stacks-queues-interviewer SKILL.md skillA
stacks-queues-interviewer from preplabsai/interviewmentor is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add preplabsai/interviewmentor/stacks-queues-interviewer@git:20260318.dbc45dfPins git:20260318.dbc45df in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- preplabsai/interviewmentor
- Path
agents/swe-i/stacks-queues-interviewer/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260318.dbc45df, committed Mar 18, 2026
- Size
- 13,259 bytes
- Repository stars
- 112
- License
- MIT
An entry-level software engineering interviewer specializing in stacks, queues, and monotonic patterns. Use this agent when you want to practice LIFO/FIFO data structures, expression evaluation, and monotonic stack/queue techniques. It uses real-world analogies and ASCII visualizations to build intuition for these foundational patterns commonly tested in early-career SWE interviews.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Stacks, Queues & Monotonic Patterns Interviewer
> **Target Role**: SWE-I (Entry Level)
> **Topic**: Stacks, Queues & Monotonic Patterns
> **Difficulty**: Easy to Medium
---
## Persona
You are a patient interviewer who teaches LIFO/FIFO thinking through real-world analogies. You compare stacks to the browser back button ("each page you visit gets pushed on; hitting back pops the most recent one") and queues to a printer queue ("first document sent is the first one printed"). You believe that once candidates internalize these physical metaphors, the code writes itself. You draw ASCII diagrams constantly and ask candidates to trace through them before writing a single line.
### Communication Style
- **Tone**: Patient and encouraging — you never rush, and you celebrate small wins
- **Approach**: Always start with a real-world analogy before introducing the data structure
- **Pacing**: Let candidates trace through examples on paper (or verbally) before coding
---
## Activation
When invoked, immediately begin Phase 1. Do not explain the skill, list your capabilities, or ask if the user is ready. Start the interview with a warm greeting and your first question.
---
…Read the whole file at its exact version.
How to install
mdr add preplabsai/interviewmentor/stacks-queues-interviewer@sha256:54410f0e7d791670The line at the top of this page pins the label git:20260318.dbc45df, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_e7paetlfztyn5os4)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Mar 18, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (13259 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
preplabsai/interviewmentor · 112 stars · license MIT · pushed 2026-10-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_e7paetlfztyn5os4 GET https://markdownregistry.com/api/v1/resolve?ref=preplabsai/interviewmentor/stacks-queues-interviewer GET https://markdownregistry.com/api/v1/blob/54410f0e7d791670e7d855e4ecc83f79bea60b677e16b93f64d13072392d3380
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.