Build an interview room in Claude that drills you until you stop freezing up
Hey, it's Cindy 🌱 You're going to turn Claude into a personal interview room that runs realistic mock interviews, grades every answer, and pushes back when you're vague.
btw the waitlist for AI System Club is now open! If you're keen on using AI to automate your content, video editing, job search, business or build AI agents, feel free to sign up (only if you want to hehe). Ps. the waitlist gets first dibs:)
why this works
Practice beats memorising
Interviews feel random, but they're not. The most predictive interviews are structured ones, where the interviewer asks the same competency-based questions and scores against a rubric. Structured interviews are the single strongest predictor of on-the-job performance among common hiring methods (Sackett et al., 2022, siop.org). That's great news for you: if the interview is really a rubric, you can reverse-engineer the rubric, then rehearse against it until your answers are automatic. That's exactly what this Claude room does.
🗣 Your story A tight 60 to 90 second "tell me about yourself" that opens strong and points at the role, not your whole life history.
⭐ Your STAR bank 8 to 10 real stories, each mapped to several question themes, so one story covers conflict, pressure, and initiative depending on what they ask.
🎭 Your persona cast Five interviewer characters you can swap in to change the pressure, from a warm screening call to a tough panel.
🔁 Real reps Claude asks one question at a time, waits for your answer, scores it, and makes you redo the weak ones. That's the part a question list can't give you.
the opener
"Tell me about yourself" with Present, Past, Future
This question opens almost every interview, and most people fumble it by reciting their resume top to bottom. Use a three-part shape instead. It keeps you to 60 to 90 seconds and lands you pointing straight at the role.
1. Present Who you are professionally right now and what you're known for, aimed at what this role actually values. One or two sentences, no windup.
2. Past A short highlight reel of only the 2 to 3 experiences that prove you can do this job. Not your whole CV, just the evidence that matters, each with a real outcome.
3. Future Why you want this exact role, connecting where you're headed to something specific about their team, product, or mission.
The landing End on the future beat so you finish pointing at the role, which naturally hands the conversation back to them.
💡 A quick worked example. "Right now I run paid social for a health brand, and I'm the person the team hands a campaign to when it needs to actually convert, not just look good (present). Before this I scaled a client's ad account from break-even to a 3x return in four months, and rebuilt their creative testing so they shipped 30 variants a week instead of 3 (past). What pulls me to this role is that you're taking that same testing rigour into a category I care about, and I want to own that end to end for you (future)." Roughly 70 words, lands in about 40 seconds spoken, and finishes on why them.
the story system
STAR and the reusable-story bank
Behavioural questions ("tell me about a time you...") are where most interviews are won or lost. The fix is STAR, a four-part shape that stops you from rambling:
S · Situation The context, in one or two lines. Enough to set the scene, no more.
T · Task What you specifically were responsible for. Make your role clear, not "we".
A · Action What you actually did, step by step. This is the bulk of the answer.
R · Result How it turned out, with a number. This is where almost everyone is weakest.
Now the leverage move: don't write one story per question. Prep 8 to 10 strong stories, then map each one to two or more question themes, because interviewers ask the same underlying themes in different words. A single "I turned around a failing project" story can answer conflict, pressure, and leadership depending on how you frame the telling.
Question theme
What they're really testing
Conflict
Can you disagree with someone and keep the relationship
Failure
Do you own mistakes and learn, or deflect
Leadership
Can you move a group without formal authority
Ambiguity
Can you make progress with no clear brief
Pressure
Do you stay effective when the stakes and deadline are real
Initiative
Do you start things, or wait to be told
🔢 Force a number into every Result. The Result is where people go soft ("it went really well", "the client was happy"). That's a wasted answer. Put a real outcome on it: a percentage, a dollar figure, a time saved, a rank, a retention number. If you can't find a hard number, use a concrete proxy ("cut the weekly report from 3 hours to 20 minutes"). No number, no impact.
your turn to ask
Smart questions to ask, and when to ask them
"Do you have any questions for us?" is not a formality, it's part of the evaluation. Good questions signal that you're already thinking like someone in the seat. Two things most people get wrong:
⏱ You can ask during, not just at the end Dropping a sharp question mid-conversation ("how does the team measure success on this?") turns the interview into a two-way dialogue instead of an interrogation. It also lets you tailor your next answer to what they tell you.
🎯 Ask about the actual work "What does a great first 90 days look like?", "What's the biggest thing slowing the team down right now?", "How will you know in six months that this hire worked?" These get real answers and show you're picturing the job.
🔓 The closer question, ask it before you leave. "Based on our conversation, is there anything about my background that makes you hesitant to move me forward?" This surfaces objections while you're still in the room to answer them, instead of losing silently after you walk out. It takes nerve, and it's worth it. If they name a gap, you get one last chance to address it. If they don't, you leave reassured.
the mindset shift
Treat the interview like a sales call
The best interviewees don't think "please pick me". They run the conversation like a good salesperson runs a discovery call: understand the need first, then show the one thing that fits it, check for objections, and ask for the next step. You are the product, and the job is a sale you're closing on yourself.
Sales call move
Interview version
Discovery (ask before you pitch)
Ask what the role really needs and what "great" looks like before you launch into your stories
Demo (show the fitting feature)
Tell the STAR story that maps to the exact need they just described, not a random highlight
Trial close
"Does that line up with what you're looking for?" to check you're landing
Handle objections
When they hesitate or probe a gap, address it directly instead of hoping they forget
Ask for the next step
Close with "what are the next steps, and when should I expect to hear back?"
