MCP Server Builder

Generate MCP server scaffolds and validate tool definitions from OpenAPI specifications.

Updated Mar 4, 2026

Search Tags:#openapi #validation #mcp #api integration #server generation #code scaffold

Ready to run

npx skills add https://github.com/Tonybleything76/more-claude-skills --skill mcp-server-builder-tonybleything76

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Please help me install this Agent Skill.
Skill: MCP Server Builder
Source: https://github.com/Tonybleything76/more-claude-skills/tree/main/engineering/mcp-server-builder
Command: npx skills add https://github.com/Tonybleything76/more-claude-skills --skill mcp-server-builder-tonybleything76

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates the creation of MCP servers from OpenAPI contracts, ensuring consistency, quality, and faster development cycles for AI-powered API integrations.

Core Features & Use Cases

OpenAPI to MCP Scaffold: Generates tool_manifest.json and starter server code (Python or TypeScript) from an OpenAPI specification.
MCP Tool Validation: Validates MCP tool definitions against common production issues, enforcing naming, descriptions, and schema consistency.
Use Case: You have an existing REST API defined by an OpenAPI spec. Use this Skill to quickly generate an MCP server that exposes these API endpoints as tools for an AI agent, complete with validation checks.

Quick Start

Generate an MCP server scaffold from your OpenAPI contract file named 'api_spec.json'.

Frequently Asked Questions about MCP Server Builder

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

FAQPage Schema

How do I generate an MCP server from an OpenAPI specification?▼

You can generate an MCP server from an OpenAPI specification by using this Skill to automatically scaffold starter server code and a tool_manifest.json directly from your API contract file.

What is MCP tool validation and why is it needed for AI agent API integrations?▼

MCP tool validation checks your generated tool definitions against common production issues, enforcing naming, descriptions, and schema consistency to ensure robust API integrations for AI agents.

Can I scaffold MCP servers in both Python and TypeScript from an OpenAPI contract?▼

Yes, you can scaffold MCP servers in both Python and TypeScript runtimes from an OpenAPI contract, ensuring consistent code generation and integrated validation checks across either environment.

What is the best way to expose REST API endpoints as tools for an AI agent?▼

The best way to expose REST API endpoints as tools for an AI agent is to automate MCP server generation from your existing OpenAPI spec, complete with validation checks and a generated tool_manifest.json.

Does MCP server generation work without adding external dependencies to my project?▼

Yes, MCP server generation works without adding external dependencies, as this Skill uses internal Python scripts to validate tool definitions and scaffold code directly from your OpenAPI specifications.