Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
smalltalk-debugger
Systematic debugging guide for Pharo Smalltalk development. Provides expertise in error diagnosis (MessageNotUnderstood, KeyNotFound, SubscriptOutOfBounds, AssertionFailure), incremental code execution with eval tool, intermediate value inspection, error handling patterns (`on:do
smalltalk-commenter
Generates CRC-style class comments for Smalltalk classes. Use after creating or modifying Tonel files to add or improve class documentation.
vue
Auto-activate for .vue files, vue.config.js. Expert knowledge for Vue 3 development with TypeScript. Use when: building Vue components (`.vue` files), using Composition API (`<script setup>`), or managing Vue SFC state. Not for React (see react), Svelte (see svelte), or Vue 2 Opt
vite
Auto-activate for vite.config.ts, vite.config.js. Expert knowledge for Vite build tool. Use when: configuring Vite (`vite.config.ts`), creating plugins, managing HMR (Hot Module Replacement), or asset bundling in JS/TS projects. Produces Vite build configurations, plugin setups,
uvicorn
Auto-activate for uvicorn imports, uvicorn CLI commands, ASGI server configuration. Uvicorn ASGI server: worker configuration, event loop selection, SSL, lifespan, logging, programmatic API. Produces uvicorn CLI invocations, Config/Server usage, and deployment configurations. Use
tracer
Auto-activate when tracing execution paths, mapping dependencies, understanding unfamiliar code, following data flow through a system, investigating how a feature works end-to-end, or when debugging requires understanding call chains. Produces an execution map showing the path fr
testing
Auto-activate for test_*.py, *.test.ts, *.spec.ts, conftest.py, vitest.config.ts. Testing with pytest and vitest: fixtures, mocking, coverage, async testing, anyio. Use when: writing or refactoring tests, setting up fixtures/mocks, configuring coverage, or debugging test failures
terraform
Use when creating, adopting, refactoring, or operating Terraform configurations, especially on Google Cloud. Applies to `*.tf`, `.terraform.lock.hcl`, `terragrunt.hcl`, and `terraform` workflows involving repo layout, root modules, backends/state, workspaces versus directories, b
tanstack
Auto-activate for @tanstack/ imports, useQuery, createRouter. Produces TanStack Router, Query, Table, and Form configurations for React applications. Use when: using useQuery, createRouter, React Query, TanStack Table, file-based routing, data fetching, or SPA state management. N
tailwind
Auto-activate for tailwind.config.ts, tailwind.config.js, @tailwind directives. Tailwind CSS v4: utility classes, responsive design, @apply, cn(), @theme config. Use when: styling with Tailwind, writing utility classes, configuring Tailwind v4, or building responsive layouts with
svelte
Auto-activate for .svelte files, svelte.config.js. Expert knowledge for Svelte 5 development with Runes. Use when: building Svelte components (`.svelte` files), using runic states ($state, $derived), or working with SvelteKit. Not for React (see react), Vue (see vue), or Svelte 4
sqlserver
Auto-activate for T-SQL patterns, sqlcmd, SQL Server connection strings. Produces T-SQL queries, stored procedures, indexing strategies, and SQL Server connection patterns. Use when: writing T-SQL queries, optimizing execution plans, configuring SQL Server, setting up Always On A
sqlalchemy
Auto-activate for sqlalchemy imports, mapped_column, DeclarativeBase. Produces SQLAlchemy 2.0+ ORM models, async sessions, engine configurations, and query patterns. Use when: defining SQLAlchemy models, writing ORM queries, configuring engines/sessions, using select() statements
sphinx
Auto-activate for conf.py (Sphinx), .rst files, docs/source/. Produces Sphinx documentation sites with RST, autodoc, themes (Shibuya/Immaterial), and CI/CD integration. Use when: editing conf.py, reStructuredText (.rst), autodoc, readthedocs builds, Shibuya theme, Wasm extensions
shadcn-tools
Flow-specific supplemental patterns for shadcn/ui. Auto-activate for components.json (shadcn config), cn() utility. Tailwind component expertise for shadcn/ui. Use when: using cn() utility, Radix primitives, shadcn add, copy-paste components, component CLI, dialogs, forms, data t
security-auditor
Auto-activate when reviewing code that handles authentication, authorization, user input, secrets, API keys, database queries, file uploads, session management, or external API calls. Produces vulnerability report with OWASP category, severity (Critical/High/Medium/Low), attack v
saq
Auto-activate for saq imports, SAQ task queue configuration. SAQ (Simple Async Queue): async task queues, background jobs, cron scheduling, worker lifecycle. Produces SAQ task definitions, Worker setup, CronJob scheduling, and queue configuration. Use when: defining background ta
rust
Auto-activate for .rs files, Cargo.toml, Cargo.lock. Produces Rust code with workspace architecture, async patterns, FFI bindings (PyO3/napi-rs), and error handling. Use when: writing Rust code, designing cross-platform systems, building Python extensions with PyO3/maturin, build
react
Auto-activate for .tsx, .jsx files, react imports. Expert knowledge for modern React development with TypeScript, including client components, framework-scoped server components, and upgrade-aware best practices. Use when building React components, managing state, or integrating
railway-tools
Flow-specific supplemental patterns for Railway. Auto-activate for railway.toml, railway.json, Procfile. Expert knowledge for Railway deployment platform. Use when deploying applications, configuring services, managing databases, or troubleshooting Railway deployments. Not for He
python
Auto-activate for .py files, pyproject.toml, requirements.txt, setup.py, setup.cfg. Python project conventions and tooling: uv, ruff, mypy, typing, Cython, Mypyc. Use when: configuring Python packages, linting, type-checking, building extensions, or running scripts with uv. Produ
pydantic
Auto-activate for pydantic imports, BaseModel, BaseSettings, pydantic_settings. Pydantic v2 data validation and settings management: field validators, model validators, serialization, TypeAdapter, BaseSettings env config. Produces validated Pydantic models, settings classes, cust
pyapp
Auto-activate for pyapp build config. Build air-gapped, multi-architecture standalone Python executables using PyApp and uv. Use when: bundling Python runtimes for network-isolated environments, patching PyApp defaults, or compiling single-binary assets. Not for PyInstaller, cx_F
postgres
Auto-activate for .sql files, psql commands, postgresql.conf, psycopg/asyncpg imports. Produces PostgreSQL queries, PL/pgSQL functions, indexing strategies, and connection patterns. Use when: writing PostgreSQL queries, optimizing performance, managing security/roles/RLS, configu