Teaches modern FastAPI development including REST APIs, Pydantic v2 models, SSE streaming, and ASGI middleware patterns. USE WHEN the user asks to "build a FastAPI app", "create a REST API with FastAPI", "add SSE streaming", "use dependency injection in FastAPI", "define Pydantic models", "stream LLM responses", "add…
Provides git history investigation techniques including blame analysis, bisect workflows, pickaxe search, and reflog recovery for tracing code changes and recovering lost work. USE WHEN the user asks to "find who changed this line", "bisect a regression", "recover a lost commit", "search git history", "find when code…
Guides incremental, rollback-safe framework upgrades and dependency migrations with step-by-step verification. USE WHEN the user asks to "migrate from X to Y", "upgrade to version N", "bump Python version", "upgrade pydantic", "migrate express to fastify", "modernize the codebase", or works with Pydantic v1-to-v2…
Guides measure-first performance investigation using CPU profilers, memory analyzers, flamegraphs, and reproducible benchmarking across Python and Node.js. USE WHEN the user asks to "profile this code", "find the bottleneck", "create a flamegraph", "benchmark this function", "find memory leaks", "check memory usage"…
Teaches PydanticAI agent development with tool decorators, RunContext dependency injection, streaming, and VercelAIAdapter. USE WHEN the user asks to "build a PydanticAI agent", "add tools to an agent", "stream responses with PydanticAI", "test a PydanticAI agent", "connect PydanticAI to Svelte", "configure model…
Teaches behavior-preserving code transformations with a smell-detect, transform, verify cycle and language-specific idioms for Python and TypeScript. USE WHEN the user asks to "refactor this code", "extract a method", "fix code smells", "reduce code duplication", "simplify this class", "break up this large function"…
Provides defense-in-depth security review covering OWASP Top 10, secrets detection, and dependency CVE scanning. USE WHEN the user asks to "check for security issues", "scan for secrets", "audit dependencies for vulnerabilities", "review for injection attacks", "check OWASP compliance", "detect hardcoded credentials"…
Guides Claude Code plugin skill creation covering SKILL.md structure, description optimization, and progressive disclosure. USE WHEN the user asks to "build a skill", "write a SKILL.md", "create a Claude Code skill", "improve a skill description", "optimize skill content", "design skill instructions", or works with…
Teaches SQLite development including WAL mode, FTS5 full-text search, JSON1 queries, and async Python integration with aiosqlite. USE WHEN the user asks to "set up a SQLite database", "use WAL mode", "add full-text search with FTS5", "store JSON in SQLite", "query SQLite with Python", "use better-sqlite3", "use…
Guides Svelte 5 development with runes, SvelteKit SPA configuration, and component architecture. USE WHEN the user asks to "build a Svelte component", "use Svelte 5 runes", "set up a SvelteKit SPA", "migrate from Svelte 4 to 5", "manage state with $state", "add drag and drop to Svelte", or works with $state, $derived…
Guides agent team orchestration with TeamCreate, parallel teammate spawning, task coordination, specialist agent selection, and --teammate-mode configuration for concurrent workstreams. USE WHEN the user asks to "spawn a team", "create a team of agents", "use a swarm", "work in parallel", "coordinate multiple agents"…
Provides testing patterns for FastAPI endpoints and Svelte 5 components using pytest and Vitest. USE WHEN the user asks to "write tests for a FastAPI endpoint", "test a Svelte component", "set up pytest fixtures", "configure Vitest for SvelteKit", "mock dependencies in tests", "test SSE streaming endpoints", or works…
Guides git worktree creation, management, and cleanup for parallel development workflows including EnterWorktree usage, .worktreeinclude setup, and worktree lifecycle. USE WHEN the user asks to "create a worktree", "work in a worktree", "set up parallel branches", "isolate my work", "clean up worktrees", "list…