PraxisBeta

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How we think about agents, business and engineering.

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Replaying a real session to find the memory cost we never counted

Long sessions kept getting reset after our memory fixes. We nearly capped the context, until a local replay of a real session pointed at tokenization.

EngineeringRead article

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Measuring the memory limit of Durable Objects

The docs say 128 MB, yet our sessions crossed it without always being killed. We deployed a throwaway probe to find out: the reset line fell between 254 and 300 MiB, what matters is how much data is alive at once, and recorded peaks are always a lower bound.

Engineering

Service agents are a new form of asset

A service agent assembles what used to be scattered across people, documents, software and data into one system. It is easy to scale and hard to rebuild, its complexity lets investment accumulate, and when a provider holds all of it, it is an asset.

Business

Service providers need their own service agents

Personal agents will synthesize every provider's information for consumers, and a buyer's agent is loyal to the buyer. Service providers need a context system they can build, accumulate and iterate on, and the service agent is what carries it.

Business