Agent Skills Hub

backend-dev-guidelines

Backend development guide for Langfuse's Next.js/tRPC/Express monorepo, covering tRPC routers, public API endpoints, BullMQ workers, Prisma/ClickHouse database patterns, and observability.

agentic-quality-engineering

Orchestrate advanced Quality Engineering workflows using a fleet of 19+ AI agents, PACT principles, and automated test-to-deployment quality gates.

skillsdotmd_web

A scaffolding tool for generating production-ready Model Context Protocol (MCP) servers, including boilerplate, typed handlers, schema definitions, and test stubs for AI agent integrations.

pali-me

Automatically keep technical documentation in sync with codebase changes by analyzing git diffs.

jest-testing

Provides Jest testing patterns and best practices for interpreters, parsers, and async TypeScript code in the Lea language repository.

mutation-testing-js

Mutation testing patterns for JS/TS using Stryker. Analyze branch code to find weak or missing tests, verify test effectiveness, and strengthen Node.js test suites.

testing-fundamentals

Implement professional TDD workflows with strict 80% coverage, automated testing strategies, and AAA pattern enforcement for robust, high-quality code.

test-writer

Generates comprehensive, best-practice unit tests for functions and classes, supporting multiple frameworks like pytest, unittest, and jest.

tdd-workflow

A rigorous TDD workflow agent that enforces test-first development, ensuring 80%+ code coverage across unit, integration, and E2E tests for features, bug fixes, and refactoring.

testing-anti-patterns

Enforce high-quality testing practices by identifying and preventing common anti-patterns like mock-testing, test-only production code, and incomplete dependency mocking.

typescript-circular-dependency

Detect and resolve TypeScript/JavaScript circular import dependencies. Solves runtime errors like 'Cannot access X before initialization' and 'undefined' imports caused by module cycle initialization order.

find-skills

Discover and install agent skills to extend your DeerFlow capabilities. Use this to find tools, workflows, or specialized knowledge for tasks like coding, testing, and deployment.