head to head · open source
pr-agent vs pstack-claude
pr-agent has 13,299 GitHub stars, 1,948 forks, 102 open issues and last shipped yesterday. pstack-claude has 1,595 stars, 169 forks, 1 open issues and last shipped today. pr-agent leads on adoption by 734% (13,299 vs 1,595 stars). pr-agent is written in Python under MIT; pstack-claude is written in JavaScript under MIT. pr-agent has attracted 15% as many forks as stars, pstack-claude 11%. pstack-claude was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (anthropic, code-review), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| pr-agent | pstack-claude | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 1.6K |
| License | MIT | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-10-07 | 2026-10-08 |
| Forks | ⑂ 1.9K | ⑂ 169 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pr-agent if
- You weight community size — 13K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick pstack-claude if
- You want the pstack-claude feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and pstack-claude fits your workflow better
About pr-agent
PR Agent is an open source, AI powered code review agent, maintained by the community as a legacy project of Qodo, for development teams that want automated pull request review running on their own infrastructure with their own model keys.
read the full pr-agent overview →
About pstack-claude
pstack claude is an MIT licensed plugin port of Lauren Tan's opinionated Cursor pstack skill stack to Claude Code, Codex, Pi, GitHub Copilot, OpenCode, Gemini CLI, and Prime Agent, for developers who want rigorous, verified agent workflows outside Cursor.
read the full pstack-claude overview →
More in Developer Tools
Related comparisons
More Version Control & Collaboration projects
Compare either of these against the rest of the Version Control & Collaboration field.
Frequently asked questions
Is pr-agent or pstack-claude more popular?
pr-agent has 13,299 GitHub stars and pstack-claude has 1,595. pr-agent has the larger community by that measure.
Are pr-agent and pstack-claude free?
Both are open source. pr-agent is licensed under MIT and pstack-claude under MIT. Neither carries a licence fee.
What is the difference between pr-agent and pstack-claude?
pr-agent is written in Python and pstack-claude in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pr-agent or pstack-claude?
Choose pr-agent if you want the larger community (13,299 stars) or its MIT licence terms. Choose pstack-claude if its feature set, stack or MIT licence fits better. Both are self-hostable.