nullapt SDK

Language SDKs for building nullapt WASM skills.

Packages

Language	Package	Status
Rust	nullapt-sdk (crates.io)	stable
TypeScript/Node	@nullapt/sdk (npm)	stable
Go	github.com/nullapt/sdk/go (pkg.go.dev)	beta

---

Rust

# Cargo.toml
[dependencies]
nullapt-sdk = "0.1"
extism-pdk = "1"

use nullapt_sdk::prelude::*;

#[derive(Deserialize)]
struct Input { query: String }

#[derive(Serialize)]
struct Output { result: String }

#[plugin_fn]
pub fn my_tool(input: Json<Input>) -> FnResult<Json<Output>> {
    Ok(Json(Output { result: format!("got: {}", input.query) }))
}

Build:

cargo build --target wasm32-wasip1 --release
cp target/wasm32-wasip1/release/my_skill.wasm skill.wasm

---

TypeScript

npm install @nullapt/sdk

import { validateManifest } from '@nullapt/sdk';
import skillJson from './SKILL.json';

validateManifest(skillJson); // throws if invalid

---

Go (TinyGo)

go get github.com/nullapt/sdk/go

package main

import "github.com/nullapt/sdk/go/pdk"

//export my_tool
func myTool() int32 {
    input := pdk.Input()
    pdk.Output([]byte("result: " + string(input)))
    return 0
}

Build:

tinygo build -o skill.wasm -target wasi .

---

Contributing

See CONTRIBUTING.md.