Use when building MCP servers or clients that connect AI systems with external tools and data sources. Invoke for MCP protocol compliance, TypeScript/Python SDKs, resource providers, tool functions. Keywords: MCP, Model Context Protocol, Claude integration, JSON-RPC.
Install
npx skills add Jeffallan/claude-skills --skill mcp-developernpx skills add Jeffallan/claude-skills --skill mcp-developer -a claude-code -gnpx skills add Jeffallan/claude-skills --skill mcp-developer -a codex -ggemini skills install https://github.com/Jeffallan/claude-skills.git --path skills/mcp-developergh skill install Jeffallan/claude-skills mcp-developergit clone --depth 1 https://github.com/Jeffallan/claude-skills /tmp/Jeffallan__claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Jeffallan__claude-skills/skills/mcp-developer ~/.claude/skills/mcp-developer # Claude Code
cp -R /tmp/Jeffallan__claude-skills/skills/mcp-developer ~/.agents/skills/mcp-developer # Codex, Cursor, Gemini CLI, Copilot, OpenCode