Master Go development using production-grade best practices merged from the Google and Uber style guides. Use whenever writing backend Go microservices, designing APIs, handling errors, managing goroutines, or configuring linters. Keywords: channels, context propagation, go.mod, Go generics. Do NOT trigger for generic…
GraphQL best practices. Use when designing GraphQL schemas, writing resolvers, handling mutations, avoiding N+1 query problems (DataLoader), or configuring GraphQL servers. NOT for REST APIs, generic database design, or ORM setups.
Hono framework best practices. Use when building, reviewing, or debugging Hono applications, especially on Cloudflare Workers. Covers routing, middleware, context (c), and RPC patterns. Do NOT trigger for generic 'build a server' requests unless Hono or Cloudflare Workers is explicitly requested.
Guided database pruning and optimization workflows for memory-journal-mcp. Uses importance scores, relationship density, and entry metadata to identify low-value entries for safe soft-deletion. Includes dry-run previews, backup gates, and revert guidance. Use when the user says "clean up the database", "optimize…
Master modern LLM application engineering patterns. Use when designing prompt chains, evaluating output quality, managing token limits, streaming responses, or integrating LLMs into full-stack applications. SECURITY: Always sanitize user input before passing to LLM prompts to prevent prompt injection.
Monorepo architecture and configuration standards. Use when working with Turborepo, pnpm workspaces, npm workspaces, or configuring shared packages, tsconfig bases, and internal dependencies. NOT for generic package management or single-package repositories. Require explicit monorepo context.
Patterns for multi-agent systems and agentic workflows. Use when designing systems where multiple AI agents collaborate, delegate tasks, or follow structured workflows (e.g. Plan-and-Execute).
Use when designing, querying, or managing a MySQL or MariaDB database. Enforces enterprise production rules for query safety (strict parameterization), connection pooling, and strict schema configurations (STRICTTRANSTABLES). MUST-ASK: Require explicit database engine name before triggering. Never guess. Do NOT…
Next.js and React performance optimization best practices - file conventions, RSC boundaries, data patterns, async APIs, Core Web Vitals, and bundle size. NOT for granular component caching strategies (use next-cache-components).
Next.js 16 Cache Components guidance. Use when refactoring React Server Components for performance, debugging Partial Prerendering (PPR) issues, or applying the use cache directive, cacheLife, cacheTag, updateTag, and revalidateTag. Also use when deciding whether data should be static, cached, or dynamic, or when…
Upgrade Next.js to a specific target version using safe dependency bumps, codemods, and diff reviews. Use when you need to execute major version bumps, resolve breaking changes, "upgrading Next.js", "migrate to Next.js 15 or 16", or safely "run @next/codemod" against the repository before upgrading.
Node.js core runtime standards. Use when working with native Node.js APIs like streams, buffers, childprocess, workerthreads, filesystem, or event loop tuning. Do NOT trigger for generic 'build a server' requests unless the platform/language is explicitly specified.
Observability standards using OpenTelemetry. Use when instrumenting applications for distributed tracing, metrics, and structured logging. NOT for Cloudflare Workers observability (use workers-best-practices). NOT for performance optimization - use adversarial-performance or web-perf. SECURITY: Ensure sensitive…
Comprehensive, opinionated guidance for Playwright test development. Use ONLY when writing E2E, browser tests, UI tests, API, component, or visual tests, debugging failures, implementing Page Object Model, or configuring CI/CD. For unit tests, use vitest-standard. Use Playwright solely for E2E, API, and component…
Use when designing, querying, or managing a PostgreSQL database. Enforces enterprise production rules for advanced querying, composite indexing, JSONB data handling, and strict optimization patterns (avoiding N+1). Keywords: PostgreSQL query, JSONB, pg, pgvector, RLS, Postgres migration. MUST-ASK: Require explicit…
Master modern Python development with production-grade tooling and idioms. Use when writing Python code, configuring project structure, managing dependencies with uv, linting with ruff, adding type hints, writing pytest tests, or building FastAPI/Django/Flask applications. Triggers on "Python", "FastAPI", "Django"…
Best practices for Retrieval-Augmented Generation (RAG) pipelines. Use when working with vector databases, embeddings, chunking strategies, semantic search, or hybrid search architectures.
Redis best practices. Use when configuring caching strategies, connection pooling, handling TTLs (Time-To-Live), or managing Redis data structures (Hash, Set, List) in Node/TypeScript projects. MUST-ASK: Require explicit database engine name before triggering. Never guess. Do NOT use for generic "set up a database" or…
Render platform deployment and management best practices. Use when configuring render.yaml (Blueprint specs), deploying web services, background workers, cron jobs, or managing Render PostgreSQL/Redis instances. NOT for AWS, GCP, Azure, or generic container orchestration. Do NOT trigger for generic "deploy my app"…
Master production Rust code, lifetimes, and systems programming using a layer-based "meta-cognition" framework. Use whenever writing production Rust code, resolving borrow checker errors (E0382, E0596), designing ownership patterns (Arc, Mutex), or performing crate selection. Do NOT trigger for generic WASM or TS…
Use when adding, customizing, or structuring shadcn/ui components in a project. Also use when dealing with components.json, Tailwind configuration for shadcn, or component registries. Use when working with shadcn/ui, components.json, lucide-react, radix-ui, or Tailwind component registries.
Guide for creating, evaluating, and refining agent skills (.md files with YAML frontmatter). Use this skill whenever you are creating a new skill, improving an existing skill, reviewing skill quality, writing skill descriptions, or when the user asks about skill structure, progressive disclosure, or best practices for…
Enforced meta-cognitive rules and production configurations for SQLite development. Use when designing SQLite schemas, PRAGMAs, transactions, migrations, locking, or backups. Also use when debugging SQLite performance or writing queries against an SQLite database. MUST-ASK: Require explicit database engine name before…
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At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: