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mcp-builder

Build MCP servers in Python or TypeScript with type-safe tool schemas.

Updated Mar 12, 2026
Search Tags:#typescript#python#sdk#mcp#server#tools
One-click install
npx skills add https://github.com/alexjcm/agent-skillset --skill mcp-builder-alexjcm
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/alexjcm/agent-skillset/tree/main/skills/tools/mcp-builder
Command: npx skills add https://github.com/alexjcm/agent-skillset --skill mcp-builder-alexjcm

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Creates MCP servers that enable LLMs to interact with external services via well-designed tools and transports.

Core Features & Use Cases

  • Tool registration with type-safe input and output schemas using MCP SDK (Python or TypeScript)
  • Reference-guided patterns for transport (stdio/streamable HTTP) and error handling
  • Examples and best practices for scalable MCP server development

Quick Start

Use this skill to scaffold an MCP server by wiring the MCP SDK, register a small set of tools, and validate with the provided references.

Frequently Asked Questions about mcp-builder

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

FAQPage Schema
How do I build an MCP server to let an LLM interact with external APIs?▼

To build an MCP server, you can use this skill to scaffold implementations with the Python FastMCP or TypeScript MCP SDK. It enforces best practices for tool registration, type-safe schemas, and error handling to enable secure LLM interactions with external services.

What is the best way to define type-safe tools for an MCP server?▼

The best way to define type-safe tools is by using the MCP SDK to register tools with strict input and output schemas. This skill provides reference-guided patterns to ensure your TypeScript or Python implementations validate tool inputs correctly.

Does this MCP server skill support both Python and TypeScript SDKs?▼

Yes, this MCP server skill supports both Python (FastMCP) and TypeScript (MCP SDK) implementations. It provides reference-guided patterns for both environments to help you scaffold servers with well-defined tools and transports.

How do I handle transport patterns like stdio or streamable HTTP in MCP servers?▼

To handle transport patterns in MCP servers, this skill provides reference-guided examples for both stdio and streamable HTTP configurations. It enforces best practices to ensure scalable and robust server development across Python and TypeScript.

What best practices does this skill enforce for scalable MCP server development?▼

For scalable MCP server development, this skill enforces best practices for tool naming, input validation, error handling, and pagination. It provides reference components and scripts to ensure your server interacts safely with external APIs.

Why do I need input validation and error handling when building MCP servers?▼

You need input validation and error handling in MCP servers to enable LLMs to safely interact with external APIs. This skill enforces these best practices through type-safe schemas and reference-guided patterns to prevent runtime errors during tool execution.

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