mcp-builder

Design and implement MCP servers in Python and TypeScript.

Updated Mar 6, 2026

Search Tags:#typescript #python #tooling #mcp #server #best-practices #api-integration

Ready to run

npx skills add https://github.com/decebal/decebal-claude-skills --skill mcp-builder-decebal

💬 Prompt for ChatGPT / Claude Chat▼

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

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

MCP servers enable LLMs to interact with external services through well-designed tools, exposing safe, structured interfaces that support scalable automation.

Core Features & Use Cases

End-to-end MCP server design and implementation across Python (FastMCP) and Node/TypeScript (MCP SDK), including tool registration, input/output schemas, and error handling.
Guidance on transport configurations, resource exposure, pagination, and security to support production-grade integrations.
Templates, checklists, and references to accelerate onboarding, testing, and evaluation of MCP servers in real-world workflows.

Quick Start

Scaffold a new MCP server using the provided templates and register two example tools to validate the setup.

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 TypeScript or Python?▼

You build an MCP server using the MCP SDK for TypeScript or FastMCP for Python by registering tools, defining schemas, and handling errors to enable secure LLM interactions.

What are the best practices for MCP server security and transport configuration?▼

MCP server best practices include configuring transports securely, exposing resources with proper pagination, and enforcing clear schemas. Following these practices ensures production-grade integrations and safe LLM interactions with external services.

Can I use FastMCP to expose external APIs to LLMs?▼

Yes, you can use FastMCP in Python to expose external APIs to LLMs. The skill provides end-to-end design guidance for registering tools, defining schemas, and handling errors to support scalable automation and production-grade integrations.

What is the best way to structure input and output schemas for MCP tools?▼

The best way to structure MCP tool schemas is to enforce clear input and output definitions with comprehensive documentation. This approach ensures safe, structured interfaces that enable LLMs to interact with external services efficiently and reliably.

Do I need specific templates to start building an MCP server?▼

You do not need external templates to start building an MCP server. This skill provides built-in templates, checklists, and references to scaffold new servers, register example tools, and validate your setup for real-world workflows.

Why does my MCP server integration fail during production deployment?▼

MCP server integrations often fail due to missing quality checks or improper transport configurations. Applying production-grade checks, clear schemas, and comprehensive documentation ensures reliable deployments and prevents integration failures.