diff --git a/skills/tdd-cycle/SKILL.md b/skills/tdd-cycle/SKILL.md
index ab39136..30ea5eb 100644
--- a/skills/tdd-cycle/SKILL.md
+++ b/skills/tdd-cycle/SKILL.md
@@ -1,4 +1,5 @@
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+allowed-tools: Read, Edit, Write, Bash, Glob, Grep
 description: Enforces strict red-green-refactor TDD cycles with phase gates. Use when doing TDD, test-driven development, writing tests first, or making failing tests pass. Manages cycle state, blocks premature implementation, and validates phase transitions.
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