zeroclaw/examples/custom_tool.rs
argenis de la rosa 05cb353f7f feat: initial release — ZeroClaw v0.1.0
- 22 AI providers (OpenRouter, Anthropic, OpenAI, Mistral, etc.)
- 7 channels (CLI, Telegram, Discord, Slack, iMessage, Matrix, Webhook)
- 5-step onboarding wizard with Project Context personalization
- OpenClaw-aligned system prompt (SOUL.md, IDENTITY.md, USER.md, AGENTS.md, etc.)
- SQLite memory backend with auto-save
- Skills system with on-demand loading
- Security: autonomy levels, command allowlists, cost limits
- 532 tests passing, 0 clippy warnings
2026-02-13 12:19:14 -05:00

76 lines
2.2 KiB
Rust

//! Example: Implementing a custom Tool for ZeroClaw
//!
//! This shows how to add a new tool the agent can use.
//! Tools are the agent's hands — they let it interact with the world.
use anyhow::Result;
use async_trait::async_trait;
use serde_json::{json, Value};
/// Mirrors src/tools/traits.rs
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
pub struct ToolResult {
pub success: bool,
pub output: String,
pub error: Option<String>,
}
#[async_trait]
pub trait Tool: Send + Sync {
fn name(&self) -> &str;
fn description(&self) -> &str;
fn parameters_schema(&self) -> Value;
async fn execute(&self, args: Value) -> Result<ToolResult>;
}
/// Example: A tool that fetches a URL and returns the status code
pub struct HttpGetTool;
#[async_trait]
impl Tool for HttpGetTool {
fn name(&self) -> &str {
"http_get"
}
fn description(&self) -> &str {
"Fetch a URL and return the HTTP status code and content length"
}
fn parameters_schema(&self) -> Value {
json!({
"type": "object",
"properties": {
"url": { "type": "string", "description": "URL to fetch" }
},
"required": ["url"]
})
}
async fn execute(&self, args: Value) -> Result<ToolResult> {
let url = args["url"]
.as_str()
.ok_or_else(|| anyhow::anyhow!("Missing 'url' parameter"))?;
match reqwest::get(url).await {
Ok(resp) => {
let status = resp.status().as_u16();
let len = resp.content_length().unwrap_or(0);
Ok(ToolResult {
success: status < 400,
output: format!("HTTP {status} — {len} bytes"),
error: None,
})
}
Err(e) => Ok(ToolResult {
success: false,
output: String::new(),
error: Some(format!("Request failed: {e}")),
}),
}
}
}
fn main() {
println!("This is an example — see CONTRIBUTING.md for integration steps.");
println!("Register your tool in src/tools/mod.rs default_tools()");
}