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Save 3 months of testing 120 Claude codes. The map showing which 7 shift reasoning and how the others fool you.
Grounded in available product and source data
Most so-called secret Claude prompts are tone changes being sold as reasoning unlocks. I ran blind A/B trials across 40 of the most-shared codes over three months. 7 measurably change what Claude decides. 33 only change how it sounds. The full cheat sheet documents all 120 with before/after data so you stop wasting tokens on placebos.
Each code ships with the exact prompt, real before/after from Sonnet 4.6 and Opus 4.7, token deltas, and failure modes. Picture yourself with this open on a second monitor.
It might be worth considering, perhaps, some of the potential trade-offs here, though of course there are many angles from which this could be viewed.
Trade-off: faster ship, weaker tests. Ship the MVP. Harden tests in week 2. Track regression rate weekly.
Let's dive into the crucial landscape of modern API design. In today's fast-paced digital world, it is essential to leverage cutting-edge paradigms.
Modern APIs fail the same way old ones did: bad error shapes, unstable IDs, leaky auth. Fix those three and the rest is taste.
3 free rewrites a day, no signup. The engine picks 3 tested codes for the shape of what you paste and hands back a compiled prompt.
One-time payment, lifetime updates. No subscriptions, ever.
