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Latest in Testing & Quality
Keep the Score Contract Out of the Agent's Write Set
1+ hour, 5+ min ago (803+ words) A green CI job on an agent branch is not a score. It is a claim that the tree the agent left behind still exits zero. Those claims diverge as soon as the agent can delete tests, rewrite goldens, skip…...
Preventing Duplicate Agent Execution on iOS
2+ hour, 28+ min ago (374+ words) Stable operation IDs prevent iOS retries from duplicating agent tools across LangGraph, MCP Tasks, Kafka, and App Attest. The dangerous state is therefore not “request failed,” but “completion is unknown.” If that request starts an agent that charges an account,…...
The agent refused to delete our "dead" backend. It was right.
1+ hour, 56+ min ago (968+ words) A few weeks ago I asked an AI agent to delete a directory from a live production repository. The ticket described it as a dead legacy backend. The HTTP service it contained had been retired, the product ran on a…...
Your Health Checks Are Verifying the Wrong Thing
3+ hour, 36+ min ago (784+ words) Four bugs in one week. All of them passed monitoring. All of them were the same bug. Last week I found four separate faults in a system I built. A financial figure that was wrong by 16 times. A metric frozen…...
API Testing
3+ hour, 21+ min ago (17+ words) API Performance Testing: How to Design Realistic Tests Real-world traffic rules and... Tagged with api, performance, testing....
What happens when enterprise requirements hit Strands, LangGraph, and CrewAI - 45 runs measured
3+ hour, 38+ min ago (712+ words) What happens when enterprise requirements - human approval gates, audit trails, structured output - hit three agent frameworks? The first article measured how Strands, LangGraph, and CrewAI differ on a plain task. This one measures what happens when the task grows up:…...
The agent exited cleanly, did nothing, and reported success
4+ hour, 14+ min ago (504+ words) An agent I dispatched exited with status zero, did nothing at all to the code, and wrote a report saying the work was finished. My runner scored it a pass. It was not hallucinating wildly or throwing errors. It produced…...
Split Config Docs Into Extracted Keys and Operator-Signed Constraints
4+ hour, 14+ min ago (396+ words) A model, or any mechanical extractor, may draft only claims that are reconstructible from the current tree without talking to production. That set is smaller than a typical README suggests, and naming it explicitly keeps later steps honest. The following…...
We Measured the 200x Claim, and Got It Wrong Twice First
4+ hour, 26+ min ago (1835+ words) Last week we wrote about the classification problem hiding in your LLM bill, and about how to read a "193.6x faster" claim before repeating it. The post ended with a line admitting we had no access to the model in question,…...
What Jev Changes in AI Test Automation
10+ hour, 18+ min ago (1779+ words) See how our product works Jev is a System One decision model released by TypeSafe in September 2026, and it does not write text. It reads a state, answers typed questions about it, and returns a choice or a probability. At…...