Rust

weather/
├── src/
│   ├── lib.rs         the implementation
│   └── types.rs       helper types for the upstream API
├── wit/
│   └── world.wit      the interface — defines your tools
├── Cargo.toml
├── noorle.yaml        metadata, permissions, credentials
├── build.sh           what `noorle plugin build` runs
├── prepare.sh         what `noorle plugin prepare` runs
├── .env.example
└── dist/
    └── plugin.wasm    build output

package example:weather;

world weather-component {
    /// Temperature unit
    enum unit {
        metric,
        imperial,
    }

    /// Weather information
    record weather-response {
        location: string,
        temperature: f64,
        feels-like-temperature: f64,
        wind-speed: option<f64>,
        humidity: option<u32>,
        unit: unit,
        weather-conditions: list<string>,
    }

    /// Check the current weather for a location
    export check-weather: func(location: string, unit: unit) -> result<weather-response, string>;
}

#![allow(unsafe_op_in_unsafe_fn)]

wit_bindgen::generate!({
    world: "weather-component",
    path: "./wit",
});

use waki::Client;

struct WeatherComponent;

impl Guest for WeatherComponent {
    fn check_weather(location: String, unit: Unit) -> Result<WeatherResponse, String> {
        // ...
    }
}

export!(WeatherComponent);

[package]
name = "weather"
version = "0.1.0"
edition = "2021"

[lib]
crate-type = ["cdylib"]

[dependencies]
anyhow = "1.0"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
urlencoding = "2.1"
waki = "0.5"
wit-bindgen = "0.46.0"

schema_version: "1.0"

metadata:
  name: weather
  description: "Weather information plugin using OpenWeatherMap API"
  author: "Noorle Team"
  tags:
    - weather
    - api

permissions:
  network:
    allow:
      - host: "api.openweathermap.org"
  environment:
    allow:
      - key: OPENWEATHER_API_KEY

noorle plugin build

cargo build --target wasm32-wasip2 --release

wasmtime run --wasi http --env OPENWEATHER_API_KEY=your_api_key_here \
  --invoke 'check-weather("Austin", metric)' dist/plugin.wasm

noorle login
noorle plugin publish