mantis vs pr-agent
pr-agent is much bigger: 12.9k stars against 935. Over the days we have tracked them mantis moved +10288.9% and pr-agent +11.9%, so mantis is growing faster right now.
They split the axes: mantis leads on model freedom, pr-agent on setup ease.
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 modular, stack-agnostic suite of security review skills that lets coding agents find, reproduce, dedupe, and patch vulnerabilities with sandboxed execution and a sequential pipeline.
- Stars
- 935
- Tracked growth
- +10288.9%
- Maturity
- ●●●●●
- Last commit
- 2d ago
- Language
- Python
- License
- Apache-2.0
- Cost to run
- Your API key; model/compute costs apply.
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)
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.
| Axis | mantis | pr-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. | ●●●●● Whole-repo analysis | ●●●●● PR + related files |
Noise control How it keeps output volume down — severity thresholds, deduplication, incremental runs over new commits only. | ●●●●● Dedupe & filters | ●●●●● Configurable prompts |
Customization How far it bends to your team: custom rules, prompts, style guides, per-path config. | ●●●●● Customizable prompts | ●●●●● 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. | ●●●●● Bring-your-own-key | ●●●●● Multiple providers |
Setup ease What it takes to get a first useful run out of it. | ●●●●● Agent + API key | ●●●●● One-step setup |
Which one to pick
Pick mantis if…
Security-first — pick Mantis when you need a focused, extensible toolkit of agent skills specialized for end-to-end vulnerability discovery, reproduction, and patching in isolated environments.
- Model freedom: Bring-your-own-key (5/5 against 3/5)
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.
- Setup ease: One-step setup (5/5 against 3/5)
What people want from each one
google/mantis
The-PR-Agent/pr-agent
Questions people ask
Is mantis better than pr-agent?
They split the axes: mantis leads on model freedom, pr-agent on setup ease. mantis is worth picking when security-first — pick Mantis when you need a focused, extensible toolkit of agent skills specialized for end-to-end vulnerability discovery, reproduction, and patching in isolated environments.
Which of mantis and pr-agent keeps my code private?
mantis: Self-hostable (4/5). pr-agent: Self-hostable (4/5).
What does each one cost to run?
mantis: Your API key; model/compute costs apply.. pr-agent: Uses your API key (OpenAI/other providers).
Full profiles: google/mantis and The-PR-Agent/pr-agent. Everything else in Code review agents.