#Observability

Callbacks and Middleware: Porting ADK Hooks to MAF's Decorator Pattern

How to instrument agents for observability, error handling, and audit logging.

Callbacks to middleware: composable decorators for audit, retry, token enforcement, and OpenTelemetry integration.

OpenTelemetry and Evaluation in Multi-Agent Workflows — the full production stack

How to instrument multi-agent systems with OpenTelemetry, propagate trace context across an in-memory bus, and build a layered evaluation pipeline — from real-time policy gates to async LLM-as-judge to SLO-based trust scoring. Everything I learned building Genie.

airshipit + OpenTelemetry — 30% reduction in manual ops in a multi-vendor OSS project

Notes from integrating OpenTelemetry into airshipit, an open-source bare-metal Kubernetes lifecycle project with contributions from Ericsson, AT&T, Microsoft, and others. The hard part wasn't OTel; it was making distributed traces useful across foreign code.

Picnic — 80%+ test coverage and Prometheus observability turned days-to-detect into minutes-to-detect

Test coverage and observability are the boring infrastructure that makes the interesting changes safe. Notes on how the Picnic team built both, and the on-call experience they enabled.