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Jeffallan
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mcp-developer

Build MCP servers and clients using JSON-RPC 2.0 with TypeScript and Python SDKs.

10.9k|1.0k|Updated Oct 20, 2025
Search Tags:#MCP#resources#JSON-RPC#tools#Model Context Protocol#Claude integration
One-click install
npx skills add https://github.com/Jeffallan/claude-skills --skill mcp-developer-jeffallan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-developer
Source: https://github.com/Jeffallan/claude-skills/tree/main/skills/mcp-developer
Command: npx skills add https://github.com/Jeffallan/claude-skills --skill mcp-developer-jeffallan

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps build MCP servers/clients to connect AI with tools via MCP protocol.

Core Features & Use Cases

  • Protocol compliance: JSON-RPC 2.0 MCP handling.
  • SDKs: TypeScript/Python tool wiring and resource providers.
  • Security: Input validation and authentication.

Quick Start

Implement a minimal MCP server exposing a simple tool.

Frequently Asked Questions about mcp-developer

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

FAQPage Schema
How do I build an MCP server to connect Claude with external tools?▼

MCP servers expose tools and resources via JSON-RPC 2.0 protocol. Use the TypeScript or Python SDK to define tools with input validation (Zod/Pydantic), implement authentication, and deploy via stdio, HTTP, or SSE transports. Claude connects through the configured transport to invoke your tools.

What's the difference between MCP servers and clients?▼

MCP servers provide tools and resources that Claude consumes; MCP clients consume those resources. Both implement JSON-RPC 2.0 message handling. You build servers to expose capabilities; clients connect to external MCP servers to integrate their functionality into Claude.

Can I use MCP with both TypeScript and Python?▼

Yes. MCP SDKs for TypeScript and Python both support protocol-compliant server and client implementation. Choose the SDK matching your service language; both handle JSON-RPC 2.0, resource providers, tool definitions, and authentication identically.

How do I secure an MCP server against unauthorized access?▼

Implement authentication and authorization checks in your server logic. Validate all inputs using Zod (TypeScript) or Pydantic (Python) schemas, apply rate limiting, handle errors robustly, and log access. The SDK provides hooks to enforce these controls before tools execute.

What transport options does MCP support for Claude integration?▼

MCP supports stdio, HTTP, and SSE (Server-Sent Events) transports. Stdio works for local tools; HTTP and SSE enable remote server connections. Choose based on deployment model—stdio for in-process integration, HTTP/SSE for hosted services.

Do I need to write custom JSON-RPC handling for MCP?▼

No. The TypeScript and Python SDKs handle JSON-RPC 2.0 message framing, request/response routing, and error handling internally. You define tools and resources; the SDK manages protocol compliance automatically.

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