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Found 5,540 Skills
Use when working with Cloudflare R2 object storage, D1 SQLite database, KV, or Workers integration - covers bindings, limits, gotchas, and best practices
A guide to creating effective Skills. This Skill should be used when users want to create new Skills (or update existing ones) to extend Claude's capabilities, including expertise, workflows, or tool integrations.
Verify milestone achievement against its definition of done, checking requirements coverage, cross-phase integration, and end-to-end flows. Triggers include "audit milestone", "verify milestone", "check milestone", and "milestone audit". This skill reads existing phase verification files, aggregates technical debt and gaps, and spawns an integration checker for cross-phase wiring.
Comprehensive knowledge of Claude Agent SDK architecture, tools, hooks, skills, and production patterns. Auto-activates for agent building, SDK integration, tool design, and MCP server tasks.
Provides comprehensive guidance for Vitest testing framework including fast test execution, Vite integration, component testing, mocking, and configuration. Use when the user asks about Vitest, needs to write fast unit tests, test Vue/React components, or configure Vitest with Vite projects.
Build checkout and payment experiences using Primer's web components. Use this skill when implementing payment flows, checkout pages, card forms, or integrating Primer SDK into React, Next.js, or vanilla JavaScript applications. Covers component usage, React integration patterns, stable object references, event handling, SSR support, and CSS theming.
Provides comprehensive guidance for Angular framework including components, modules, services, dependency injection, routing, forms, and TypeScript integration. Use when the user asks about Angular, needs to create Angular applications, implement Angular components, or work with Angular features.
Apply billing and security best practices for payment/auth integrations. Invoke when: setting up Stripe/Clerk/auth, debugging payment issues, configuring webhooks, before prod deployment, after billing incidents.
Vercel platform overview for onboarding, projects, CLI, Git integration, environment variables, project configuration, REST API, and webhooks. Use when planning or operating workloads on Vercel.
Expert quality gate decisions for iOS/tvOS: which gates matter for your project size, threshold calibration that catches bugs without blocking velocity, SwiftLint rule selection, and CI integration patterns. Use when setting up linting, configuring CI pipelines, or calibrating coverage thresholds. Trigger keywords: SwiftLint, SwiftFormat, coverage, CI, quality gate, lint, static analysis, pre-commit, threshold, warning
Bidirectional integration validation where two repositories validate each other before release. TRIGGERS - symmetric dogfooding, bidirectional testing, cross-repo validation, reciprocal testing, polyrepo integration.
Building MCP (Model Context Protocol) servers for Claude extensibility. Use when creating MCP servers, building custom Claude tools, extending Claude with external integrations, or developing tool packages for Claude Desktop.