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Pentad Labs · Agent OS

Replay any agent, decision for decision.

WunderOS is an operating system for enterprise agents. It runs them in a deterministic control loop and calls the model asynchronously, off the hot path, so anything an agent did can be replayed exactly. The Agentic Data Enclave is its first enterprise use case.

WunderOS runs a deterministic control loop; the LLM is called off the hot path A frame labelled WunderOS controller contains a closed control loop marked the hot path, deterministic and replayable. A dashed branch leaves the loop to a small dashed box labelled LLM, async, off the hot path, showing the model is called asynchronously and never sits in the critical path. WUNDEROS · CONTROLLER HOT PATH deterministic · replayable off the hot path LLM async
The control loop is the hot path: deterministic and replayable. The LLM is called asynchronously, off to the side, so a slow or non-deterministic model never sits in the critical path.

Replay is architectural, not a feature, which is why no conventional stack can retrofit it. The rest is below: the category WunderOS belongs to, how it’s built, and the research behind the guarantees. Get in touch if you’re building on an agent OS, or want to; we’re just getting started.

The category What is an operating system for agents? Why the layer everyone else calls an agent harness or framework has to become an operating system, and the seven services no single harness can own: identity, memory, data integration, authority, recovery, observability, economics. Read the category → The architecture WunderOS System Design How it is built: the closed-loop architecture, the Pentad memory substrate, the Herzschlag compute plane, the zg-planner, the Loom executor, and the Wunderlog wire protocol. Read the system design → The details Research Notes The pieces behind the guarantees. Pentad Labs Research Notes work through determinism, memory, and control in engineering and practitioner-focused detail. Read the research notes →
Get in touch → See the Agentic Data Enclave → System architecture →