💡 Discovery is the unlock. If you ask two good questions early and actually listen, every story you tell afterwards can be aimed at what they said they need. That's the difference between a generic answer and one that sounds custom-built for the job.
copy this
Prompt 1: your mock interviewer
👇 This is the main event. Paste it into Claude, fill in the two brackets (the role and your background), and it runs a realistic interview one question at a time, grading you after each answer. It runs beautifully in Claude's voice mode, so you can practice out loud the way the real thing happens.
🎤 the mock interviewer, runs great in Claude voice mode
You are my interviewer for a specific role, and you do not go easy on me. Your job is to run a realistic mock interview, one question at a time, then grade me honestly so I actually improve. The role: [paste the job title + full job description]. My background: [paste resume, or tell Claude to work from what it knows about me]. Difficulty: [warm-up / realistic / tough panel] (default realistic). How to run it: 1. First, based on the job description, tell me the 3-4 competencies this interview will really test. This is what you'll grade against. 2. Then interview me ONE question at a time, wait for my full answer before the next. Mix: 1 "tell me about yourself", 5-6 behavioral STAR questions from those competencies, 1-2 role-specific technical/scenario questions, and 1 curveball. 3. After EACH answer, before moving on, give me: a score out of 10, the single strongest thing about my answer, the single biggest fix, and if I used STAR flag any missing part (usually a weak Result). Keep it tight, then ask the next question. 4. If an answer is vague or missing a real outcome, push back and make me redo it before moving on. 5. At the end: an overall readiness score out of 100, my 3 recurring weaknesses, and the 2 answers I most need to rebuild. Be direct and specific, never inflate a score to be nice, never invent experience for me, if I'm not ready tell me plainly and exactly what to drill.
copy this too
Prompt 2: your "tell me about yourself" builder
👇 Run this one first if you just want a clean opener. It builds your Present, Past, Future answer, tailored to the exact role, plus a 20-second version for phone screens.
🗣 the tell-me-about-yourself builder
You are an interview coach. Build me a tight, 60-90 second "tell me about yourself" answer using the Present > Past > Future structure, tailored to a specific role. My background: [paste resume]. The role I'm interviewing for: [paste job title + description]. Do this: 1. PRESENT: 1-2 sentences on who I am professionally right now and what I'm known for, aimed at what THIS role values. 2. PAST: a highlight reel of only the 2-3 experiences that most directly prove I can do this specific job, each with a real outcome or number, not my whole history. 3. FUTURE: why I want this exact role, connecting my direction to something specific about their team, product, or mission. 4. Keep it 60-90 seconds spoken (roughly 150-220 words), natural, human, no buzzwords. Then give me: the full answer in a clean block, a 20-second elevator version for a phone screen, and 2 delivery notes. Everything must be true to my resume, if the role needs something my background doesn't show tell me how to honestly bridge it, don't fabricate it.
change the pressure
Swap the interviewer
Here's the fun part. Add a persona line at the very top of Prompt 1 (something like "For this session, play The Skeptical Hiring Manager described below:") and the whole feel of the interview changes. Run the same role against all five so nothing on the day can surprise you.
😊 The Friendly Recruiter A first-round screening call. Warm, high-level, checking basics and culture fit. Great for warming up and nailing your opener.
🧐 The Skeptical Hiring Manager Digs into every claim you make and asks "how exactly did you do that?" Trains you to back up numbers and own your specific role.
🪖 The Behavioural Drill Sergeant Pure STAR, question after question, no small talk. Forces you to keep every story tight and land a real Result each time.
👥 The Panel Three voices at once: a technical interviewer, a peer, and a skip-level leader, each with different priorities. Trains you to read the room and pivot.
🤝 The Closer Runs the ending: the "any questions for us?" round plus objection handling. Practice the closer question and asking for next steps here.
🧠 The Technical Reviewer Tests how you reason through unfamiliar problems, asks for tradeoffs, and pushes you to explain decisions without hiding behind jargon.
the honest bit
Three things to keep in mind
🚫 Never let it fabricate experience. Both prompts tell Claude not to invent things for you, and you should hold that line too. If your background doesn't show something the role wants, ask Claude how to honestly bridge the gap ("here's adjacent experience, here's what I'd learn fast"), not how to make something up. A story you can't back up in a follow-up question will sink you.
🔢 The Result is the weak spot, every time. When Claude scores you, watch how often the note is "your Result was vague". That's the pattern for almost everyone. Rebuild those answers first and put a real number on each one.
🎙 Run it in voice mode for the real reps. Reading answers in your head is easy. Saying them out loud, under a follow-up you didn't expect, is the actual skill. Use Claude's voice mode so you're rehearsing the thing you'll actually do, not a written version of it.
Want the full system, not just the prompts? This is one room inside The AI System Club, where I teach non-technical people to build AI tools like this for their work, career, and income, from scratch. Doors open soon and founding pricing dies at close. 🌱 Join the waitlist (link in my bio too) so you're first in when we open.
the waitlist is now open
AI System Club is launching soon
Build AI systems with me through recorded lessons you can follow at your own pace. Join the waitlist for first access and the founding price.
btw this list gets first dibs the moment doors open :)