Merlin AI Code Review

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Score6.3

Rank#7 of 48

PriceFree

Free planYes

Runs onLinux, Self-hosted

Summary

Merlin AI Code Review is ranked #7 of 48 in AI code review tools on Samsung Mobile US Press. It runs on Linux, Self-hosted. There is a free plan.

Merlin AI Code Review plans and pricing

All plans

Free forever Free MIT license · No per-seat fee · Bring your own AI API key; provider token charges apply merlin-review.com · 3 Oct 2026

Compared on AI code review tools

Free plan: Yesmerlin-review.com
Security analysis: Yesmerlin-review.com
Custom review rules: Yesmerlin-review.com
Fix suggestions: Yesmerlin-review.com
Deployment model: self_hostedmerlin-review.com
Review trigger: bothmerlin-review.com
Code hosts: GitHub, GitLab, Bitbucket, Azure DevOps, Giteamerlin-review.com

Facts

Purpose: Merlin reviews pull request diffs with configurable AI and posts inline comments without sending code to a third-party SaaS.merlin-review.com · 3 Oct 2026
Review comments: It posts file- and line-level comments about bugs, security, style, and performance, sorted by severity.merlin-review.com · 3 Oct 2026
Security features: Security scanning includes OWASP Top 10 analysis, secret detection, and Snyk dependency scanning.merlin-review.com · 3 Oct 2026
AI providers: The site lists Claude, GPT-4o, Gemini, Bedrock, Ollama, and Claude Code CLI as supported AI backends.merlin-review.com · 3 Oct 2026
Git integrations: The site says Merlin works with GitHub, GitLab (cloud and self-hosted), Bitbucket, Azure DevOps, and Gitea.merlin-review.com · 3 Oct 2026
Context-aware reviews: Merlin can index a codebase and past review comments, then retrieve relevant snippets before AI calls; embeddings run locally via Ollama.merlin-review.com · 3 Oct 2026
Autonomous agent: Its ReAct-loop agent can plan multi-step tasks and use the slash commands, RAG search, comment posting, and PR information tools.merlin-review.com · 3 Oct 2026
Security and privacy: The maker says source code stays on the user's servers and describes an Ollama plus local Qdrant configuration for offline use with zero external calls.merlin-review.com · 3 Oct 2026
Audit logs: The maker says every AI call can be logged locally and describes this as HIPAA/SOC2 friendly.merlin-review.com · 3 Oct 2026
License and cost: Merlin is MIT-licensed and free forever; users supply their own API key and pay their AI provider for token usage.merlin-review.com · 3 Oct 2026
Deployment: The product is presented as a Rust single binary that runs in a CI pipeline, with no Merlin server or account required.merlin-review.com · 3 Oct 2026
Intended users: The maker describes it for solo developers, startups, open-source teams, regulated banks, and air-gapped defence labs.merlin-review.com · 3 Oct 2026
Support: The maker directs users to open an issue, start a discussion, or contact the team directly for feedback.merlin-review.com · 3 Oct 2026
Maker: The site credits Arunachalam Kalimuthu as the maker.merlin-review.com · 3 Oct 2026