mcp-builder

Scaffold MCP servers with tool registration, validation, and error handling.

Updated Mar 5, 2026

Search Tags:#typescript #python #validation #mcp #server #tool-registration

Ready to run

npx skills add https://github.com/Xerrion/opencode --skill mcp-builder-xerrion

💬 Prompt for ChatGPT / Claude Chat▼

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

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires mcp, anthropic.

What problem does it solve?

MCP server development can be verbose and error-prone; this Skill provides a cohesive blueprint to scaffold, register tools, validate inputs, and enforce best practices for MCP servers across TS and Python environments.

Core Features & Use Cases

Scaffold a production-ready MCP server structure for both TypeScript and Python ecosystems.
Demonstrate robust tool registration patterns, input validation via Zod/Pydantic, and consistent error handling.
Provide guidance and templates for tool metadata, pagination, structured outputs, and transport configuration to accelerate real-world integrations.

Quick Start

Create a new MCP server scaffold for your service using the recommended TS and Python patterns and add a basic tool as a starting point.

Frequently Asked Questions about mcp-builder

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

FAQPage Schema

How do I scaffold a production-ready MCP server in TypeScript or Python?▼

To scaffold an MCP server, use this Skill to generate a production-ready structure for both TypeScript (MCP SDK) and Python (FastMCP) environments, covering server setup, tool registration, and secure transport configuration.

What is the best way to register tools and validate inputs in an MCP server?▼

The best way to register tools in an MCP server is by using standardized naming and structured outputs, validating inputs robustly with Zod for TypeScript or Pydantic for Python, and enforcing consistent error handling patterns.

Does MCP server development support both Python and Node TypeScript environments?▼

Yes, MCP server development supports both Python (FastMCP) and Node/TypeScript (MCP SDK) environments, providing cohesive blueprints, templates, and reference materials to accelerate integrations across both ecosystems.

How do I handle pagination and structured outputs when building MCP servers?▼

To handle pagination and structured outputs in MCP servers, apply the provided templates and guidance which enforce standardized tool metadata and structured formatting to ensure reliable external service interactions.

Why does MCP server development require standardized tool naming and error handling?▼

MCP server development requires standardized tool naming and error handling because without cohesive blueprints, orchestrating LLM interactions with external services becomes verbose, error-prone, and difficult to maintain in production.

What do I need to configure secure transport for an MCP server?▼

To configure secure transport for an MCP server, apply the enforced transport configuration patterns provided by the Skill, ensuring that external service interactions maintain security and production-grade reliability standards.