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Blog

Notes from building agent infrastructure.

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Concentric dotted squares around a black core, with small orange packets scattered on the rings

Engineering

7 min

Why agents fail silently in production

Most agent failures don’t throw errors. They return a confident, wrong answer. Here’s how to catch them before your users do.

Sep 22, 2026

Concentric dotted squares around a black core, with small orange packets scattered on the rings

Engineering

7 min

Why agents fail silently in production

Most agent failures don’t throw errors. They return a confident, wrong answer. Here’s how to catch them before your users do.

Sep 22, 2026

A large dithered grey square connected by thin lines to a small orange dithered square, one line highlighted in orange

Product

6 min

Routing between small and large models

Most requests don’t need your biggest model. A simple routing policy can send them to a small one without users noticing.

Sep 8, 2026

A large dithered grey square connected by thin lines to a small orange dithered square, one line highlighted in orange

Product

6 min

Routing between small and large models

Most requests don’t need your biggest model. A simple routing policy can send them to a small one without users noticing.

Sep 8, 2026

Columns of grey pixel squares forming a waveform with black tops and two orange squares at the lowest point

Guides

9 min

Tracing a multi-agent run end to end

When one agent hands work to another, context gets lost. This guide shows how to keep a single trace across every handoff.

Aug 25, 2026

Columns of grey pixel squares forming a waveform with black tops and two orange squares at the lowest point

Guides

9 min

Tracing a multi-agent run end to end

When one agent hands work to another, context gets lost. This guide shows how to keep a single trace across every handoff.

Aug 25, 2026

Isometric stack of three plates with the top plate dithered in orange

Guides

10 min

Self-hosting Sigil in your VPC

A step-by-step guide to running the Sigil control plane in your own Kubernetes cluster, from Helm install to first trace.

Aug 11, 2026

Isometric stack of three plates with the top plate dithered in orange

Guides

10 min

Self-hosting Sigil in your VPC

A step-by-step guide to running the Sigil control plane in your own Kubernetes cluster, from Helm install to first trace.

Aug 11, 2026

Isometric grid plane with white line-drawn boxes and one taller box dithered in orange

Engineering

7 min

Designing fallbacks that actually work

A fallback that’s never tested is a second outage waiting to happen. Here’s how to design, test and monitor fallbacks for agents.

Jul 28, 2026

Isometric grid plane with white line-drawn boxes and one taller box dithered in orange

Engineering

7 min

Designing fallbacks that actually work

A fallback that’s never tested is a second outage waiting to happen. Here’s how to design, test and monitor fallbacks for agents.

Jul 28, 2026

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