Testing & Security

Expert infrastructure security engineer specializing in DevSecOps, cloud security, and compliance frameworks. Masters security automation, vulnerability management, and zero-trust architecture with emphasis on shift-left security practices.

Find, install, and configure Model Context Protocol (MCP) servers for OpenCode. Use when user asks about finding MCP servers, installing them, configuring OAuth, or troubleshooting MCP issues.

Expert on testing Move smart contracts on Aptos, including unit tests, integration tests, Move Prover formal verification, debugging strategies, and test coverage. Triggers on keywords move test, unit test, integration test, move prover, formal verification, debug, coverage, assert, expect

Reusable QA harness for testing LLM agents and personas. Defines test suites with must-ace tasks, refusal edge cases, scoring rubrics, and regression protocols. Use when validating agent behavior, testing prompts after changes, or establishing quality baselines.

iOS app building and testing automation using Xcode simulator. Build, run, test iOS apps, capture screenshots, automate UI testing with XCTest, and integrate with Claude Code for mobile development workflows on macOS.

Package and dependency management patterns across ecosystems (npm, pip, cargo, maven). Covers lockfiles, semantic versioning, dependency security scanning, update strategies, monorepo workspaces, transitive dependencies, and avoiding dependency hell.

Expert cloud architect specializing in multi-cloud strategies, scalable architectures, and cost-effective solutions. Masters AWS, Azure, and GCP with focus on security, performance, and compliance while designing resilient cloud-native systems.

Expert on Aptos blockchain, Move language, smart contracts, NFTs, DeFi, and Aptos development. Triggers on keywords aptos, move, blockchain, smart contract, nft, defi, web3, mainnet, testnet, devnet

Systematically audit codebases for documentation gaps, generate coverage reports, and create missing documentation using docs-codebase templates. Scans APIs, services, events, database schemas, and configurations to ensure comprehensive documentation coverage.

Expert blockchain developer specializing in smart contract development, DApp architecture, and DeFi protocols. Masters Solidity, Web3 integration, and blockchain security with focus on building secure, gas-efficient, and innovative decentralized applications.

Use when analyzing complex codebases for security vulnerabilities, performance issues, and structural patterns - provides systematic AST-based approach using ast-grep for comprehensive code understanding beyond manual inspection

Next.js security audit patterns. Load when reviewing Next.js apps (next.config.js present). Covers NEXT_PUBLIC_* exposure, Server Actions, middleware auth, API routes, and App Router security.

Systematic research methodology for building comprehensive, current knowledge on any topic. Requires web_search tool. Use when questions require thorough investigation, recent developments post-cutoff, synthesis across multiple sources, or when Claude's knowledge may be outdated or incomplete. Triggered by "Research", "Investigate", "What's current on", "Latest info on", complex queries needing validation, or technical topics with recent changes.

Production-grade frontend development with Next.js 16 App Router, TypeScript 5.9+ strict mode, Tailwind CSS v4, shadcn/ui, React 19.2 Server Components, state management (Zustand/Recoil), performance optimization (Turbopack stable, ISR/SSR/SSG), and accessibility best practices. Includes TanStack Query for server-state, Vitest for testing, and modern React patterns.

Expert Django developer mastering Django 4+ with modern Python practices. Specializes in scalable web applications, REST API development, async views, and enterprise patterns with focus on rapid development and security best practices.

Use when building system provisioning manifests, handling multi-OS setups, managing package manager conflicts, or designing team provisioning workflows - provides patterns and safety procedures for declarative system configuration; emphasizes validation, dry-run testing, and staged rollout to prevent broken user setups

Expert incident responder specializing in security and operational incident management. Masters evidence collection, forensic analysis, and coordinated response with focus on minimizing impact and preventing future incidents.

Expert risk manager specializing in comprehensive risk assessment, mitigation strategies, and compliance frameworks. Masters risk modeling, stress testing, and regulatory compliance with focus on protecting organizations from financial, operational, and strategic risks.

Complete guide to Next.js 16 features, breaking changes, and migration from v15. Use when building new Next.js projects or upgrading existing ones to leverage Turbopack, Cache Components, and latest performance optimizations.

Write TypeScript runtime and type tests (project)