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# observability

Gaining deep insights into system behavior through metrics, logs, and traces.

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Helicone was acquired by Mintlify. Here is a migration checklist if you are moving off.

Helicone was acquired by Mintlify. Here is a migration checklist if you are moving off.

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3 min read
A Failed Eval Is a Decision: What Your Agent Should Actually Do When a Gate Goes Red

A Failed Eval Is a Decision: What Your Agent Should Actually Do When a Gate Goes Red

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5 min read
Logging — Request Logging

Logging — Request Logging

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13 min read
When an LLM answer is wrong, the trace is where you look. Some tools make that easy.

When an LLM answer is wrong, the trace is where you look. Some tools make that easy.

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5 min read
Catch New Errors in Production Before Your Users Do

Catch New Errors in Production Before Your Users Do

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7 min read
Prometheus at Scale: Surviving the Cardinality Cliff

Prometheus at Scale: Surviving the Cardinality Cliff

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2 min read
Deploying ClickHouse on Kubernetes

Deploying ClickHouse on Kubernetes

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5 min read
Datadog Alternatives for Small Teams (2026)

Datadog Alternatives for Small Teams (2026)

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6 min read
🔁 One Health Check Turned a 10-Minute Outage Into 40

🔁 One Health Check Turned a 10-Minute Outage Into 40

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4 min read
50 Agents Exchanged 200 Messages. Something Failed. You Cannot Find the Root Cause. Observability Belongs in the Messaging Layer.

50 Agents Exchanged 200 Messages. Something Failed. You Cannot Find the Root Cause. Observability Belongs in the Messaging Layer.

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5 min read
Observability for LLM Apps: Tracing, Cost Tracking, and Eval Loops

Observability for LLM Apps: Tracing, Cost Tracking, and Eval Loops

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5 min read
Lightrun brings production impact into the PR review, and the merge gate gets more interesting

Lightrun brings production impact into the PR review, and the merge gate gets more interesting

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4 min read
Mastering Production Reliability: Practical Observability with OpenTelemetry, Prometheus, and GitHub Actions

Mastering Production Reliability: Practical Observability with OpenTelemetry, Prometheus, and GitHub Actions

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3 min read
We deployed a LangChain agent for a client and it silently failed for two weeks. Here's what we built to make sure it never happens again.

We deployed a LangChain agent for a client and it silently failed for two weeks. Here's what we built to make sure it never happens again.

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5 min read
Silent Drift in Agent Decision Quality: Catching It Before Your Users Do

Silent Drift in Agent Decision Quality: Catching It Before Your Users Do

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7 min read
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