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Interview Prep

Organization
cosmicstack-labs
interview-prep

Behavioral frameworks, technical interview patterns, system design, coding, and negotiation prep

Overview

Publishercosmicstack-labs
Repositorymercury-agent-skills
Skill nameinterview-prep
Stars
485
Forks
63
Bundled files
Instructions only
LicenseMIT
Links
Skill sourceRepositoryHomepage
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • Self-contained

    Everything the model needs lives in the instructions — no extra files to sync.

  • Open source

    Published by cosmicstack-labs on GitHub. Read the source before you install it.

Installation

Install the Interview Prep AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/cosmicstack-labs/mercury-agent-skills/tree/main/categories/career/interview-prep
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/cosmicstack-labs/mercury-agent-skills.git /tmp/mercury-agent-skills
mkdir -p .claude/skills
cp -r /tmp/mercury-agent-skills/categories/career/interview-prep .claude/skills/interview-prep
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Interview Prep in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Interview Prep on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Interview Prep is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Interview Prep

Systematic preparation for technical and behavioral interviews.

Behavioral Frameworks

STAR for Behavioral Questions

Tell me about a time when...

ElementWhat to Cover
SituationContext — project, team, timeline
TaskYour specific responsibility
ActionWhat YOU did (not the team)
ResultQuantified outcome, what you learned

Common Questions to Prepare

  1. "Tell me about yourself" → 60-second career narrative
  2. "Biggest challenge/project" → STAR with technical depth
  3. "Conflict with a teammate" → Show emotional intelligence
  4. "Failure/mistake" → Honest story + what you learned
  5. "Why this company?" → Research-driven, specific

Technical Interview Prep

Coding

  • Practice 2-3 problems daily (LeetCode medium)
  • Focus on: Arrays, Hashmaps, Trees, Graphs, DP
  • Always: Clarify → Brute force → Optimize → Code → Test
  • Think out loud — interviewer wants to hear your process

System Design

Practice these scenarios:

  • Design URL shortener (read-heavy, hashing, scaling)
  • Design chat system (WebSockets, persistence, presence)
  • Design news feed (fan-out, caching, ranking)
  • Design rate limiter (token bucket, sliding window, distributed)

Pre-Interview Checklist

  • Research company and interviewers on LinkedIn
  • Prepare 3 questions to ask at end
  • Test your camera, mic, internet
  • Have water, notebook, pen ready
  • Review your resume and projects

Frequently asked questions

What does the Interview Prep AI skill do?

Behavioral frameworks, technical interview patterns, system design, coding, and negotiation prep

Why use Interview Prep on TypingMind?

Because you install it once and use it with any model. Interview Prep is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Interview Prep in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/cosmicstack-labs/mercury-agent-skills/tree/main/categories/career/interview-prep. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Interview Prep?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Interview Prep?

As many as you like. As long as a model supports skills, you can use Interview Prep with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Interview Prep AI skill free?

Yes. It is published on GitHub by cosmicstack-labs under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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