Best Claude Code Plugins for Rag

Build full-stack apps with AWS Amplify Gen 2 using guided workflows for authentication, data models, storage, GraphQL APIs, and Lambda functions.

Google Cloud Agent Development Kit (ADK) and Agent Starter Pack mastery - build containerized multi-agent systems with production-ready templates, deploy to Cloud Run/GKE/Agent Engine, RAG agents, ReAct agents, and multi-agent orchestration.

Professional AI/ML Engineering toolkit: Prompt engineering, LLM integration, RAG systems, AI safety with 12 expert plugins

Automated API endpoint testing with request generation, validation, and comprehensive test coverage

Find and analyze arbitrage opportunities across exchanges and DeFi protocols

Durable agent memory with Cascade object storage, client-side encryption, and local full-text search index. Persists agent context across sessions.

Simulate and analyze flash loan strategies including arbitrage, liquidations, and collateral swaps

Automated penetration testing for web applications with OWASP Top 10 coverage

Multi-dimensional code health analysis with complexity, churn, and test coverage - identifies technical debt hot spots

Analyze code coverage metrics, identify untested code, and generate comprehensive coverage reports

Generate comprehensive test reports with coverage, trends, and stakeholder-friendly formats

Firebase Genkit expert for production-ready AI workflows with RAG and tool calling

Build and deploy generative AI agents on Vertex AI: Gemini model selection, RAG with grounded retrieval, function calling, multimodal extraction, evaluation, and Agent Engine deployment with operational guardrails.

Complete Supabase integration skill pack with 30 skills covering authentication, database, storage, realtime, edge functions, and production operations. Flagship+ tier vendor pack.

Legacy LangChain integration skill pack with 24 skills covering chains, agents, RAG pipelines, memory, and LLM application development. Deprecated — use langchain-py-pack or langchain-ts-pack.

Intrinsic motivation science framework (Autonomy, Mastery, Purpose). Design features that leverage intrinsic motivation, create progress systems, and craft purpose-driven messaging.

Transparent cloud filesystem for AI agents using Box CLI (@box/cli). Upload, download, search, share, and sync files to Box cloud storage with operational safety guardrails.

44 advanced engineering skills: agent designer, agent workflow designer, AgentHub, RAG architect, database designer, focused-fix, browser-automation, spec-driven-workflow, secrets-vault-manager, sql-database-assistant, migration architect, observability designer, dependency audi…

LLM application development with LangGraph, RAG systems, vector search, and AI agent architectures for Claude 4.6 and GPT-5.4

Performance analysis, test coverage review, and AI-powered code quality assessment

XSS prevention, CSRF protection, content security policies, mobile app security, and secure storage patterns

Cloudflare Workers KV global key-value storage. Use for namespaces, caching, TTL, or encountering KV_ERROR, 429 rate limits, consistency issues.

Comprehensive Cloudflare account management for deploying Workers, KV Storage, R2, Pages, DNS, and Routes. Use when deploying cloudflare services, managing worker containers, configuring KV/R2 storage, or setting up DNS/routing. Requires CLOUDFLARE_API_KEY in .env and Bun runtim…

Cloudflare R2 S3-compatible object storage with SQL, Iceberg, event notifications, and automation. Use for buckets, uploads, CORS, presigned URLs, large files, S3 migration, analytics, or encountering R2_ERROR, CORS failures, multipart issues.

Cloudflare Vectorize vector database for semantic search and RAG. Use for vector indexes, embeddings, similarity search, or encountering dimension mismatches, filter errors.

ElevenLabs Agents Platform for AI voice agents (React/JS/Native/Swift). Use for voice AI, RAG, tools, or encountering package deprecation, audio cutoff, CSP violations, webhook auth failures.

FastMCP Python framework for MCP servers with tools, resources, storage backends (memory/disk/Redis/DynamoDB). Use for Claude tool exposure, OAuth Proxy, cloud deployment, or encountering storage, lifespan, middleware, circular import, async errors.

Google Gemini CLI for second opinions, architectural advice, code reviews, security audits. Leverage 1M+ context for comprehensive codebase analysis via command-line tool.

Google Gemini embeddings API (gemini-embedding-001) for RAG and semantic search. Use for vector search, Vectorize integration, or encountering dimension mismatches, rate limits, text truncation.

Google Gemini File Search for managed RAG with 100+ file formats. Use for document Q&A, knowledge bases, or encountering immutability errors, quota issues, polling failures. Supports Gemini 3 Pro/Flash (Gemini 2.5 legacy).

Generate Jest unit tests for JavaScript/TypeScript with mocking, coverage. Use for JS/TS modules, React components, test generation, or encountering missing coverage, improper mocking, test structure errors.

Offline-first mobile apps with local storage, sync queues, conflict resolution. Use for offline functionality, data sync, connectivity handling, or encountering sync conflicts, queue management, storage limits, network transition errors.

Motion (Framer Motion) React animation library. Use for drag-and-drop, scroll animations, gestures, SVG morphing, or encountering bundle size, complex transitions, spring physics errors.

OpenAI Assistants API v2 for stateful chatbots with Code Interpreter, File Search, RAG. Use for threads, vector stores, or encountering active run errors, indexing delays. ⚠️ Sunset August 26, 2026.

Implements secure session management with JWT tokens, Redis storage, refresh flows, and proper cookie configuration. Use when building authentication systems, managing user sessions, or implementing secure logout functionality.

Detect test smells, overmocking, flaky tests, and coverage issues. Analyze test effectiveness, maintainability, and reliability. Use when reviewing tests or improving test quality.

Vercel Blob object storage with CDN for Next.js. Use for file uploads (images, PDFs, videos), presigned URLs, user-generated content, file management, or encountering BLOB_READ_WRITE_TOKEN errors, file size limits, client upload token errors.

Vercel KV (Redis-compatible key-value storage via Upstash). Use for Next.js caching, sessions, rate limiting, TTL data storage, or encountering KV_REST_API_URL errors, rate limit issues, JSON serialization errors. Provides strong consistency vs eventual consistency.

Zustand state management for React with TypeScript. Use for global state, Redux/Context API migration, localStorage persistence, slices pattern, devtools, Next.js SSR, or encountering hydration errors, TypeScript inference issues, persist middleware problems, infinite render loo…