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/tdd

Write code through a disciplined, BDD-framed Test-Driven Development loop: build a behavior test list, then drive each behavior through red-green-refactor with an enforced observed-failure gate. Use when the user wants to implement, build, or write code test-first, "do TDD",

shell
$ npx -y skills add testdouble/han --skill tdd --agent claude-code

How it fires

How this skill gets triggered: by you, by Claude, or both.

  • Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
  • You can call itInvoke it directly when you want it.
  • Slash command/tdd
How auto-invocation works

Context preview

The summary Claude sees to decide when to auto-load this skill.

Write code through a disciplined, BDD-framed Test-Driven Development loop: build a behavior test list, then drive each behavior through red-green-refactor with an enforced observed-failure gate. Use when the user wants to implement, build, or write code test-first, "do TDD",
Ships withhan

Han is a suite of AI skills and agents for solo (or small-team) product engineers.

Get the whole plugin, auto-invoked

Other skills on han.