mcp-ruby-sdk-tutorial

layout	title	nav_order	has_children	format_version
default	MCP Ruby SDK Tutorial	171	true	v2

MCP Ruby SDK Tutorial: Building MCP Servers and Clients in Ruby

Learn how to implement MCP server/client workflows with modelcontextprotocol/ruby-sdk, including tool/prompt/resource registration, streamable HTTP sessions, structured logging, and release operations.

Why This Track Matters

Ruby teams need a practical MCP SDK that can power local tools, Rails integrations, and HTTP-deployed services. The official Ruby SDK provides a concise server/client model with schema-aware tool handling, notifications, and streamable HTTP support.

This track focuses on:

• establishing a safe gem/runtime baseline and capability model
• implementing tools, prompts, and resources with schema discipline
• operating stdio and streamable HTTP transports (stateful and stateless)
• integrating release, security, and production readiness workflows

Current Snapshot (auto-updated)

• repository: modelcontextprotocol/ruby-sdk
• stars: about 739
• latest release: v0.7.1 (published 2026-02-21)

Mental Model

flowchart LR
    A[Ruby app] --> B[MCP::Server]
    A --> C[MCP::Client]
    B --> D[tools prompts resources]
    B --> E[stdio or streamable-http]
    C --> E
    B --> F[notifications + logging]

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Chapter Guide

Chapter	Key Question	Outcome
01 - Getting Started and Gem Baseline	What is the safest way to start an MCP Ruby project?	Clean runtime baseline
02 - Server Architecture and Capability Negotiation	How does MCP::Server negotiate and expose protocol capabilities?	Better server foundations
03 - Tools, Prompts, Resources, and Schema Discipline	How should server primitives be modeled and validated?	Higher implementation quality
04 - Notifications, Logging, and Observability	How do I deliver list-change and logging events safely?	Better runtime visibility
05 - Transports: stdio, Streamable HTTP, and Session Modes	Which transport mode best fits local vs distributed deployments?	Clear transport strategy
06 - Client Workflows, HTTP Integration, and Auth Considerations	How do Ruby clients interact with MCP services over HTTP?	Stronger client integrations
07 - Quality, Security, and Release Workflows	How do teams keep Ruby MCP deployments secure and stable?	Lower operational risk
08 - Production Deployment and Upgrade Strategy	How do you operate and evolve Ruby MCP services in production?	Long-term maintainability

What You Will Learn

• how to model Ruby MCP server/client responsibilities with protocol-aware boundaries
• how to implement primitives and notifications without drifting from spec behavior
• how to choose and run transport/session modes by operational context
• how to use changelog and release automation signals for safer upgrades

Source References

• Ruby SDK README
• Ruby SDK Examples
• Ruby SDK Changelog
• Ruby SDK Release Process
• RubyGems Package

Related Tutorials

• MCP Specification Tutorial
• MCP TypeScript SDK Tutorial
• MCP Python SDK Tutorial
• MCP Swift SDK Tutorial

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Start with Chapter 1: Getting Started and Gem Baseline.

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Full Chapter Map

1. Chapter 1: Getting Started and Gem Baseline
2. Chapter 2: Server Architecture and Capability Negotiation
3. Chapter 3: Tools, Prompts, Resources, and Schema Discipline
4. Chapter 4: Notifications, Logging, and Observability
5. Chapter 5: Transports: stdio, Streamable HTTP, and Session Modes
6. Chapter 6: Client Workflows, HTTP Integration, and Auth Considerations
7. Chapter 7: Quality, Security, and Release Workflows
8. Chapter 8: Production Deployment and Upgrade Strategy

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