use reqwest::header::{ACCEPT, AUTHORIZATION, CONTENT_TYPE, USER_AGENT};

#[tokio::main]

async fn main() {

let client = reqwest::Client::builder()

.user_agent("cortex-cli/0.1.0")

.timeout(std::time::Duration::from_secs(300))

.tcp_nodelay(true)

.build()

.unwrap();

// Include tools like the CLI does

let body = serde_json::json!({

"model": "claude-opus-4-5-20251101",

"input": [{"role": "user", "content": "hi"}],

"stream": true,

"tools": [

{

"type": "function",

"name": "Read",

"description": "Read file contents",

"parameters": {"type": "object", "properties": {"path": {"type": "string"}}, "required": ["path"]}

},

{

"type": "function",

"name": "Write",

"description": "Write to file",

"parameters": {"type": "object", "properties": {"path": {"type": "string"}, "content": {"type": "string"}}, "required": ["path", "content"]}

}

],

"tool_choice": "auto"

});

println!("Sending request with tools...");

let resp = client

.post("https://api.cortex.foundation/v1/responses")

.header(CONTENT_TYPE, "application/json")

.header(ACCEPT, "text/event-stream")

.header(USER_AGENT, "cortex-cli/0.1.0")

.header(

AUTHORIZATION,

format!(

"Bearer {}",

std::env::var("CORTEX_API_KEY")

.expect("CORTEX_API_KEY environment variable required")

),

)

.json(&body)

.send()

.await

.unwrap();

println!("Status: {}", resp.status());

let text = resp.text().await.unwrap();

println!("Body: {}", &text[..text.len().min(500)]);

}