Topic

Engineering

3 posts on Engineering.

2 minengineeringagents

The model is not the product. The harness is.

Everyone building agents has access to the same models. What separates an agent that works from one that demos well is the harness around it: tool selection, memory, credentials, and a runtime that survives contact with reality.

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2 minengineeringsecurity

An agent needs two credential layers, and they must be mutually exclusive

When you publish an agent other people use, whose account does it act on? There are exactly two right answers, and letting a tool sit in both states at once is how credentials leak between users.

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3 minengineeringagents

Agent runs that survive the tab closing

Most agent frameworks tie a run's lifetime to the browser tab that started it. Here is why that breaks long jobs, and how Kavela runs agents in a durable object so closing the tab does not kill the work.

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