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sage-mcp-protocol

Implement MCP protocol clients, transports, and server discovery in Rust.

12|1|Updated Jul 15, 2025
Search Tags:#protocol#mcp#rust#json-rpc#client#transport#server-discovery
One-click install
npx skills add https://github.com/majiayu000/sage --skill sage-mcp-protocol
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: sage-mcp-protocol
Source: https://github.com/majiayu000/sage/tree/main/.sage/skills/sage-mcp-protocol
Command: npx skills add https://github.com/majiayu000/sage --skill sage-mcp-protocol

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a structured, authoritative guide for implementing the MCP protocol across client, transport, discovery, and notifications, enabling robust tool/server integration in Rust projects.

Core Features & Use Cases

  • Comprehensive MCP protocol reference including versioning, message types, and common workflows.
  • Step-by-step guidance for building MCP clients, transports, registry interactions, and server discovery.
  • Use Case: Build a Rust-based MCP client that initializes with a server, lists tools, and routes tool calls to the appropriate server through a registry.

Quick Start

Ask the AI to initialize an MCP client, fetch available tools, and perform a sample tool call against a registered server.

Frequently Asked Questions about sage-mcp-protocol

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

FAQPage Schema
How do I implement an MCP client in Rust to initialize with a server and list tools?▼

To implement an MCP client in Rust, you initialize a connection with the server, request available tools, and route tool calls through a registry. This process handles versioned MCP messages and JSON-RPC semantics for communication.

What is the MCP protocol and how does server discovery work?▼

The MCP protocol defines versioned messages and JSON-RPC semantics for tool integration. Server discovery works through registry interactions, allowing clients to dynamically locate servers and route messages to access available resources.

Can I use JSON-RPC transport adapters for server discovery in Rust projects?▼

Yes, you can use JSON-RPC transport adapters in Rust projects to facilitate server discovery. The protocol supports building transport adapters and registries that handle message routing and connect clients to discovered servers.

How do I route tool calls to the appropriate MCP server through a registry?▼

Routing tool calls through a registry involves the MCP client sending versioned JSON-RPC messages to the registry. The registry then directs the tool call to the appropriate discovered server, enabling robust resource access and message handling.

Does the MCP protocol support versioned messages and notifications for Rust tooling?▼

Yes, the MCP protocol supports versioned messages and notifications for building Rust-based tooling. It provides comprehensive reference for message types, common workflows, and transport adapters to ensure robust server integration.

What are the limitations when building transport adapters for MCP server discovery?▼

When building transport adapters for MCP server discovery, you must handle JSON-RPC semantics and versioned message constraints. The guide focuses on Rust projects, so implementations are bound by the protocol's defined registry interactions and message routing rules.

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