Spec-Driven Development

When an agent writes the code, the code stops being the clearest statement of what the product should do. These pages cover specs as the durable artefact, and the verification that has to sit next to them.

8 articles, newest first.

Illustrated Shiplight blog cover: a glossy AI chip reading a specification document and producing a small app window, with a green checkmark verifying the output matches the spec, arranged in a compact loop.
EngineeringGuides

Spec-Driven Development with AI Coding Agents

Illustrated Shiplight blog cover: two glossy floating panels balanced side by side, a spec-first blueprint on the left and a test-first green checklist on the right, on a soft divider.
EngineeringBest Practices

Spec-Driven Development vs Test-Driven Development

a glossy spec blueprint transformed through a green verification badge into a working app window.
EngineeringGuides

Spec-Driven Development with GitHub Spec Kit: A Practical Workflow

Illustrated Shiplight blog cover: a single glowing indigo specification document raised on a subtle pedestal as the source of truth, with translucent disposable code blocks being regenerated from it.
Engineering

When Agents Write the Code, the Spec Is the Source of Truth

Illustrated Shiplight blog cover: a glossy red failing-test card transforming into a green passing-test card with a checkmark, a small AI chip assisting the red-to-green transition.
AI TestingEngineering

Test-Driven Development in the AI Era

Illustrated Shiplight blog cover: a bright green verification checkmark badge stamped as proof onto a glossy block of code front and center, with a faint faded unverified code block behind it.
EngineeringBest Practices

Verification-Driven Development: Building Software Agents Can Prove

Illustrated Shiplight blog cover: a single glowing glossy specification document elevated as the source of truth, with lines of code and a small app window being generated from it by light beams.
EngineeringGuides

What Is Spec-Driven Development? A 2026 Guide

Illustrated Shiplight blog cover: a glossy requirements document expanding outward into a full grid of end-to-end coverage marked with green checkmarks.
EngineeringEnterprise

From "Done" to "Proven": How to Turn Product Requirements into Living End-to-End Coverage

Other topics

Agent-Native TestingFlaky TestsSelf-Healing TestsMCP and Agent ToolingPlaywrightAI Coding AgentsEnd-to-End TestingCI and Release GatesTesting AI FeaturesTool ComparisonsEnterprise and ComplianceQA FoundationsNo-Code and Natural-Language TestingAI Testing StrategyAgentic QA

See testing that keeps up with your AI coding agents.