I’m Mike Hostetler and I built Jido, an Agent SDK in Elixir that lets you run thousands of agents without heavy infrastructure.

• Repo: https://github.com/agentjido/jido
• Getting Started: https://hexdocs.pm/jido/getting-started.html

Why another framework?

After using several popular Agent frameworks and platforms, I had two key challenges:

• Running multiple agents required process-heavy infrastructure like Docker or K8s. Running 50,000 agents in parallel was costly and diminished the benefits of agentic programming.

• Today’s agents require too much human intervention when building workflows. Why couldn’t agents manage their own WDLC (Workflow Design Life Cycle)? This felt like a major missing piece.

Agentic frameworks were written for humans. LLMs working with this code were constantly working around human work-style assumptions. So, I wrote a framework specifically for LLMs to code and operate their own agentic flows.

Elixir was a natural choice because of it’s functional nature, rock-solid concurrency primitives and “let-it-crash” philosophy with dynamic error compensation. Hot code reloading was a bonus.

Agents in Jido use 25Kb of memory at rest and can easily serialize then hibernate for long-lived access. Agents possess the APIs to dynamically start and manage their own sub-agents or any other Elixir process utilizing Elixir’s OTP architecture.

Jido Actions are functional primitives that Agents can dynamically orchestrate into workflows. Generated code can either run in a separate process in the current VM or in another BEAM VM that’s linked and hardened before introduction into the Agent VM.

I’m excited to help enable a world where thousands of agents work seamlessly on behalf of their human operators.