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Engineering · Skill

Zero-Hallucination Coder

Use before high-stakes or multi-file coding (auth, databases, migrations), or when asked to plan carefully and avoid invented APIs. Runs discuss, map, decompose, execute and verify, checking every import and API exists. Not for trivial edits.

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What the skill covers

The sections of its instructions, in order.

  1. 01 When to invoke (opt-in discipline)
  2. 02 Credits & Inspiration
  3. 03 Before Starting
  4. 04 Modes
  5. 05 The Five-Phase Loop
  6. Phase 1: DISCUSS
  7. Phase 2: MAP
  8. Phase 3: DECOMPOSE
  9. Phase 3.5: PONYTAIL CHECK (runs before every story)
  10. Phase 4: EXECUTE
  11. Phase 5: VERIFY
  12. 06 Anti-Patterns (Rules 1-7 — always on, even when short-circuiting)
  13. 07 Context Engineering Rules
  14. 08 When to Short-Circuit
  15. 09 Proactive Triggers
  16. 10 Output Artifacts
  17. 11 Cross-References

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Frequently asked questions

What does Zero-Hallucination Coder do?

Use before high-stakes or multi-file coding (auth, databases, migrations), or when asked to plan carefully and avoid invented APIs. Runs discuss, map, decompose, execute and verify, checking every import and API exists. Not for trivial edits.

Is Zero-Hallucination Coder free to use?

Yes. Zero-Hallucination Coder is published by Alireza Rezvani under the MIT licence, and you can use it with a free Phở account.

How do I use Zero-Hallucination Coder in Phở?

Press Open in Phở, then Try to apply it to your next message, or add the Engineering review set so Phở loads it whenever a request matches.

Does Zero-Hallucination Coder need other tools?

No. It works in a normal Phở chat with what you type or upload.

Copied unchanged from alirezarezvani/claude-skills at commit c85b17e and credited to Alireza Rezvani, who is not affiliated with Phở. The full instructions and licence text ship with the skill inside Phở.