Tester
25Agent Claude Code
Expert in testing Python applications, web dashboards, and FastAPI backends.
Agent Claude Code
Expert in testing Python applications, web dashboards, and FastAPI backends.
Agent Claude Code
Expert UX designer and design critic: creates research-backed designs (JTBD, wireframes, specs) AND provides evidence-based critique with NN Group citations. Two modes: Design (generative) and Review (critique). Pushes back on bad ideas with data.
Skill Claude Code
AWS Bedrock AgentCore expert: deploy and manage Gateway, Runtime, Memory, Identity, MCP targets and credentials. Use when working with any AgentCore component.
Skill Claude Code
AWS CDK infrastructure as code in TypeScript/Python: stacks, constructs, deployment. Use when the user mentions CDK, CloudFormation, IaC, cdk synth, cdk deploy, or wants to define AWS infrastructure in code.
Skill Claude Code
AWS cost optimization, monitoring and operations, with MCP servers for billing analysis, cost estimation, observability and security assessment.
MCP server Claude CodeCodexCursor +2
Agentic pipeline orchestration MCP server — manage pipeline state, modes, and supervision gates for AI-driven software development workflows. Runs locally from the junai-mcp Python package. Needs 2 environment variables to run.
Skill Claude Code
AWS serverless and event-driven architecture. Use when the user mentions serverless, Lambda, API Gateway, DynamoDB, Step Functions, EventBridge, SQS, SNS, event-driven, async processing, queues or pub/sub.
Skill Claude Code
Builds stateful AI agents on Cloudflare Workers with the Agents SDK. Use when the user wants to "build an agent", "AI agent", "chat agent", "stateful agent", mentions "Agents SDK", "real-time AI", "WebSocket AI", or asks about agent "state management", "scheduled tasks" or "tool calling".
Skill Claude Code
Builds and deploys remote MCP servers on Cloudflare Workers with tools and OAuth. Use when the user wants to "build MCP server", "create MCP tools", "remote MCP", "deploy MCP", add "OAuth to MCP", or mentions "MCP authentication", "MCP deployment" or Model Context Protocol on Cloudflare.
Skill Claude Code
Single-model adversarial review technique — 3-lens analysis with confidence scoring and self-challenge.
Skill Claude CodeCodex
Typed client-side API consumption: fetch wrappers, zod validation, auth injection, TanStack Query (useQuery, useMutation, optimistic updates), tRPC, OpenAPI codegen, pagination. Use when consuming REST or tRPC APIs.
Skill Claude CodeCodex
REST and GraphQL API design: endpoints, resource schemas, versioning, pagination, error responses, OpenAPI. Use when designing or reviewing API contracts.
Skill Claude Code
Design application architecture and system diagrams with layered patterns, Mermaid C4 diagrams, SQL Server data platform, and on-premise deployment considerations.
Skill Claude CodeCodex
Backend API design, database schemas, microservices and TDD. Use for backend system architecture.
Skill Claude Code
Document a finished backend API for frontend integration. Use when the user says 'create handoff', 'document API', 'frontend handoff', or 'API documentation'.
Skill Claude CodeCodex
Caching strategies for Streamlit and FastAPI applications.
Skill Claude CodeCodex
Explain code with diagrams, analogies and step-by-step walkthroughs. Use when teaching a codebase or answering "how does this work?".
Skill Claude Code
Automated code review for quality, security, performance and best practices. Use when reviewing code changes, PRs, or doing code audits.
Skill Claude Code
Audit an unfamiliar codebase before architecture or implementation work. Use for a new codebase, pre-implementation audit, codebase review, technical due diligence or onboarding. Produces AUDIT-FINDINGS.md and QUESTIONS.md.
Skill Claude Code
Re-measure dashboard/API endpoints for load-time regressions and decide by checklist if a slow one needs the rs-kit refresher, an index, keyset paging, gzip, or nothing. Use when the user says "sweep dashboard performance", "check if this app needs rs-kit", "re-measure the perf tracker", "is this endpoint a refresher…
Skill Claude CodeCodex
Error handling for Python and TypeScript: error hierarchies, custom exceptions, result types, retries, circuit breakers, error boundaries, logging, user-facing messages.
Skill Claude CodeCodex
Build FastAPI backends with standard patterns, error handling, and testing.
Skill Claude CodeCodex
JavaScript and TypeScript development with ES6+, Node.js, React, and modern web frameworks. Use for frontend, backend, or full-stack JavaScript/TypeScript projects.
Skill Claude Code
LLM applications: prompt engineering, RAG and LLM integration. Use for AI-powered features, chatbots or LLM automation.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: