rmcp-macros is a procedural macro library for the Rust Model Context Protocol (RMCP) SDK, providing macros that facilitate the development of RMCP applications.
| Macro | Description |
|---|---|
#[tool] |
Mark a function as an MCP tool handler |
#[tool_router] |
Generate a tool router from an impl block |
#[tool_handler] |
Generate call_tool and list_tools handler methods |
#[prompt] |
Mark a function as an MCP prompt handler |
#[prompt_router] |
Generate a prompt router from an impl block |
#[prompt_handler] |
Generate get_prompt and list_prompts handler methods |
#[task_handler] |
Wire up the task lifecycle on top of an OperationProcessor |
use rmcp::{tool, tool_router, tool_handler, ServerHandler, model::*};
#[derive(Clone)]
struct MyServer {
tool_router: rmcp::handler::server::tool::ToolRouter<Self>,
}
#[tool_router]
impl MyServer {
#[tool(description = "Say hello")]
async fn hello(&self) -> String {
"Hello, world!".into()
}
}
#[tool_handler]
impl ServerHandler for MyServer {
fn get_info(&self) -> ServerInfo {
ServerInfo::default()
}
}See the full documentation for detailed usage of each macro.
Please refer to the LICENSE file in the project root directory.