3 posts
ADD and Claude Code's Plan Mode both fix direction before an agent builds — but at different scales. Plan Mode is an in-session, read-only guardrail; ADD is a cross-session, evidence-gated method. Why the question isn't which, but which layer.
14 min readWhere ADD sits among its neighbors: the lineage it inherits from TDD, DDD, BDD, and contract-first design, and how it differs from spec-kit and GSD by continuing past Verify to Observe and folding the loop closed.
13 min readTests-first, pointed at an AI agent: write a red suite that asserts observable behavior, then turn the agent loose with one instruction — make every test pass, change nothing in the tests or the contract. Red to green.
11 min read