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Illustrated Shiplight blog cover: two glossy stacked cost bars side by side, one plain compute minutes and one compute plus a smaller glowing token block, with a calculator card between them showing the per-run difference.
EngineeringGuides

What Does an Agent-Run Test Suite Actually Cost Compared to Plain CI?

Illustrated Shiplight blog cover: a glossy instruction-contract card pinned inside a git repository block, its rules radiating as thin guide-lines to several small agent cores working around it.
GuidesEngineering

AGENTS.md: Using It as a Testing Contract, Not Just Style Notes

Illustrated Shiplight blog cover: a glossy test card stamped with a bright green checkmark while a small crack in the code block beside it goes unnoticed, and a second card catching the same crack.
AI TestingEngineering

Do AI-Generated Tests Actually Catch Bugs?

Illustrated Shiplight blog cover: three glossy labelled agent tiles in sequence, the first drafting a plan card, the second producing a test file, the third repairing a cracked test back to a bright green checkmark.
GuidesEngineering

Playwright's Test Agents: Planner, Generator and Healer

Illustrated Shiplight blog cover: a glossy chat window emitting three differently worded responses that all pass through one structural assertion gate into a bright green checkmark.
AI TestingEngineering

How to Test AI Features in Your Product

Illustrated Shiplight blog cover: a glossy software block being redesigned so its actions expose outward as callable connector ports and its outputs land as readable file cards, with a small human approval gate at the far edge.
EngineeringGuides

Agent-Native Architecture: Designing Software Agents Can Actually Operate

See testing that keeps up with your AI coding agents.