mcp-toolkit

This skill should be used when the user asks to "add an app to my MCP server", "add UI to my MCP server", "add a view to my MCP tool", "enrich MCP tools with UI", "add interactive UI to existing server", "add MCP Apps to my server", or needs to add interactive UI capabilities to an existing MCP server that already has tools. Provides guidance for analyzing existing tools and adding MCP Apps UI resources.

This skill should be used when the user asks to "build an MCPB", "create a desktop extension", "package an MCP server", "create an mcpb file", "distribute an MCP server", "bundle my MCP server", "create a local MCP extension", "make an MCP Bundle", or needs guidance on packaging a local MCP server for single-click installation in Claude Desktop. Covers the full workflow from project setup through packing, testing, and signing.

This skill should be used when the user asks to "add MCP App support to my web app", "turn my web app into a hybrid MCP App", "make my web page work as an MCP App too", "wrap my existing UI as an MCP App", "convert iframe embed to MCP App", "turn my SPA into an MCP App", or needs to add MCP App support to an existing web application while keeping it working standalone. Provides guidance for analyzing existing web apps and creating a hybrid web + MCP App with server-side tool and resource registration.

This skill should be used when the user asks to "create an MCP App", "build a new MCP server with a UI", "build an interactive MCP View", "scaffold a new MCP App project", "build an MCP App from scratch", or needs guidance on MCP Apps SDK patterns, UI-resource registration, MCP App lifecycle, or host integration. Provides comprehensive guidance for building MCP Apps with interactive UIs.

This skill should be used when the user asks to "configure manifest.json", "mcpb manifest spec", "manifest.json fields", "user_config in mcpb", "mcpb icon configuration", "set up manifest for desktop extension", "mcpb compatibility settings", "mcpb server types", "mcp_config variables", or needs detailed reference for the manifest.json file used in MCPB desktop extensions. Provides the complete field reference, user_config schema, server type examples, and variable substitution patterns.