:

{
  "$schema": "https://opencode.ai/config.json",
  "plugin": ["@plannotator/opencode@latest"]
}

Restart OpenCode. The submit_plan tool is now available.

Slash commands: Run the install script to get /plannotator-review:

curl -fsSL https://plannotator.ai/install.sh | bash

This also clears any cached plugin versions.

How It Works

  1. Agent calls submit_plan → Plannotator opens in your browser
  2. Select text → annotate (delete, replace, comment)
  3. Approve → Agent proceeds with implementation
  4. Request changes → Annotations sent back as structured feedback

Features

  • Visual annotations: Select text, choose an action, see feedback in the sidebar
  • Runs locally: No network requests. Plans never leave your machine.
  • Private sharing: Plans and annotations compress into the URL itself—share a link, no accounts or backend required
  • Plan Diff: See what changed when the agent revises a plan after feedback
  • Obsidian integration: Auto-save approved plans to your vault with frontmatter and tags

Environment Variables

Variable Description
PLANNOTATOR_REMOTE Set to 1 for remote mode (devcontainer, SSH). Uses fixed port and skips browser open.
PLANNOTATOR_PORT Fixed port to use. Default: random locally, 19432 for remote sessions.
PLANNOTATOR_BROWSER Custom browser to open plans in. macOS: app name or path. Linux/Windows: executable path.
PLANNOTATOR_SHARE_URL Custom share portal URL for self-hosting. Default: https://share.plannotator.ai.
PLANNOTATOR_PLAN_TIMEOUT_SECONDS Timeout for submit_plan review wait. Default: 345600 (96h). Set 0 to disable timeout.

Devcontainer / Docker

Works in containerized environments. Set the env vars and forward the port:

{
  "containerEnv": {
    "PLANNOTATOR_REMOTE": "1",
    "PLANNOTATOR_PORT": "9999"
  },
  "forwardPorts": [9999]
}

Then open http://localhost:9999 when submit_plan is called.

See devcontainer.md for full setup details.

Obsidian Integration

Save approved plans directly to your Obsidian vault.

  1. Open Settings in Plannotator UI
  2. Enable "Obsidian Integration" and select your vault
  3. Approved plans save automatically with:
    • Human-readable filenames: Title - Jan 2, 2026 2-30pm.md
    • YAML frontmatter (created, source, tags)
    • Auto-extracted tags from plan title and code languages
    • Backlink to [[Plannotator Plans]] for graph view
image

Links

License

Copyright 2025 backnotprop Licensed under MIT or Apache-2.0.