November 06, 2025

Software Engineering - The OpenHands Software Agent SDK A Composable and Extensible Foundation for Production Agents

5 minutes

Alright learning crew, Ernis here, ready to dive into something super cool: a new toolkit designed to make building software development agents way easier. Now, I know what you might be thinking: “Software agents? Sounds complicated!” And you’re not wrong, it can be. But stick with me, because this has the potential to change how we build software.

Think of it this way: imagine you have a team of tiny, tireless assistants dedicated to helping you code. These assistants can write code, test it, and even suggest improvements. That’s essentially what software agents are – little programs designed to automate tasks in the software development process.

But here's the thing: building these agents has traditionally been a real headache. It's like trying to build a Lego castle without instructions or the right pieces. That's where the OpenHands Software Agent SDK comes in. It's a toolkit, a box of all the right Lego bricks, complete with clear instructions, to make the whole process much smoother. Think of it as a "Software Agent Construction Kit."

This isn't just some minor update; it's a complete overhaul of the agent components from the popular OpenHands framework, which, by the way, already has over 64,000 stars on GitHub – that’s like the rockstar of software development tools!

So, what makes this SDK so special? Let's break it down:

Flexibility: It has a super simple interface for building agents. You can get started with just a few lines of code. But if you want to build something more complex, like an agent with its own memory or custom tools, it's easily customizable.

Reliability and Security: It lets you run your agents on your computer or remotely, seamlessly. It also has built-in security features to keep everything safe. It’s like having a built-in security guard for your software assistants.

User-Friendly: It connects to all sorts of interfaces, like your code editor (VS Code), your browser, or even just a command line. So you can easily interact with your agents.

Now, you might be wondering, "Okay, Ernis, there are other SDKs out there. What makes OpenHands different?" Good question! This SDK brings a few unique things to the table:

Sandboxed Execution: It runs agents in a secure environment, so they can't mess with your system. This is a big deal for security.

Lifecycle Control: It gives you full control over the agent's lifecycle, from creation to deletion.

Model-Agnostic Multi-LLM Routing: You can use it with different Large Language Models (LLMs) from OpenAI, Claude, Google etc.

Built-in Security Analysis: It has tools to analyze your agents for potential security vulnerabilities.

Basically, OpenHands offers a level of control, security, and flexibility that other SDKs just don't have.

"Put together, these elements allow the OpenHands Software Agent SDK to provide a practical foundation for prototyping, unlocking new classes of custom applications, and reliably deploying agents at scale."

The researchers put the OpenHands SDK to the test using standard benchmarks called SWE-Bench Verified and GAIA, and the results were impressive. This means it's not just a theoretical tool; it actually performs well in real-world scenarios.

So, why does this matter to you?

For Aspiring Developers: This SDK can make it much easier to learn about and experiment with software agents.

For Seasoned Engineers: This can significantly speed up your development workflow and allow you to automate tasks that were previously too complex.

For Tech Leaders: This opens up new possibilities for building custom applications and deploying agents at scale.

It's all about making software development more efficient, more secure, and more accessible.

Now, a couple of things that come to my mind as I think about this:

Given the focus on security, how does OpenHands handle the ethical considerations around AI agents making decisions in the software development process?

With the ease of use the SDK provides, could we see a future where non-programmers are able to contribute to software development through these agents?

That's the OpenHands Software Agent SDK in a nutshell! It's a powerful tool that could revolutionize the way we build software. I'm excited to see what you, the learning crew, will create with it!

Credit to Paper authors: Xingyao Wang, Simon Rosenberg, Juan Michelini, Calvin Smith, Hoang Tran, Engel Nyst, Rohit Malhotra, Xuhui Zhou, Valerie Chen, Robert Brennan, Graham Neubig

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By ernestasposkus