mcp-builder · anthropics/skills
Build high-quality MCP servers to connect external APIs
Guides the design and implementation of Model Context Protocol servers in Python or TypeScript, covering tool naming, error messages, and context-efficient responses, useful when integrating an external API or service so an LLM can call it through well-designed tools.
Good for
- Design MCP tool names and API coverage
- Write context-efficient MCP tool responses
- Implement an MCP server in Python or TypeScript
- Source repository
- anthropics/skills
- Category
- Coding
Open-source skills are maintained by their authors and listed as published, with attribution. Results depend on how well the skill fits your task and material.
A good place to start
Help me build an MCP server in TypeScript that exposes our internal API as tools for an LLM to call.

Make your next great thing.
Bring a question, a file, or an idea that’s not quite there yet.