Developer Tools & Repos Agent Skills for Claude Code

Route HTTP through Effect boundaries instead of raw fetch.

Replace duplicated TypeScript shape declarations next to Effect Schema definitions with schema-derived types.

Fix lint findings that use untyped JavaScript error handling instead of Effect typed failures.

Replace duplicated object API types with types inferred from the runtime value or factory that owns the shape.

Preserve workspace package boundaries. Use when lint flags relative imports that cross package roots.

Remove TypeScript escape hatches. Use when lint flags @ts-nocheck or similar broad type bypasses.

Analyze staged changes and generate a Conventional Commits message.

Create and manage Claude Code skills in HASH repository following Anthropic best practices.

Write clean, atomic conventional commits from staged or uncommitted changes.

Guide for writing or reviewing PostHog kea logic files (`*Logic.ts` / `*Logic.tsx`).

Use when cutting a modpack release. Creates <project>/docs/release-changelog.md if absent; appends a new version section with grouped…

Create or modify ryOS backend API routes under api/ using the shared apiHandler wrapper, request-auth, Redis, rate limiting, and CORS…

Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates.

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers.

Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications.

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling.

Master Go concurrency with goroutines, channels, sync primitives, and context.

Design microservices architectures with service boundaries, event-driven communication, and resilience patterns.

Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications.

Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns.

Upgrade React applications to latest versions, migrate from class components to hooks, and adopt concurrent features.