mcp-builder

Scaffold MCP servers in Python FastMCP and TypeScript MCP SDK.

4|1|Updated Apr 23, 2026
One-click install
npx skills add https://github.com/johnnyasantoss/opencode-config --skill mcp-builder-johnnyasantoss
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/johnnyasantoss/opencode-config/tree/main/skills/mcp-builder
Command: npx skills add https://github.com/johnnyasantoss/opencode-config --skill mcp-builder-johnnyasantoss

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

MCP servers enable LLMs to securely interact with external services through well-designed tools, eliminating the friction of ad-hoc integrations and enabling repeatable, scalable tool usage in production environments.

Core Features & Use Cases

  • Scaffolded templates for Python (FastMCP) and TypeScript (MCP SDK) to bootstrap servers quickly.
  • Tool registration and contract definitions that enforce consistent input/output schemas.
  • Phase-driven guidance covering research, implementation, review, and evaluation to deliver production-grade MCP servers.

Quick Start

Initialize your MCP server project, register a minimal tool, and follow the TypeScript or Python guides to start the server.

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 LLMs interact with external services?▼

To build an MCP server, use scaffolded templates for Python or TypeScript to bootstrap projects, register tools with strict input/output schemas, and apply phase-driven guidance for research, implementation, and review.

What is the best way to structure tool schemas in an MCP server?▼

The best way to structure tool schemas in an MCP server is to enforce consistent contract definitions during tool registration, ensuring secure, well-defined inputs and outputs that enable LLMs to interact predictably with external services.

Does the MCP server scaffolding support both Python and TypeScript?▼

Yes, MCP server scaffolding supports both Python using FastMCP and TypeScript using the MCP SDK, allowing you to bootstrap servers quickly and apply best practices across both technology stacks.

How do I handle errors and pagination when developing MCP servers?▼

Handling errors and pagination when developing MCP servers requires implementing structured schemas and following MCP best practices, ensuring production-grade servers manage external service interactions securely and reliably.

When do I need a production-grade MCP server instead of ad-hoc integrations?▼

You need a production-grade MCP server instead of ad-hoc integrations when you require secure, repeatable, and scalable tool usage for LLMs interacting with multiple external services in production environments.