How to use template?

December 2, 2024 · View on GitHub

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