cargo-mcp

use crate::state::CargoTools; use crate::tools::cargo_utils::{create_cargo_command, execute_cargo_command}; use anyhow::Result; use mcplease::traits::{Tool, WithExamples}; use mcplease::types::Example; use serde::{Deserialize, Serialize}; use std::collections::HashMap; /// Run a binary or example from the current package #[derive(Default, Debug, Serialize, Deserialize, schemars::JsonSchema, clap::Args)] #[serde(rename = "cargo_run")] pub struct CargoRun { /// Optional package name to run from (for workspaces) #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub package: Option<String>, /// Optional binary name to run (if package has multiple binaries) #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub bin: Option<String>, /// Optional example name to run instead of a binary #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub example: Option<String>, /// Run in release mode (optimized) #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub release: Option<bool>, /// Space-separated list of features to activate #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub features: Option<String>, /// Activate all available features #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub all_features: Option<bool>, /// Do not activate the `default` feature #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub no_default_features: Option<bool>, /// Arguments to pass to the binary after `--` #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub args: Option<Vec<String>>, /// Optional Rust toolchain to use (e.g., 'stable', 'nightly', '1.70.0') #[serde(skip_serializing_if = "Option::is_none")] #[arg(long)] pub toolchain: Option<String>, /// Optional environment variables to set for the cargo command #[serde(skip_serializing_if = "Option::is_none")] #[arg(skip)] pub cargo_env: Option<HashMap<String, String>>, } impl WithExamples for CargoRun { fn examples() -> Vec<Example<Self>> { vec![ Example { description: "Run the default binary", item: Self::default(), }, Example { description: "Run a specific binary", item: Self { bin: Some("my-binary".into()), ..Self::default() }, }, Example { description: "Run an example", item: Self { example: Some("hello".into()), ..Self::default() }, }, Example { description: "Run with arguments passed to the binary", item: Self { args: Some(vec!["--verbose".into(), "input.txt".into()]), ..Self::default() }, }, Example { description: "Run in release mode with specific features", item: Self { release: Some(true), features: Some("feature1 feature2".into()), ..Self::default() }, }, Example { description: "Run a binary from a specific workspace package", item: Self { package: Some("my-workspace-crate".into()), bin: Some("worker".into()), args: Some(vec!["--config".into(), "prod.toml".into()]), ..Self::default() }, }, ] } } impl Tool<CargoTools> for CargoRun { fn execute(self, state: &mut CargoTools) -> Result<String> { let project_path = state.ensure_rust_project(None)?; // Use toolchain from args, session default, or none let toolchain = self .toolchain .or_else(|| state.get_default_toolchain(None).unwrap_or(None)); let mut args = vec!["run"]; if let Some(ref package) = self.package { args.extend_from_slice(&["--package", package]); } if let Some(ref bin) = self.bin { args.extend_from_slice(&["--bin", bin]); } if let Some(ref example) = self.example { args.extend_from_slice(&["--example", example]); } if self.release.unwrap_or(false) { args.push("--release"); } if let Some(ref features) = self.features { args.extend_from_slice(&["--features", features]); } if self.all_features.unwrap_or(false) { args.push("--all-features"); } if self.no_default_features.unwrap_or(false) { args.push("--no-default-features"); } // Add separator and binary arguments if provided if let Some(ref binary_args) = self.args && !binary_args.is_empty() { args.push("--"); for arg in binary_args { args.push(arg); } } let cmd = create_cargo_command(&args, toolchain.as_deref(), self.cargo_env.as_ref()); execute_cargo_command(cmd, &project_path, "cargo run") } }