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Use this skill when building Model Context Protocol (MCP) servers on Cloudflare Workers. This skill should be used when deploying remote MCP servers with TypeScript, implementing OAuth authentication (GitHub, Google, Azure, etc.), using Durable Objects for stateful MCP servers, implementing WebSocket hibernation for cost optimization, or configuring dual transport methods (SSE + Streamable HTTP).

Research existing solutions when exploring a new problem space. Use when the user mentions "prior art", "existing solutions", "what libraries exist for", or wants to understand the landscape before building.

Refining issues with technical context and structured details. Use when expanding a brief bug, feature, or refactor description into a detailed issue suitable for developers and AI agents.

watchOS platform-specific development with complications, workouts, HealthKit, and Watch Connectivity. Use when building Apple Watch apps, health features, or iPhone-Watch communication.

Maximum visual excellence for any UI platform. Use when building user interfaces, styling components, or polishing visual elements.

Use when developing with NATS messaging, deploying or embedding a NATS server, working with JetStream streams/consumers/KV/object-store, configuring NATS security or clustering, or building microservices on the NATS protocol

Guide for creating effective skills. Use when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Drives feature work and bug fixes through a tight failing-test-first loop. Trigger when implementing, fixing, or refactoring behavior in a codebase that already has tests. Skip for spikes, visual-only edits, throwaway scripts, and generated files.

Security audit with Sentinel. Checks for vulnerabilities, secrets, dependencies, and security best practices. Use before shipping or when working on auth/crypto/sensitive areas.

Type-safe ORM for Cloudflare D1 databases using Drizzle. This skill provides comprehensive patterns for schema definition, migrations management, type-safe queries, relations, and Cloudflare Workers integration. Use when: building D1 database schemas, writing type-safe SQL queries, managing database migrations with Drizzle Kit, defining table relations, implementing prepared statements, using D1 b

SOLID principles for React 19. Files < 100 lines, hooks separated, interfaces in src/interfaces/, JSDoc mandatory. Use for React architecture and code quality.

Confluence CQL search + space list + saved-filter + export via the confluence-as wrapper. Triggers: 'search confluence', 'find pages where X', 'cql for ...', 'export search results', 'list spaces', 'manage saved filters'. CQL injection-safe via the shared sanitizer. NOT for single-page CRUD (mk:confluence-page); NOT for bulk write ops (mk:confluence-bulk).