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MCP Rust CLI server template

MCP Rust CLI server template

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github.com/linux-chinaDeveloper Tools82Updated 80w ago
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About MCP Rust CLI server template

MCP Rust CLI server template is a starting point for building MCP command-line servers in Rust. It is aimed at developers who want to write MCP servers in Rust and builds on the rust-rpc-router JSON-RPC library. Prompts, resources and tools can be defined in code or in JSON template files.

Key features

  1. 01JSON-RPC routing based on rust-rpc-router
  2. 02Separate handler modules for prompts, resources and tools
  3. 03Optional JSON template files for content definitions
  4. 04Command-line flags to list resources, prompts and tools

Use cases

  1. 01Scaffolding a custom MCP server in Rust
  2. 02Running a local command-line MCP server in Claude Desktop

MCP support

This is an MCP server template. Launched with the --mcp flag, it exposes prompts, resources and tools to MCP clients.

#mcp#json-rpc

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

No install method listed yet

We haven’t collected a package or remote endpoint for this server. Follow the instructions in the project README.

Repository

Tools

No tool list yet

Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.

Details

From the project README

MCP Rust CLI server template

Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you’re building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.

mcp-rs-template is a simple application template that demonstrates how to implement MCP CLI server in Rust.

How to use template?

  1. Clone the repository
  2. Modify project information in Cargo.toml and src/mcp/mod.rs
  3. Modify server handlers:
    • src/mcp/prompts.rs: prompts handlers
    • src/mcp/resources.rs: resources handlers
    • src/mcp/tools.rs: tools handlers
  4. Modify src/mcp/templates/*.json if you prefer to use json files for prompts, resources, and tools

mcp-rs-template is based on rust-rpc-router, a JSON-RPC routing library for Rust.

CLI options

  • --mcp: Enable MCP server
  • --resources: display resources
  • --prompts: display prompts
  • --tools: display tools

How to use MCP CLI server in Claude Desktop?

  1. Edit claude_desktop_config.json: Claude Desktop -> Settings -> Developer -> Edit Config
  2. Add the following configuration to the servers section:
{
   "mcpServers": {
      "current-time": {
         "command": "mcp-rs-template",
         "args": [
            "--mcp"
         ],
         "env": {
            "API_KEY": "xxxx"
         }
      }
   }
}

If you want to check MCP log, please use tail -n 20 -f ~/Library/Logs/Claude/mcp*.log.

References

Comments

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New to MCP?

From what the protocol is to installing your first server, these answers cover most first questions.

An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.