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FIELD NOTES

Engineering notes from the field

Deep dives on observability, cost control, routing, and governance for production AI agents.

Observability

Tracing 10M agent runs without melting your warehouse

How we store, index, and replay high-cardinality agent traces at scale.

May 20258 min
Cost

Why per-step token caps beat per-call rate limits

Rate limits don't stop a runaway loop. Budgets do. Here's the math.

Apr 20256 min
Routing

Multi-region model routing for data residency

Keeping EU data in the EU while still picking the best model per step.

Apr 20257 min
Governance

Designing policy-as-code for autonomous agents

A type-safe policy layer that platform teams actually want to maintain.

Mar 20255 min

Every agent, contained.

Give your team the visibility, cost control, and governance production agents demand.

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Capsule

The reliability and cost control plane for AI agents in production.

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