rust-sdk/examples/servers/src/common/calculator.rs
Luke Francl dffae27cf0
docs: update calculator example description (#115)
The example in the README uses "sum" for both `sum` and `sub`. I changed it to "difference". For consistency, I also updated the example code to use the same term.
2025-04-10 20:04:15 +08:00

46 lines
1.2 KiB
Rust

use rmcp::{
ServerHandler,
handler::server::wrapper::Json,
model::{ServerCapabilities, ServerInfo},
schemars, tool,
};
#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct SumRequest {
#[schemars(description = "the left hand side number")]
pub a: i32,
pub b: i32,
}
#[derive(Debug, Clone)]
pub struct Calculator;
#[tool(tool_box)]
impl Calculator {
#[tool(description = "Calculate the sum of two numbers")]
fn sum(&self, #[tool(aggr)] SumRequest { a, b }: SumRequest) -> String {
(a + b).to_string()
}
#[tool(description = "Calculate the difference of two numbers")]
fn sub(
&self,
#[tool(param)]
#[schemars(description = "the left hand side number")]
a: i32,
#[tool(param)]
#[schemars(description = "the right hand side number")]
b: i32,
) -> Json<i32> {
Json(a - b)
}
}
#[tool(tool_box)]
impl ServerHandler for Calculator {
fn get_info(&self) -> ServerInfo {
ServerInfo {
instructions: Some("A simple calculator".into()),
capabilities: ServerCapabilities::builder().enable_tools().build(),
..Default::default()
}
}
}