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CodeOtter

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CodeOtter is a self-hosted AI pull request reviewer built around a dual engine. A deterministic "System 1" scorer returns 6 calibrated 0-100 gauges (Quality, Blast Radius, Risk, Tests, Readability, PR Hygiene) and 9 yes/no merge gates (Title, Description, Security...

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  • Updated Oct 2026

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  • Self-Hosted
  • Docker
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CodeOtter was added to AlternativeTo by Dharmesh Gurnani on and this page was last updated .

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What is CodeOtter?

CodeOtter is a self-hosted AI pull request reviewer built around a dual engine. A deterministic "System 1" scorer returns 6 calibrated 0-100 gauges (Quality, Blast Radius, Risk, Tests, Readability, PR Hygiene) and 9 yes/no merge gates (Title, Description, Security, Complexity, Tests, Docs, Scope, Guidelines, Issue Requirements). In parallel, an LLM reviewer writes the walkthrough, line-anchored findings with committable GitHub suggestions, and a Mermaid blast-radius diagram rendered fully offline.

Bring your own key (Claude, OpenAI, MiniMax, OpenRouter) or run 100% locally with GGUF models (DeepSeek, Qwen, Llama) and Microsoft CodeReviewer. It reads AGENTS.md / CLAUDE.md as repository guidelines, remembers dismissed findings and accepted fixes per repo, and does incremental commit-by-commit re-reviews.

No telemetry and no per-seat billing. Open source under AGPL-3.0.