Workflow code-execution Demo
December 31, 2025 · View on GitHub
This is a demonstration of using AIGNE Framework to build a code-execution workflow. The example now supports both one-shot and interactive chat modes, along with customizable model settings and pipeline input/output.
flowchart LR in(In) out(Out) coder(Coder) sandbox(Sandbox) coder -.-> sandbox sandbox -.-> coder in ==> coder ==> out classDef inputOutput fill:#f9f0ed,stroke:#debbae,stroke-width:2px,color:#b35b39,font-weight:bolder; classDef processing fill:#F0F4EB,stroke:#C2D7A7,stroke-width:2px,color:#6B8F3C,font-weight:bolder; class in inputOutput class out inputOutput class coder processing class sandbox processing
Workflow of a code-execution between user and coder using a sandbox:
sequenceDiagram
participant User
participant Coder as Agent Coder
participant Sandbox as Agent Sandbox
User ->> Coder: 10! = ?
Coder ->> Sandbox: "function factorial(n) { return n <= 1 ? 1 : n * factorial(n - 1) } factorial(10)"
Sandbox ->> Coder: { result: 3628800 }
Coder ->> User: The value of \(10!\) (10 factorial) is 3,628,800.
Prerequisites
- Node.js (>=20.0) and npm installed on your machine
- An OpenAI API key for interacting with OpenAI's services
- Optional dependencies (if running the example from source code):
Quick Start (No Installation Required)
Run the Example
# Run in one-shot mode (default)
npx -y @aigne/example-workflow-code-execution
# Run in interactive chat mode
npx -y @aigne/example-workflow-code-execution --interactive
# Use pipeline input
echo 'Calculate 15!' | npx -y @aigne/example-workflow-code-execution
Connect to an AI Model
As an example, running npx -y @aigne/example-workflow-code-execution --interactive requires an AI model. If this is your first run, you need to connect one.

- Connect via the official AIGNE Hub
Choose the first option and your browser will open the official AIGNE Hub page. Follow the prompts to complete the connection. If you're a new user, the system automatically grants 400,000 tokens for you to use.

- Connect via a self-hosted AIGNE Hub
Choose the second option, enter the URL of your self-hosted AIGNE Hub, and follow the prompts to complete the connection. If you need to set up a self-hosted AIGNE Hub, visit the Blocklet Store to install and deploy it: Blocklet Store.

- Connect via a third-party model provider
Using OpenAI as an example, you can configure the provider's API key via environment variables. After configuration, run the example again:
export OPENAI_API_KEY="" # Set your OpenAI API key here
For more details on third-party model configuration (e.g., OpenAI, DeepSeek, Google Gemini), see .env.local.example.
After configuration, run the example again.
Debugging
The aigne observe command starts a local web server to monitor and analyze agent execution data. It provides a user-friendly interface to inspect traces, view detailed call information, and understand your agent’s behavior during runtime. This tool is essential for debugging, performance tuning, and gaining insight into how your agent processes information and interacts with tools and models.
Start the observation server.

View a list of recent executions.

Installation
Clone the Repository
git clone https://github.com/AIGNE-io/aigne-framework
Install Dependencies
cd aigne-framework/examples/workflow-code-execution
pnpm install
Run the Example
pnpm start # Run in one-shot mode (default)
# Run in interactive chat mode
pnpm start -- --interactive
# Use pipeline input
echo "Calculate 15!" | pnpm start
Run Options
The example supports the following command-line parameters:
| Parameter | Description | Default |
|---|---|---|
--interactive | Run in interactive chat mode | Disabled (one-shot mode) |
--model <provider[:model]> | AI model to use in format 'provider[:model]' where model is optional. Examples: 'openai' or 'openai:gpt-4o-mini' | openai |
--temperature <value> | Temperature for model generation | Provider default |
--top-p <value> | Top-p sampling value | Provider default |
--presence-penalty <value> | Presence penalty value | Provider default |
--frequency-penalty <value> | Frequency penalty value | Provider default |
--log-level <level> | Set logging level (ERROR, WARN, INFO, DEBUG, TRACE) | INFO |
--input, -i <input> | Specify input directly | None |
Examples
# Run in chat mode (interactive)
pnpm start -- --interactive
# Set logging level
pnpm start -- --log-level DEBUG
# Use pipeline input
echo "Calculate 15!" | pnpm start
Example
The following example demonstrates how to build a code-execution workflow:
import { AIAgent, AIGNE, FunctionAgent } from "@aigne/core";
import { OpenAIChatModel } from "@aigne/core/models/openai-chat-model.js";
import { z } from "zod";
const { OPENAI_API_KEY } = process.env;
const model = new OpenAIChatModel({
apiKey: OPENAI_API_KEY,
});
const sandbox = FunctionAgent.from({
name: "evaluateJs",
description: "A js sandbox for running javascript code",
inputSchema: z.object({
code: z.string().describe("The code to run"),
}),
process: async (input: { code: string }) => {
const { code } = input;
// biome-ignore lint/security/noGlobalEval: <explanation>
const result = eval(code);
return { result };
},
});
const coder = AIAgent.from({
name: "coder",
instructions: `\
You are a proficient coder. You write code to solve problems.
Work with the sandbox to execute your code.
`,
skills: [sandbox],
});
const aigne = new AIGNE({ model });
const result = await aigne.invoke(coder, "10! = ?");
console.log(result);
// Output:
// {
// $message: "The value of \\(10!\\) (10 factorial) is 3,628,800.",
// }
License
This project is licensed under the MIT License.