Library / SDK
Agents & OrchestrationObservability & Evaluation
Burr
1State 2machine 3framework 4for 5AI 6apps
the six Ws · specification
W1
Who
Maintained by DAGWorks Inc.
W2
What
Models AI applications and agents as explicit, observable state machines.
W3
Where
A Python library with a tracking UI.
W4
When
Reach for it when modeling agents as debuggable state machines.
W5
Why
Observable, debuggable stateful application graphs.
W6
With
Python, LLM providers, and optional telemetry.
W7
Watch
Startup-maintained; BSD/open-source library plus an optional cloud (open-core). Runs locally.
alternatives