About Conductor OSS

Conductor is an event-driven workflow engine that makes microservice and AI agent execution durable. It treats choices made at runtime, including loops, branches, parallel fan-out, tool calls, approval steps, retries and cancellation, as durable, inspectable executions. The project began at Netflix and is now maintained by Orkes and the community. It is written in Java with a JavaScript UI and released under the Apache-2.0 license.

Every step is persisted, so a workflow can continue after a crash, a restart or a network outage, and retries and timeouts are configurable. Orchestration is kept as a versioned graph while workers and built-in tasks perform the business logic. For AI use, it provides native LLM tasks, MCP tool calling, human approval steps and vector workflows for retrieval-augmented generation. A quickstart needs Node.js and Java 21 or later, serves a UI on port 8080, and a Docker image is also available.