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mcp-builder

Scaffold MCP servers and register typed tools with Python and TypeScript SDKs.

Updated Mar 31, 2026
Search Tags:#typescript#python#sdk#mcp#tool-registration#mcp-builder
One-click install
npx skills add https://github.com/StarrySerendipity/N.E.K.O --skill mcp-builder-starryserendipity
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/StarrySerendipity/N.E.K.O/tree/main/.agent/skills/mcp-builder
Command: npx skills add https://github.com/StarrySerendipity/N.E.K.O --skill mcp-builder-starryserendipity

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires mcp, and includes scripts (resource) components.

What problem does it solve?

The MCP-builder skill guides developers to scaffold MCP servers and register well-typed tools using the MCP Python and TypeScript SDKs, streamlining setup and ensuring best practices are followed.

Core Features & Use Cases

  • Scaffolding: Generates project skeletons for Python FastMCP or TypeScript MCP servers, including transport configuration and basic tool scaffolds.
  • Typed Tool Registration: Demonstrates how to define input schemas (Pydantic/Zod) and annotate tools with descriptive metadata for robust, discoverable APIs.
  • Transport & Architecture Guidance: Covers stdio and streamable HTTP transports, error handling patterns, and modular design to enable scalable MCP ecosystems.
  • Evaluation & Quality: Provides guidelines and templates for evaluating MCP servers using the included evaluation harness and best-practices references.

Quick Start

Create a new mcp-builder project using the scaffold templates and start the local server to expose a minimal MCP with one sample tool.

Frequently Asked Questions about mcp-builder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I scaffold an MCP server with TypeScript or Python?▼

This skill scaffolds MCP servers by generating project skeletons for Python FastMCP or TypeScript, including transport configuration and basic tool scaffolds to streamline initial setup.

What is the best way to register well-typed tools in an MCP server?▼

Registering well-typed tools requires defining input schemas using Pydantic or Zod and annotating them with descriptive metadata, which this skill enforces to ensure robust and discoverable APIs.

Can I run MCP servers over streamable HTTP or stdio?▼

Yes, MCP servers can run via stdio or streamable HTTP transports. This skill provides architecture guidance and error handling patterns for both transport configurations.

Do I need the official MCP SDK to build production-grade MCP services?▼

You need the MCP Python or TypeScript SDK to build production-grade MCP services. This skill targets developers using these SDKs to integrate with external APIs and enforce best practices.

How do I evaluate MCP servers for quality and best practices?▼

Evaluating MCP servers involves using provided guidelines, templates, and an evaluation harness. This skill supplies best-practices references to validate tool design, input validation, and error handling.

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