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mcp-builder

Design MCP servers with TypeScript or Python, Zod or Pydantic validation, and stdio or HTTP transports.

5|1|Updated Jan 22, 2026
Search Tags:#integration#TypeScript#tooling#mcp#Python#server-development
One-click install
npx skills add https://github.com/Wjiajie/wuxiaX --skill mcp-builder-wjiajie
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/Wjiajie/wuxiaX/tree/main/.agent/skills/mcp-builder
Command: npx skills add https://github.com/Wjiajie/wuxiaX --skill mcp-builder-wjiajie

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill guides developers in creating MCP servers that let LLMs interact with external services through well-defined tools, enabling seamless automation and integration.

Core Features & Use Cases

  • Tool design and registration: Build robust tools with strict input validation, clear descriptions, and structured outputs.
  • Transport and deployment: Choose between stdio for local development and streamable HTTP for remote access, with cross-language support (TypeScript and Python).
  • Use Case: Create an MCP server that aggregates data from a public API and exposes it via tools for LLM-based workflows, such as data enrichment or automated task creation.

Quick Start

Start by scaffolding a minimal MCP server using the provided templates and register a simple tool that echoes input.

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 connect LLMs to external services?▼

You can build an MCP server by scaffolding a minimal server using provided templates, then registering tools that interact with external services. This Skill supports both TypeScript and Python implementations for connecting LLMs to external services.

What is the difference between stdio and streamable HTTP transport for MCP servers?▼

Stdio transport is used for single-client local development, while streamable HTTP supports multi-client remote access. This Skill guides you in choosing the right transport configuration for secure and scalable MCP server deployment.

Can I use TypeScript and Python to develop MCP servers?▼

Yes, this Skill provides cross-language support for MCP server development, covering both TypeScript and Python implementations for tool design, runtime validation, and transport configuration.

How do I validate tool inputs and handle errors in an MCP server?▼

You validate tool inputs and handle errors in an MCP server by enforcing runtime validation via Zod or Pydantic. This Skill ensures structured tool outputs and clear error handling for robust LLM interactions.

What's the best way to expose a public API to an LLM workflow?▼

The best way to expose a public API to an LLM workflow is to create an MCP server that aggregates the API data and exposes it via well-defined tools, enabling tasks like data enrichment or automated task creation.

Do I need the mcp dependency to create tools for LLMs?▼

Yes, the mcp dependency is required. This Skill relies on it to enable developers to design servers that let LLMs interact with external services through registered tools with structured outputs.

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