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Top 18 Rust Code Review Projects
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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Project mention: Show HN: LaReview, local open-source CodeRabbit alternative | news.ycombinator.com | 2026-01-22
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mjolnir
Manage Codex, Claude Code, Muse Code, Kimi Code, Grok Build, and DeepSeek Harness with durable sessions, isolated environments, quotas, and remote control. A Rust terminal and web control plane for Agent Client Protocol (ACP) coding agents. (by BrokkAi)
Project mention: Why Isn't the Industry Freaking Out About DeepSeek 4.1 Flash? | news.ycombinator.com | 2026-10-08I built mjolnir in large part so I could have Opus manage DeepSeek Flash subagents. It's phenomenal and extremely light on the Claude tokens. https://github.com/BrokkAi/mjolnir/
And yes, Opus is enough smarter than DSF that it's worth the extra steps. This ranking is from live tickets, no contamination: https://slopcop.com/power-ranking
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Project mention: Show HN: CodeDiff – Fast (<100ms), robust (99.95%) syntax-aware code diff | news.ycombinator.com | 2026-09-29
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Project mention: The Terminal Renaissance: Designing Beautiful TUIs in the Age of AI | dev.to | 2026-04-09
Iris Studio is a six-mode AI-powered git workflow tool. Explore code semantically, generate commit messages, run code reviews, draft PR descriptions, create changelogs, write release notes, all from a three-panel TUI with a universal chat interface. Built in Rust with Ratatui.
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Project mention: Show HN: Perspica – A semantic diff for reviewing code | news.ycombinator.com | 2026-09-30
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SaaSHub
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repopilot
Local, deterministic review of Git changes: weakened tests and CI gates, security boundaries, blast radius. CLI, GitHub Action, MCP server, and coding-agent plugins.
Project mention: 358 pull requests that changed tests: agents rarely weakened them. They bent the code instead. | dev.to | 2026-10-04Repo: https://github.com/MykytaStel/repopilot
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argus
AI code review that actually understands your codebase. Self-hosted, local-first, low-noise. (by Meru143)
Project mention: Show HN: Argus – AI code review that doesn't grade its own homework | news.ycombinator.com | 2026-02-16 -
Project mention: Show HN: Rust Doctor, a code health scanner for Cargo workspaces | news.ycombinator.com | 2026-08-19
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pr-bro
🖥️ TUI app that prioritizes pull request reviews using weighted scoring — so you always know which PR to review next.
It's a terminal app that grabs PRs and gives each one a score based on stuff like age, approvals, size, labels, draft or not, whether you've already reviewed it... You decide how much each thing matters/weighs.
Then it just sorts them, and you start at the top, one by one.
It's written in Rust, has vim-like keybindings, you can snooze PRs you don't want to deal with yet, and there's a breakdown view so you can see why something scored the way it did. It also uses ETags so it's light on the GitHub API rates.
https://github.com/toniperic/pr-bro
Feel free to contribute to the repo or file an issue/idea what you'd weight/filter — the scoring is the part I keep tweaking, although it mostly works fine for my needs already.
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jevgate
Code-review gate for CI and coding agents: asks TypeSafe Jev small typed questions about functions, files, tests and docs, and reports findings with locations and probabilities
Project mention: I built a Claude Code plugin around a model that only answers yes/no. What worked, what failed, what I measured | dev.to | 2026-09-30The ideas came from projects that got there first, re-implemented small with no code copied: abide (rule calibration, second look), hermes-jev-skills (confidence floor, two-stage retrieval), jev-kit (shadow-first rollout), jevgate (confirming before acting) and jev-skill-router (plugin layout and an honest field report). Built with Claude Code.
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Project mention: Building an LSP Server with Rust is surprisingly easy and fun | dev.to | 2026-04-06
So the challenge was twofold: how to keep this logic consistent across platforms and languages, and how to keep it in sync when making updates. One idea was to use WebAssembly to encapsulate the logic, ensuring the same code handles pattern matching everywhere. However, there was another challenge: speed. Since the CODEOWNERS CLI reads every file to find ownership data, this part can't be done in WASM and has to live in each editor's own extension, written in whatever language that editor supports. Rust makes this fast, but that's not always an option in other languages. (Theoretically you could use a C binding, but things were getting complicated faster than I liked.)
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git-notes
Decentralized code comments — history-safe, namespace-scoped, sync anywhere (by isaim0011)
Project mention: Decentralized Code Reviews in Git: Introducing git-notes v0.1.8 | dev.to | 2026-09-24VS Code & Cursor Extension: Inline gutter icons, review threads, and quick actions. Check out the repository on GitHub: https://github.com/isaim0011/git-notes
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codevetter
Verify AI-generated code with execution evidence — deterministic, local-first verification for coding-agent changes via a macOS app, CLI, and MCP server.
Project mention: A coding agent changed the code. What proves the task is done? | dev.to | 2026-08-14The full verification model is at https://codevetter.com/coding-agent-verification. CodeVetter is available for macOS, Windows, and Linux at https://codevetter.com/download, and the source is at https://github.com/Codevetter/codevetter.
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Ledgerful
Local-first Rust CLI for deterministic change intelligence, transactional provenance, and codebase governance
Project mention: Ledgerful – I built a local tool to catch when AI invents stuff in my code | news.ycombinator.com | 2026-08-05I kept having problems with Agents not considering downstream effects of code changes. So I built Ledgerful, a local CLI/MCP to help. Ledgerful maps the code, estimate blast radius, run structured verification, and keep a local, signed ledger of what was intended and checked.
Ledgerful signs every change you make in a git repo, lets you verify the chain offline, and produces a SOC 2-style evidence export. It runs on your machine. Nothing uploads by default.
Here’s where you can find it: https://github.com/Ryan-AI-Studios/Ledgerful
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phonton-cli
Open-source Phonton CLI: a local-first agentic development terminal with context packs, source handles, and verification gates.
Project mention: Building Phonton: a local-first AI coding CLI that verifies diffs before review | dev.to | 2026-05-02 -
Project mention: Show HN: Shamefile – Enforce docs for linter bypasses | news.ycombinator.com | 2026-05-27
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Rust Code Review discussion
Rust Code Review related posts
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Apple's Siri AI Can Be Swapped Out for Claude, ChatGPT, Code Shows
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AgentsDock: An IDE designed for agentic AI research
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I made a tool that ranks reviewable PRs
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Show HN: Shamefile – Enforce docs for linter bypasses
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Show HN: PR Bro – a TUI that helps prioritize PRs
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Show HN: LaReview, local open-source CodeRabbit alternative
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Show HN: LaReview, local CodeRabbit alternative (BYO agent)
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A note from our sponsor - AppSignal
www.appsignal.com | 12 Oct 2026
Index
What are some of the best open-source Code Review projects in Rust? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | cargo-crev | 2,339 |
| 2 | diffr | 617 |
| 3 | lareview | 180 |
| 4 | mjolnir | 91 |
| 5 | omnidiff | 50 |
| 6 | git-iris | 34 |
| 7 | perspica | 33 |
| 8 | repopilot | 24 |
| 9 | argus | 18 |
| 10 | rust-doctor | 18 |
| 11 | pr-bro | 15 |
| 12 | jevgate | 9 |
| 13 | cli | 4 |
| 14 | git-notes | 2 |
| 15 | codevetter | 1 |
| 16 | Ledgerful | 0 |
| 17 | phonton-cli | 0 |
| 18 | shamefile | 0 |
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APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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