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Two Review & Testing tools whose own descriptions overlap (shared terms: plans). Here's what each project says it does and the public numbers, side by side, so you can pick one in a minute instead of reading two READMEs.
| Krypton | Codex Reviewer | |
|---|---|---|
| What it says it does | Goal-based planning and proof gate for Codex and Claude Code that turns requests into ownership, cutover, review-gate, and acceptance-evidence plans. | Second-pass review of Claude-driven plans and implementations. |
| Maker | jturntdev | schuettc |
| GitHub stars | 130 | 15 |
| Last push | pushed 2026-07-24 (114 days ago) | pushed 2026-05-05 (194 days ago) |
| License | MIT | MIT |
| Language | Shell | n/a |
| Packaged as | plugin | plugin |
| Works with | Codex, Claude Code | Codex, Claude Code |
| Install | codex plugin marketplace add \ | No copyable command in the README |
| Editor's pick | No | No |
| In our catalog since | 2026-10-25 | 2026-10-25 |
| Source | github.com/jturntdev/krypton | github.com/schuettc/codex-reviewer |
| Our page | Krypton → | Codex Reviewer → |
We haven't run both, so we won't crown a winner. Use the list above to rule one out, then read its README and recent commits before installing. Anything that runs commands on your machine deserves a look at the code.
Krypton alternatives · Codex Reviewer alternatives · RAG Reviewer vs Codex Reviewer · Codex Reviewer vs Zagrosi Forge
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Data from GitHub and each project's README, checked 2026-11-15. We haven't installed or audited these, and stars measure attention, not quality. Paid placements never change this page. Spot a mistake? hello@pickaplugin.com
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