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yigitkonur
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build-mcp-server-sdk-v2

Build MCP servers with the v2 split-package SDK using McpServer and registerTool.

Updated Aug 27, 2026
Search Tags:#typescript#migration#mcp#express#hono#server-sdk#zod-v4
One-click install
npx skills add https://github.com/yigitkonur/skills-by-yigitkonur-secondary --skill build-mcp-server-sdk-v2
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: build-mcp-server-sdk-v2
Source: https://github.com/yigitkonur/skills-by-yigitkonur-secondary/tree/main/skills/build-mcp-server-sdk-v2
Command: npx skills add https://github.com/yigitkonur/skills-by-yigitkonur-secondary --skill build-mcp-server-sdk-v2

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill helps developers scaffold and maintain MCP servers using the v2 alpha split-package SDK, ensuring adapters, schemas, and context patterns align with the new v2 paradigm.

Core Features & Use Cases

  • Supports the v2 split-package SDK: server, client, core, and adapters for node/express/hono.
  • Guides when to use v2, how to migrate patterns from v1 to v2, and how to implement adapters.
  • Real-world scenarios include building new MCP servers with v2, upgrading existing v1 code, and wiring tools with ctx.mcpReq patterns.

Quick Start

Create a new MCP v2 server and register a sample tool using the v2 adapters.

Frequently Asked Questions about build-mcp-server-sdk-v2

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

FAQPage Schema
How do I build an MCP server using the v2 alpha SDK?▼

Defining tool schemas in an MCP v2 server requires using full Zod v4 schemas within the ServerContext pattern, utilizing the registerTool method from the McpServer class.

How do I migrate an existing MCP server from v1 to v2?▼

Migrating MCP servers from v1 to v2 requires adopting the split-package SDK, transitioning to the McpServer class, and aligning adapters with the new v2 paradigm.

Can I use Express or Hono adapters with the MCP v2 server SDK?▼

Yes, the MCP v2 SDK supports adapter-based configurations for Node, Express, and Hono, allowing you to integrate servers and wire tools using the ctx.mcpReq pattern.

What is the ServerContext pattern in MCP v2?▼

The ServerContext pattern in MCP v2 is the required structure for defining full Zod v4 schemas and registering tools, enforced by the McpServer class to ensure alignment.

Why do I need Zod v4 schemas for my MCP v2 server?▼

Zod v4 schemas are required in MCP v2 servers to define tool inputs within the ServerContext pattern, ensuring type safety and validation across the split-package SDK.

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