Developer Tools & Repos Agent Skills for HTTP / API

myfy UserModule for authentication with email/password, OAuth, sessions, and JWT.

Use as the FIRST action on any research, investigation, or codebase-understanding request — "research X", "investigate X", "look into X"…

Router for systems-as-experience - emergence, sandbox, optimization, discovery, narrative, modding

Use when you need to run interactive CLI tools (vim, git rebase -i, Python REPL, etc.) that require real-time input/output - provides…

Validation agent that validates plan tech choices against current best practices

MANDATORY: Run before git push --force, rebase, or reset to verify safety

Vehicle simulation skill for wheel colliders, suspension, and aerodynamics.

React and Next.js performance optimization guidelines from Vercel Engineering.

Pre-commit auto-formatters can sweep concurrent agents' unstaged work into your commit when stash/restore mishandles a mixed working tree.

Meta-skill for creating and managing Claude Code skills

Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging.

Self-contained app generator — invoke this skill directly, do not decompose into sub-steps.

Self-contained parallel generator — invoke directly, do not decompose.

Reconstructs physical scenes and calculates environmental data through a specialized internal monologue persona inspired by Disco Elysium.

Walk through PR changes from the user's perspective.

Automatically discover WebAssembly skills when working with WebAssembly, WASM, WASI, wasm-bindgen, Rust to WASM, wasm-pack, or browser…

Use when building web services. Keywords: web server, HTTP, REST API, GraphQL, WebSocket, axum, actix, warp, rocket, tower, hyper…

Designs reliable webhook systems with proper delivery guarantees, retry logic, signature verification, and idempotent processing for…

Guides backend system design with clean architecture, layered service/repository patterns, caching strategies, and resilience practices…

Designs ethical engagement systems for wellness apps — onboarding, habit loops, streaks, re-engagement, and push strategy that serve user…

Expert guidance on Swift best practices, patterns, and implementation.