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Three Weeks of Opus 4.7 in Production: What Teams Are Actually Reporting
The launch numbers were one story. The production patterns are a different one.
 • The AI Runtime
Inside Mintlify’s Agent Stack
A teardown of the two-harness architecture — async sandboxes for writes, virtual filesystems for reads — and what it teaches about wrapping a model in…
 • The AI Runtime
How Vertical Agents Self-Improve in Production
Field notes on the harness loop at Harvey, Hippocratic, Anterior, and Azure SRE — where production failures compound into skill without retraining the…
 • The AI Runtime
Felix Is a Harness, Not a Model: How Rogo Built an Agent for High Finance
Rogo just raised $160M Series D led by Kleiner Perkins. The architecture behind their Felix agent is what AI engineers should be studying.
 • The AI Runtime
Privacy Filter Is Not an LLM
OpenAI’s open-weight PII model is a bidirectional token classifier — what that architecture buys, where the headline benchmark misleads, and why…
 • The AI Runtime
Shadow AI Agents
Your enterprise has more AI agents than employees. Most don’t have identities, owners, or audit trails. Agent identity is the reliability surface that…
 • The AI Runtime
Builder Spotlight - Armaan Agrawal ships like a forward-deployed engineer already
Seven production systems, one repeatable pattern, and the real-world skills most new grads don’t show up with.
 • The AI Runtime
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