plannotator vs pr-agent

The two are close in size: 8.4k stars for plannotator, 12.9k for pr-agent. Over the days we have tracked them plannotator moved +41.8% and pr-agent +11.9%, so plannotator is growing faster right now.

pr-agent leads on context depth and noise control. plannotator does not take any axis by a clear margin.

Stars and commit dates come from our own daily tracking. The six axes are read off each project's documentation by our review pipeline, so they describe what a project says about itself, not what we measured in its code.

Where they stand today

A local, browser-based review surface that plugs directly into many agent hooks so you can annotate plans, diffs, and HTML and send structured feedback back to the agent.

Stars
8.4k
Tracked growth
+41.8%
Maturity
Last commit
1d ago
Language
TypeScript
License
Apache-2.0
Cost to run
Free, self-hosted; external agent API keys or accounts may be required

An open-source, community-maintained, self‑hostable PR reviewer that compresses and adapts PR context and exposes JSON-configurable prompts for team customization.

Stars
12.9k
Tracked growth
+11.9%
Maturity
Last commit
2h ago
Language
Python
License
MIT
Cost to run
Uses your API key (OpenAI/other providers)
0%+42%90 tracked days
backnotprop/plannotatorThe-PR-Agent/pr-agent

Six axes, head to head

Each axis runs 0 to 5. The label under a score is what that project's own docs claim, not a category average.

Axisplannotatorpr-agent
Context depth
How much of your codebase it sees before it answers: the open diff, the diff plus related files, or the whole repository.
Diff-focused
PR + related files
Noise control
How it keeps output volume down — severity thresholds, deduplication, incremental runs over new commits only.
No noise controls
Configurable prompts
Customization
How far it bends to your team: custom rules, prompts, style guides, per-path config.
Config file options
Config files & prompts
Privacy
Whether your code stays on your own infrastructure: fully local, self-hostable, or cloud API only.
Self-hostable
Self-hostable
Model freedom
Whether you can point it at any provider, or it is wired to one.
Multiple providers
Multiple providers
Setup ease
What it takes to get a first useful run out of it.
One-command install
One-step setup

Which one to pick

Pick plannotator if…

Local and agent-integrated: pick Plannotator when you want a local browser UI to review agent plans and code diffs and to send feedback directly to the agent.

Runs in cli, ide, coding-agent-plugin, web-app. Works with openai, anthropic, gemini, other-fixed.

Pick pr-agent if…

Pick PR-Agent when you need a self‑hosted, highly customizable PR reviewer that supports multiple Git providers and scales to large pull requests.

  • Context depth: PR + related files (4/5 against 2/5)
  • Noise control: Configurable prompts (3/5 against 1/5)
Runs in github-action, cli, web-app, pr-bot. Works with byok, openai, anthropic, other-fixed.

What people want from each one

Questions people ask

Is plannotator better than pr-agent?

pr-agent leads on context depth and noise control. plannotator does not take any axis by a clear margin. plannotator is worth picking when local and agent-integrated: pick Plannotator when you want a local browser UI to review agent plans and code diffs and to send feedback directly to the agent.

Which of plannotator and pr-agent keeps my code private?

plannotator: Self-hostable (4/5). pr-agent: Self-hostable (4/5).

What does each one cost to run?

plannotator: Free, self-hosted; external agent API keys or accounts may be required. pr-agent: Uses your API key (OpenAI/other providers).

Full profiles: backnotprop/plannotator and The-PR-Agent/pr-agent. Everything else in Code review agents.