What makes diffray different from other AI code review tools?

diffray uses multi-agent intelligence instead of single-model AI. Multiple specialized agents work together - Security Agent, Performance Agent, Architecture Agent, and Consistency Agent - each expert in their domain. This coordinated approach reduces false positives by 87% and catches 3x more real bugs compared to traditional single-agent tools like GitHub Copilot or CodeRabbit.

How does multi-agent AI code review work?

Multi-agent AI code review deploys specialized agents that work in parallel, each focused on a specific domain: security vulnerabilities, performance bottlenecks, architectural patterns, and code consistency. Unlike single-model approaches that suffer from context dilution, each agent maintains deep expertise in its area. Research shows this approach improves bug detection by 3x while reducing noise.

Is diffray free for open source projects?

Yes, diffray is completely free forever for open source projects. We support the open source community with full access to our multi-agent code review platform, including all specialized agents, unlimited reviews, and priority support.

What programming languages does diffray support?

diffray supports all major programming languages including TypeScript, JavaScript, Python, Go, Rust, Java, C#, Ruby, PHP, and more. The multi-agent system is language-agnostic and adapts its analysis to language-specific patterns and best practices.

How does diffray integrate with GitHub?

diffray integrates seamlessly with GitHub through a GitHub App. Once installed, it automatically reviews every pull request, posting actionable comments directly on the PR. Setup takes less than 2 minutes with no configuration required. Enterprise teams can also use diffray CLI for local reviews before pushing code.

What is the difference between diffray and CodeRabbit or GitHub Copilot?

While CodeRabbit and GitHub Copilot use single-model AI that can hallucinate and produce false positives, diffray employs multi-agent intelligence where specialized agents cross-validate findings. This results in 87% fewer false positives. Additionally, diffray provides full codebase awareness, custom rule support, and agent memory that learns from your team's patterns.

Can diffray detect security vulnerabilities?

Yes, diffray's Security Agent is specifically trained to detect OWASP Top 10 vulnerabilities, injection attacks, authentication flaws, and sensitive data exposure. It analyzes code in context of your entire codebase, reducing false positives while catching real security issues that static analysis tools miss.

How much does diffray reduce code review time?

According to our customer data, teams using diffray reduce PR review time by 73% on average - from 45 minutes to 12 minutes per week. This is because diffray's multi-agent system produces 87% fewer false positives, so developers spend time on real issues instead of filtering noise.

What is the developer action rate on diffray comments?

diffray achieves a 98% developer action rate on its comments, compared to industry average of 15-20% for traditional AI code review tools. This high engagement is due to our multi-agent approach that eliminates noise and surfaces only actionable findings with confidence scores.

How does diffray handle duplicate comments?

diffray guarantees zero duplicate comments through its intelligent deduplication system. Unlike single-agent tools that often flag the same issue multiple times across a PR, diffray's agents coordinate to consolidate findings and present each issue exactly once with full context.

Does diffray store my code?

No, diffray never stores your source code. Code is processed in memory during the review and immediately discarded. We are SOC 2 compliant and your code is never used for AI training. Enterprise customers can also use our on-premise deployment option for complete data sovereignty.

How does diffray compare to GitHub Copilot code review?

While GitHub Copilot uses a single AI model for code review, diffray employs specialized multi-agent intelligence. Research shows multi-agent systems catch 3x more real bugs while producing 87% fewer false positives. diffray also provides full codebase awareness, custom rules, and agent memory - features not available in Copilot's code review.

Does diffray understand React hooks rules?

Yes. diffray's Bugs Agent knows React hooks rules including conditional hook calls, missing dependencies in useEffect, and stale closure issues. It catches common hook mistakes before they cause bugs.

Can diffray review Next.js App Router code?

Yes. diffray understands Next.js patterns including App Router, Server Components, Server Actions, and the latest Next.js best practices.

Does diffray check React component performance?

Yes. The Performance Agent identifies unnecessary re-renders, missing memoization, expensive computations in render, and bundle size issues in your React code.

Experto en React y Next.js

Revisión de código con IA para React

diffray entiende React. Reglas de hooks, patrones de componentes, optimización de rendimiento y accesibilidad — revisión con IA para aplicaciones React modernas.

React18+

Next.js13+ App Router

Remix2.x

Gatsby5.x

Vite + React5.x

Diseñado para desarrolladores React

Agentes de IA que entienden patrones React, hooks y mejores prácticas modernas.

Hooks y estado

Detecta violaciones de hooks React, closures obsoletos y bugs de gestión de estado.

Dependencias de useEffect
Hooks condicionales
Actualizaciones de estado en loops

Rendimiento

Identifica re-renders innecesarios, memoización faltante y bundle inflado.

useMemo/useCallback
Optimización de render
Code splitting

Accesibilidad

Asegura que los componentes sean accesibles con ARIA y soporte de teclado adecuados.

Atributos ARIA
Navegación por teclado
Gestión de foco

Diseño de componentes

Valida patrones de componentes, props y mejores prácticas de composición.

Tipos de props
Composición de componentes
Uso de key

Problemas comunes de React que detectamos

Dependencias faltantes en useEffect

Datos obsoletos, loops infinitos, race conditions

Agente Bugs valida arrays de dependencias

Re-renders innecesarios

UI lenta, recursos desperdiciados, mal UX

Agente Performance encuentra memoización faltante

XSS vía dangerouslySetInnerHTML

Vulnerabilidad de seguridad, robo de datos

Agente Security marca inyección HTML insegura

Labels de accesibilidad faltantes

Inutilizable para lectores de pantalla, riesgo legal

Verificaciones de accesibilidad en elementos interactivos

Reglas personalizadas para tu stack React

Aplica los patrones React de tu equipo. Requiere uso específico de hooks, estructuras de componentes o estándares de accesibilidad.

Requerir useCallback para event handlers
Requerir error boundaries en rutas
Validar accesibilidad en formularios
Verificar estados de carga apropiados

.diffray/rules/react.yaml

rules:
  - id: react_use_error_boundary
    agent: bugs
    title: Routes need error boundaries
    description: All route components should
      have error boundaries for resilience
    importance: 8
    match:
      file_glob:
        - 'app/**/page.tsx'
        - 'pages/**/*.tsx'
    checklist:
      - Verify ErrorBoundary wraps component
      - Check for error fallback UI
      - Ensure errors are logged
    tags:
      - react
      - reliability
      - next-js