mcp-go-sdk-tutorial

layout	default
title	MCP Go SDK Tutorial
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format_version	v2

MCP Go SDK Tutorial: Building Robust MCP Clients and Servers in Go

Learn how to use modelcontextprotocol/go-sdk for production MCP workloads across stdio and streamable HTTP, including auth middleware, conformance, and upgrade planning.

Why This Track Matters

Go is frequently used for high-reliability infrastructure and backend systems. The official Go SDK lets teams implement MCP with strong runtime control, typed handlers, and transport flexibility.

This track focuses on:

• mapping package boundaries (mcp, jsonrpc, auth, oauthex) to architecture decisions
• implementing lifecycle, session, and transport behavior with fewer runtime surprises
• designing safe tool/resource/prompt handlers with schema-aware contracts
• running conformance, troubleshooting, and rough-edge-aware upgrade loops

Current Snapshot (auto-updated)

• repository: modelcontextprotocol/go-sdk
• stars: about 4.3k
• latest release: v1.4.1 (published 2026-03-13)

Mental Model

flowchart LR
    A[Go host app] --> B[mcp.Client + mcp.Server]
    B --> C[CommandTransport or StdioTransport]
    B --> D[Streamable HTTP types]
    D --> E[auth.RequireBearerToken]
    B --> F[Tool resource prompt handlers]

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Chapter Guide

Chapter	Key Question	Outcome
01 - Getting Started and SDK Package Map	Which Go SDK packages should I use first?	Clean dependency baseline
02 - Client/Server Lifecycle and Session Management	How do sessions and initialization flows really work?	Fewer lifecycle bugs
03 - Transports: stdio, Streamable HTTP, and Custom Flows	Which transport model should I deploy and how?	More resilient connectivity
04 - Building Tools, Resources, and Prompts in Go	How do I design server primitives with strong contracts?	Higher interface quality
05 - Client Capabilities: Roots, Sampling, and Elicitation	How do clients expose advanced features safely?	Better client governance
06 - Auth, Security, and Runtime Hardening	How do we secure HTTP deployments and session handling?	Lower security risk
07 - Testing, Troubleshooting, and Rough Edges	How do teams debug and avoid known API traps?	Faster issue resolution
08 - Conformance, Operations, and Upgrade Strategy	How do we verify behavior and keep pace with spec changes?	Stable long-term operations

What You Will Learn

• how to structure Go MCP systems around explicit transport and capability boundaries
• how to implement and test server/client behavior with practical conformance loops
• how to apply auth middleware and security guidance in production HTTP deployments
• how to plan upgrades around SDK rough edges and protocol revision drift

Source References

• Go SDK README
• Features Index
• Protocol Support
• Server Features
• Client Features
• Troubleshooting
• Rough Edges
• Server Conformance Script
• Client Conformance Script

Related Tutorials

• MCP Specification Tutorial
• MCP Python SDK Tutorial
• MCP TypeScript SDK Tutorial
• FastMCP Tutorial

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Start with Chapter 1: Getting Started and SDK Package Map.

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Full Chapter Map

1. Chapter 1: Getting Started and SDK Package Map
2. Chapter 2: Client/Server Lifecycle and Session Management
3. Chapter 3: Transports: stdio, Streamable HTTP, and Custom Flows
4. Chapter 4: Building Tools, Resources, and Prompts in Go
5. Chapter 5: Client Capabilities: Roots, Sampling, and Elicitation
6. Chapter 6: Auth, Security, and Runtime Hardening
7. Chapter 7: Testing, Troubleshooting, and Rough Edges
8. Chapter 8: Conformance, Operations, and Upgrade Strategy

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