mcp-builder

Develop MCP servers with SDK patterns and evaluation harnesses in TypeScript or Python.

1|Updated Jun 30, 2026
One-click install
npx skills add https://github.com/Itinerant18/Urban-assist --skill mcp-builder-itinerant18
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/Itinerant18/Urban-assist/tree/main/.cursor/skills/mcp-builder
Command: npx skills add https://github.com/Itinerant18/Urban-assist --skill mcp-builder-itinerant18

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill streamlines the creation of Model Context Protocol (MCP) servers, enabling LLMs to interact with external APIs and services through standardized, high-quality tools.

Core Features & Use Cases

  • Standardized Tooling: Provides a structured workflow for designing, implementing, and testing MCP servers in TypeScript or Python.
  • Evaluation Harness: Includes a built-in evaluation framework to verify that LLMs can effectively use your tools to solve complex, real-world problems.
  • Use Case: If you need to connect an LLM to a proprietary internal API, use this Skill to build a secure, well-documented MCP server that allows the model to query data and perform actions reliably.

Quick Start

Use the mcp-builder skill to initialize a new TypeScript MCP server project structure for the target API.

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 for LLM tool integration?

To build an MCP server for LLM tool integration, you follow a structured workflow for designing, implementing, and testing servers in TypeScript or Python. This Skill provides architectural guidance and SDK patterns to create tool-based integrations for external APIs.

Can I use Python and TypeScript to create Model Context Protocol servers?

Yes, you can use Python and TypeScript to create Model Context Protocol servers. The Skill supports both programming environments, providing specific SDK implementation patterns to ensure structured input validation and standardized tool naming for your integrations.

How do I verify if an LLM can effectively use my API integration tools?

You verify if an LLM can effectively use API integration tools by running an automated evaluation harness. This Skill includes a built-in evaluation framework to test and verify that models can reliably use your tools to solve complex, real-world problems.

What is the best way to standardize tool naming and input validation for LLM APIs?

The best way to standardize tool naming and input validation is by using a structured development workflow with architectural guidance. This Skill satisfies requirements for standardized tool naming and structured input validation when creating tool-based API integrations.

How do I connect an LLM to a proprietary internal API securely?

You connect an LLM to a proprietary internal API securely by building a well-documented MCP server. This Skill streamlines the creation of these servers, allowing the model to query data and perform actions reliably through standardized, high-quality tools.

Do I need the Anthropic SDK to initialize a TypeScript MCP server project?

Yes, you need the Anthropic SDK and MCP dependencies to initialize a TypeScript MCP server project. The Skill uses these dependencies to provide the architectural guidance and implementation patterns required for building tool-based integrations.