A developer shares practical lessons learned from building a VS Code terminal editor extension using Claude AI. Key insights include using a plan.md workflow for structured LLM interactions, treating specs/code/tests as interchangeable formats, and the critical importance of fast, end-to-end testing for AI-assisted development. The author emphasizes that while LLMs excel at code generation, they require proper feedback loops and human oversight in the control plane rather than data plane.

8m read timeFrom matklad.github.io
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Terminal EditorPlan / ResetWhiteboard / Agent MetaphorSpec Is Code Is TestsTestsConclusions
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