MCP Builder Skill

This skill provides Model Context Protocol development guidance.

MCP Fundamentals

• Protocol specification (JSON-RPC 2.0)
• Server capabilities (tools, resources, prompts)
• Client-server communication
• Transport mechanisms (stdio, SSE, WebSocket)

Server Development

• Tool definitions with JSON Schema
• Resource templates and URIs
• Prompt templates and arguments
• Error handling and progress notifications
• Authentication and authorization

Integration Patterns

• Local-first MCP servers
• Remote MCP services
• Proxy and gateway patterns
• Capability negotiation
• Session management

Ecosystem

• Popular MCP servers (filesystem, github, postgres, etc.)
• Client compatibility (Claude, Cursor, Codex, etc.)
• SDKs and frameworks
• Testing and debugging tools