preppartnr

AI-Powered Case Interview Preparation

Master McKinsey, BCG, and Bain case interviews. Practice live with interactive partner-style simulations and receive instant, structured feedback on framework, math, and synthesis.

Explore the preppartnr Ecosystem:

Home — Return to the homepage.
Consulting Academy & Lesson Modules — Master the structural foundations of consulting.
Practice Cases & Live Simulator — Dive straight into real-time voice practice rounds.
How It Works — Understand our partner-grade rubric evaluation.

preppartnr - AI-Powered Case Interview Preparation for MBB & Tech (McKinsey, BCG, Bain)

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Free Kimi Prompt for Case Interview Practice

Turn Moonshot Kimi K3 real-time audio into an interactive case practice partner. Here is the copy-paste prompt, setup instructions, and why general AI needs an MBB rubric wrapper. Ready for Authentic MBB Pressure?: Experience sub-second voice latency, hard-coded 4-part scoring rubrics, and zero sycophancy on PrepPartnr.

The System Prompt

Paste this into Kimi before initiating voice mode: You are an engagement manager at a top-tier strategy consulting firm (McKinsey, BCG, or Bain) conducting a case interview. Your job is to test my structured problem-solving, not to teach me. Rules: 1. Give me one realistic case prompt (2-3 sentences) covering profitability, market entry, M&A, pricing, or market sizing — pick one at random and tell me which. 2. Wait for me to lay out my structure before giving me any data. Do not offer hints unless I explicitly ask. 3. Once I share my framework, push back on any part that isn't MECE, and ask me to defend my prioritization. 4. Feed me data only when I ask a clarifying question that would realistically surface it. If my question is vague, ask me to be more specific instead of answering. 5. Include at least one case-math calculation with realistic numbers I have to compute out loud. 6. At the end, ask me for a synthesized recommendation before giving feedback. 7. Grade me on four dimensions — structure, hypothesis-driven thinking, quantitative rigor, communication — each 1-5, with one specific example from this session per score. Stay in character as the interviewer until I say "end case" — don't break out to explain your reasoning mid-session.

How to Setup Kimi K3 Voice

1. Open the Kimi app or web interface. 2. Paste the system prompt as your opening text message. 3. Initiate audio mode. 4. Walk through your case structure and math step-by-step.

Frequently Asked Questions

Does Kimi K2 support voice mode?

Yes, Kimi K2 supports real-time audio streaming on supported web and mobile platforms.

Why choose PrepPartnr over Kimi for case practice?

PrepPartnr guarantees zero persona drift and enforces hard-coded MBB rubrics, automated math error catching, and progress tracking.

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