mcp-builder

Generate MCP server skeletons with typed validation for Python and TypeScript SDKs.

3|Updated Jan 17, 2026

Search Tags:#typescript #python #sdk #mcp #server #builder #tool-registration

Ready to run

npx skills add https://github.com/zircote/agents --skill mcp-builder-zircote

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/zircote/agents/tree/main/skills/mcp-builder
Command: npx skills add https://github.com/zircote/agents --skill mcp-builder-zircote

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

MCP server construction is complex; this Skill provides a guided blueprint and reusable patterns to compose safe, scalable MCP servers that integrate external services via a typed SDK.

Core Features & Use Cases

Provides a reusable MCP server skeleton using the official SDKs for Python and TypeScript
Demonstrates tool registration with Zod/Pydantic schemas, pagination, error handling, and structured outputs
Use cases include building services that expose data via MCP tools and remote transports (stdio, streamable HTTP)

Quick Start

Run the provided example to boot a minimal MCP server using stdio transport.

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 with typed input validation?▼

To build an MCP server with typed input validation, use the official Python or TypeScript SDKs to register tools with Pydantic or Zod schemas. This generates a ready-to-deploy server skeleton with structured outputs and robust error handling.

What's the best way to expose data via MCP tools using streamable HTTP?▼

Exposing data via MCP tools over streamable HTTP is done by configuring the server transport option during tool registration. This Skill provides the necessary blueprint to wire remote transports alongside pagination scaffolding and typed schemas.

Can I use the MCP server builder with both Python and TypeScript SDKs?▼

Yes, the MCP server builder supports both the Python and TypeScript SDKs. It provides reusable patterns for tool registration, schema validation, and transport configuration to deploy scalable servers in either language.

Why do I need pagination scaffolding in my MCP server?▼

Pagination scaffolding is needed in an MCP server to handle large datasets returned by external services without overwhelming the transport. It structures tool outputs systematically, ensuring scalable and safe data exposure via stdio or HTTP.

Does the MCP server skeleton include error handling for tool registration?▼

Yes, the MCP server skeleton includes structured error handling for tool registration. It wires utilities and validation patterns directly into the server blueprint, ensuring safe execution when integrating external services.

How does an MCP server use stdio transport for service integration?▼

An MCP server uses stdio transport to communicate directly over standard input and output streams. This Skill demonstrates booting a minimal server with stdio, providing a foundational pattern for local service integration and tool execution.