Production Feedback
Trace Pattern Triage Into Structured Prompt and Logic Fix Candidates
Localizing the decisive step and naming its harness layer keeps fixes from landing on symptoms.
Marcus Oyelaran
· 9 min read
Ship Signals
Production Feedback
Making Observability Signal the Handoff Artifact Between Monitoring and Shipping
Structured trace evidence turns production failures into verified fixes.
Sonja Ketterer8 min read
Regression Testing
Regression Assertions That Expose Silent LangGraph Tool Failures Before Wrong Answers Reach Output Nodes
Assertions on state transitions catch tool failures that monitoring misses as success.
Marcus Oyelaran8 min read
Regression Testing
Catching CrewAI Tool Exception Swallowing With Automated Return Value Regression Tests
Automated tests on tool returns catch silent failures that logging misses.
Priya Subramaniam8 min read
Replay Evaluation Design
Sampling Historical Conversations to Surface Agent Regression Blind Spots
Test agent changes using historical production conversations, not synthetic benchmarks.
Marcus Oyelaran8 min read
Replay Evaluation Design
Prompt Edit Confidence From Trace Coverage Not Benchmark Scores
Production traces reveal confidence in prompt edits that benchmarks cannot.
Darnell Fitch8 min read
Agent Failure Attribution and Root-Cause Isolation
Narrowing a Production Agent Outage to One Harness Layer Before the Postmortem Starts
Pinpoint which harness layer broke your agent before the postmortem meeting starts.
Darnell Fitch9 min read
Agent Failure Attribution and Root-Cause Isolation
Prompt vs Tool vs Workflow Failures in LLM Agents
Diagnose agent failures by identifying whether the defect lies in prompt, tool, or workflow.
Darnell Fitch8 min read
Agent Failure Attribution and Root-Cause Isolation
Harness Layer Attribution Methods for Production Agent Failures
Trace agent failures backward to pinpoint whether the model or harness needs repair.
Priya Subramaniam8 min read
Agent Failure Attribution and Root-Cause Isolation
Building a Failure Attribution Workflow Into Agent Incident Response
Trace your agent failures to their earliest harness layer to fix the right problem first.
Marcus Oyelaran9 min read
Production Feedback
Measuring Cycle Velocity to Prove Your Agent Improvement Loop Is Compounding
Track four metrics together to separate real agent improvement from the illusion of shipping fixes.
Sonja Ketterer8 min read
Regression Testing
Regression Assertions on Tool Return Payloads That Catch Silent Failures Before Output Corruption
Catch silent tool failures before they corrupt agent pipelines.
Marcus Oyelaran9 min read
