Code review agents

Gentleman-Programming/gentle-ai

Agent

R2 Readability reviewer — naming, complexity, intention, maintainability, review size, and context clarity.

Gentleman-Programming/gentle-ai

Agent

R3 Reliability reviewer — behavior-first tests, coverage value, edge cases, determinism, contracts, and regressions.

rivet-dev/actors

Agent Claude Code

Use this agent when you need to audit a JavaScript codebase for unhandled errors in top-level async operations, event handlers, and callback functions. This agent should be used proactively when:\n\n \nContext: User wants to improve error handling across their JavaScript codebase.\nuser: "Can you check if we're…

ChrisWiles/claude-code-showcase

Agent Claude Code

MUST BE USED PROACTIVELY after writing or modifying any code. Reviews against project standards, TypeScript strict mode, and coding conventions. Checks for anti-patterns, security issues, and performance problems.

elder-plinius/T3MP3ST

Agent

Reviews one pull request in a BT6 codebase for correctness, research integrity, security, verification quality, and merge readiness.

FlorianBruniaux/claude-code-ultimate-guide

Agent

Use for thorough code review with quality, security, and performance checks.

vercel-labs/open-agents

Agent ✓ vendor

Audited against the Vercel React Best Practices (57 rules, 8 categories). Findings are ordered by impact.

zenml-io/zenml

Agent Claude Code

Emulates Michael’s PR review style. Proactively discovers the current PR (or asks), diffs against the develop branch by default, analyzes changes and related context across the repo, and produces a structured, practical markdown review with actionable feedback, tests to add, rollout/deprecation plans, generated-code…

zenml-io/zenml

Agent Claude Code

Emulates Stefan’s PR review style. Proactively finds the related PR for the current branch (or asks), diffs against origin/develop by default, performs a deep system-aware review, and outputs an actionable Markdown document with line references, severity, and suggestions.

lingodotdev/lingo.dev

Agent Claude Code

Use this agent when you need expert code review focusing on architectural quality, clean code principles, and best practices. Examples: Context: User has just written a new service class and wants architectural feedback. user: 'I just implemented a user authentication service. Can you review it?' assistant: 'I'll use…

dotnet/skills

Agent

Agent that reviews MSBuild project files for anti-patterns, modernization opportunities, and best practices violations. Scans .csproj, .vbproj, .fsproj, .props, .targets files and produces actionable improvement suggestions. Invoke when asked to review, audit, or improve MSBuild project files.

entireio/cli

Agent Claude Code

Code review agent - critically reviews changes for quality, security, and correctness.

Expensify/App

Agent Claude Code

Reviews code and creates inline comments for specific rule violations.

pollinations/pollinations

Agent Claude Code

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Focuses on recently modified code unless instructed otherwise.

mock-server/mockserver-monorepo

Agent Claude Code

Pre-commit code reviewer — checks for correctness, security, and MockServer conventions. Spawn this agent when you need a focused review of staged/unstaged changes before committing.

WuKongIM/WuKongIM

Agent

The Review Agent is an administrator-invoked senior reviewer for pull requests targeting main. The model reviews and adjudicates without changing code or merging. No model review starts until a current repository administrator posts the exact @review-agent review command.

thunderbird/thunderbolt

Agent Claude Code

Use to review any change that touches PowerSync synced tables before merging — diffs that modify shared/powersync-tables.ts, a config.yaml sync rule, backend or frontend Drizzle schema, backend/drizzle migrations, the DAL/defaults/reconciliation for a synced table, sync middleware/transformers, or…

thunderbird/thunderbolt

Agent Claude Code

Use to review React (.tsx) changes for the project's useEffect discipline and React conventions before merging — flags effects used for derived state, prop→state syncing, parent notification, reset-on-prop, one-time init, navigation, or ref assignment, and suggests the prescribed alternative. Also checks…

zebbern/claude-code-guide

Agent Claude Code

Use proactively after an implementation or when an existing diff needs correctness, regression, concurrency, compatibility, and meaningful verification review. Do not use for implementation or a dedicated exploitability assessment.

fallow-rs/fallow

Agent Codex

Reviews SARIF, CodeClimate, Compact, Markdown, and Badge output formats for spec compliance and CI integration correctness.

fallow-rs/fallow

Agent Codex

Reviews JSON output schema design, backwards compatibility, actions arrays, and machine-readability.

fallow-rs/fallow

Agent Codex

Panel of end-user personas and domain experts that review fallow features, CLI output, error messages, or proposed changes and produce prioritized, actionable feedback.

callstack/agent-device

Agent

Agent "pull-requests" from callstack/agent-device, covering pull requests, readiness, rebasing onto a moving main, pr body and reviewing.

awslabs/aidlc-workflows

Agent ✓ vendor

Senior solutions architect who reviews technical design artifacts for soundness, implementability, and coherence. Finds broken cross-references, hidden dependencies, unachievable quality targets, and designs that won't survive contact with reality.