Open-source AI skills for coding agents

HTTP API design. Use when shaping REST/JSON APIs, OpenAPI contracts, versioning, errors, pagination, or reviewing public endpoints.

Cursor agent and skill authoring. Use when writing Cursor Agent Skills, rules, hooks, or automations that guide coding agents in a repo.

Relational database engineering. Use when designing schemas, writing SQL, indexing, migrations, or reviewing Postgres/MySQL data access.

Production-grade Docker and container image engineering. Use when writing Dockerfiles, compose files, image pipelines, or reviewing container build and runtime practices.

GraphQL API engineering. Use when designing schemas, resolvers, DataLoader patterns, auth, or reviewing N+1 and over-fetching issues.

Production-grade Kubernetes engineering. Use when writing or reviewing manifests, workloads, networking, rollouts, and cluster operational practices.

React Native / Expo mobile engineering. Use when building screens, navigation, native modules, performance, or offline-aware mobile UX.

Observability engineering. Use when adding logging, metrics, tracing, SLOs, alerting, or reviewing production signal quality.

Product thinking for engineering teams. Use when clarifying problem statements, scope, acceptance criteria, prioritization, or trade-offs with users and stakeholders.

Quality engineering for software teams. Use when designing test strategy, regression suites, exploratory charters, release gates, or reproducing and isolating defects.

Application security engineering. Use when reviewing authn/z, secrets, threat models, dependency risk, or hardening APIs and infrastructure-as-code.

Production-grade Next.js App Router engineering. Use when building or reviewing Next.js routes, server/client components, caching, data fetching, and deployment behavior.

Production-grade Node.js backend engineering. Use when building or reviewing Node.js APIs, services, workers, and TypeScript server code.

Production-grade Python engineering. Use when building or reviewing Python APIs, services, data tooling, or packaging with type hints and tests.

Production-grade React engineering. Use when building or reviewing React UIs, component structure, state, accessibility, and frontend performance.

Production-grade Spring Boot engineering. Use when building, reviewing, or evolving Java Spring Boot services, APIs, persistence, and operational readiness.

System architecture for software products. Use when designing services, boundaries, data flow, trade-offs, ADRs, or reviewing whether a change fits the current architecture.

Technical writing for engineers. Use when drafting READMEs, API docs, ADRs, runbooks, or clarifying product and developer documentation.

TypeScript engineering. Use when designing types, narrowing, module boundaries, tsconfig, or reviewing typed JS/TS codebases.