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ruby-sdk
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ruby-sdk

Active·★ 937·NOASSERTION·Updated 2026-10-21
★ Trending

The MCP Ruby SDK provides official support for building and interacting with Model Context Protocol servers and clients. It offers a comprehensive set of features including JSON-RPC handling, tool/prompt/resource management, and various transport layers, facilitating the integration of LLM-powered applications.

ruby-sdk sits in the Dev Tooling category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Implements JSON-RPC 2.0 message handling for server-client communication.. A representative use case is Developing custom MCP servers to expose AI capabilities (tools, prompts, resources) to clients.. The listed license is NOASSERTION. GitHub stars are currently 937. Relevant tags include Ruby, SDK.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool.

#Ruby#SDK#Model Context Protocol#JSON-RPC#LLM Integration#API Wrapper#Server Framework#Client Library
$ Install
$ gem install mcp
↗ Visit site★ GitHub
01

Features

01Implements JSON-RPC 2.0 message handling for server-client communication.
02Manages the registration and invocation of tools, prompts, and resources.
03Supports multiple transport mechanisms including stdio and Streamable HTTP (SSE).
04Provides robust cancellation mechanisms for in-flight requests and cursor-based pagination for list operations.
02

Why choose it

+Implements JSON-RPC 2.0 message handling for server-client communication.
+Manages the registration and invocation of tools, prompts, and resources.
+Developing custom MCP servers to expose AI capabilities (tools, prompts, resources) to clients.
+Supports 5 platforms or runtime environments.
03

Trade-offs

!The final decision should still be made through side-by-side comparison with similar tools.
04

Compatibility

Ruby
Language
Verified via docs
JSON-RPC 2.0
Protocol
Verified via docs
HTTP
Transport
Verified via docs
Stdio
Transport
Verified via docs
Rack
Web Framework Integration
Verified via docs
05

Quick start

1
$ gem install mcp
06

Use cases

↳Developing custom MCP servers to expose AI capabilities (tools, prompts, resources) to clients.
↳Integrating LLM-powered applications by defining and invoking specialized tools.
↳Building client applications that interact with MCP servers over stdio or HTTP transports.
↳Managing dynamic context and long-term memory for AI agents through resource and root management.
07

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On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07Alternatives
modelcontextprotocol /
ruby-sdk
↗

The official Ruby SDK for the Model Context Protocol.

937
Last commit1d ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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