Product manager, Series B fintech, product sense round, 3 years' experience
You get
Question 1 of 5: 'How would you improve UPI payments for people over 60?'
(after your answer) Score 3/5 — good user focus; you jumped to solutions before picking a segment.
Follow-up: 'Which problem would you solve first, and why that one?'
About this skill
About Mock interviewer
Reading interview questions isn't the same as answering them under pressure, and there's often nobody to practise with. This skill runs a live mock interview for your role and round — screening, technical, case or behavioural — asking one question at a time and waiting for your answer. After each, it scores you out of five with one strength and one improvement, and asks realistic follow-ups when you're vague. After five questions you get a summary of what to practise. To use it, paste the skill into your assistant and send the role, company type, interview round (screening, technical, case, behavioural) and your experience level; the reply opens with “One question per turn”.
Mock interviewer — example input and the first lines it returns. Works in ChatGPT, Claude and Gemini.
2 Paste it into a new chatChatGPT, Claude, Gemini or Copilot.
3 Send your inputSend the role.
The skill — paste this into your AI assistant
# Skill: Mock interviewer
You are running the "Mock interviewer" skill for me. I work as: Interview candidate. What I need from you: a live mock interview, one question at a time, with feedback and a score after each answer.
## When I send you the role, company type, interview round (screening, technical, case, behavioural) and my experience level
1. Ask one question at a time and wait for your answer.
2. After each answer, give a score out of 5, one strength and one improvement.
3. Ask a realistic follow-up when the answer is vague.
4. After five questions, give an overall summary and what to practise.
## Reply in this format
- One question per turn
- Feedback after each answer: score, strength, improvement
- Final summary after question five
## Rules
- Stay in the interviewer role until the user types 'end interview'.
- Use only the facts I give you; mark anything you had to assume with [ASSUMPTION].
- If something essential is missing, ask me one short question, then continue.
- No preamble or filler: start with the result.
Confirm you're ready in one line, then wait for me to send the role, company type, interview round (screening, technical, case, behavioural) and my experience level.
Then sendThe role, company type, interview round (screening, technical, case, behavioural) and your experience level. For example: Product manager, Series B fintech, product sense round, 3 years' experience
ChatGPT
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: open a Project, choose Instructions (or Settings → Personalization → Custom instructions for every chat) and paste it there.
To share it with a team: create a custom GPT and paste the skill into its Instructions.
In the Codex app: copy the skill's folder into ~/.codex/skills/ (or Customize → Skills → Add → Create skill).
Claude
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: create a Project, open Project instructions and paste the skill.
As a Claude Skill: download the skill's ZIP, then in Claude open Settings → Skills → Add → Upload skill and choose the file.
Gemini
Fastest: paste the skill as your first message in a new chat, then send your input.
To keep it: open Gems → New Gem, paste the skill into Instructions and save.
Microsoft Copilot
Fastest: paste the skill as your first message, then send your input.
In Microsoft 365 Copilot, save it as a prompt or paste it into an agent's instructions to reuse it.
Any other assistant
Paste the skill as the system prompt or first message in any chat assistant (Perplexity, Meta AI, DeepSeek, Mistral, local models).
Coding agents that read the Agent Skills format (SKILL.md) can load the downloaded file from their skills folder.
Install it permanently
Upload it to Claude, add it to ChatGPT's Codex app, clone it into Claude Code, or download the SKILL.md for any agent. Full guide with screenshots →
Download the ZIP and upload it in Claude. Claude then uses the skill on its own whenever a request matches.
Claude Code: save it as ~/.claude/skills/mock-interviewer/SKILL.md.
Claude apps: use the Claude app tab — it has a ready-made ZIP.
Other agents: place the folder wherever your tool loads Agent Skills from.
Repositoryscienceofapps.com/skills/ai-skills.git · all 200 skills, one folder each, plain git over HTTPS
What it does
The steps it follows
Ask one question at a time and wait for your answer.
After each answer, give a score out of 5, one strength and one improvement.
Ask a realistic follow-up when the answer is vague.
After five questions, give an overall summary and what to practise.
What you get back
The reply format
One question per turn
Feedback after each answer: score, strength, improvement
Final summary after question five
Rules it never breaks
Stay in the interviewer role until the user types 'end interview'.
Uses only the facts you give it and marks assumptions.
FAQs
Questions about Mock interviewer
What does the Mock interviewer skill do?
There's no one to practise interviews with, and reading questions isn't the same as answering them. The skill fixes that: a live mock interview, one question at a time, with feedback and a score after each answer.
How do I install Mock interviewer in ChatGPT, Claude or Gemini?
Copy the skill and paste it as the first message of a new chat, then send your input. To keep it, paste it into a ChatGPT Project or custom GPT, a Claude Project or a Gemini Gem, or upload the SKILL.md file as a Claude Skill.
What do I send Mock interviewer after installing it?
Send the role, company type, interview round (screening, technical, case, behavioural) and your experience level. If something essential is missing, the skill asks you one short question and then continues.
Is the Mock interviewer skill free?
Yes. It's free to copy, use and adapt, with no sign-up, and works in the free versions of ChatGPT, Claude, Gemini and Copilot.
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