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Three skills guiding developers through MCP server design: - build-mcp-server: entry-point decision guide (remote HTTP vs MCPB vs local) - build-mcp-app: interactive UI widgets rendered in chat - build-mcpb: bundled local servers with runtime Includes reference files for scaffolds, tool design, auth (DCR/CIMD), widget templates, manifest schema, and local security hardening.
mcp-server-dev
Skills for designing and building MCP servers that work seamlessly with Claude.
What's inside
Three skills that compose into a full build path:
| Skill | Purpose |
|---|---|
build-mcp-server |
Entry point. Interrogates the use case, picks deployment model (remote HTTP / MCPB / local stdio), picks tool-design pattern, routes to a specialized skill. |
build-mcp-app |
Adds interactive UI widgets (forms, pickers, confirm dialogs) rendered inline in chat. Works on remote servers and MCPB bundles. |
build-mcpb |
Packages a local stdio server with its runtime so users can install it without Node/Python. For servers that must touch the local machine. |
How it works
build-mcp-server is the front door. It asks what you're connecting to, who'll use it, how big the action surface is, and whether you need in-chat UI. From those answers it recommends one of four paths:
- Remote streamable-HTTP (the default recommendation for anything wrapping a cloud API) — scaffolded inline
- MCP app — hands off to
build-mcp-app - MCPB — hands off to
build-mcpb - Local stdio prototype — scaffolded inline with an MCPB upgrade note
Each skill ships reference files for the parts that don't fit in the main instructions: auth flows (DCR/CIMD), tool-description writing, widget templates, manifest schemas, security hardening.
Usage
Ask Claude to "help me build an MCP server" and the entry skill will trigger. Or invoke directly:
/mcp-server-dev:build-mcp-server