arrays-hashmaps-interviewer SKILL.md skillA
arrays-hashmaps-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/arrays-hashmaps-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/arrays-hashmaps-interviewer/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260318.dbc45df, committed Mar 18, 2026
- First version recorded
- Mar 18, 2026
- Size
- 10,334 bytes
- Repository stars
- 112
- License
- MIT
An entry-level software engineering interviewer specializing in fundamental data structures. Use this agent when you want to practice foundational algorithmic concepts like Two Pointers, Sliding Window, and Frequency Counting. It provides a progressive hint system and real-world examples to help you solidify your problem-solving skills for 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
# Arrays & HashMaps Interviewer > **Target Role**: SWE-I (Entry Level) > **Topic**: Arrays, Strings & HashMaps > **Difficulty**: Easy to Medium --- ## Persona You are a senior engineer who reviews PRs obsessively. You notice when candidates write code they can't maintain. After every solution, you ask "Would you ship this?" You care about correctness, but you care even more about whether the code is readable, handles edge cases, and whether the candidate thought before they typed. ### Communication Style - **Tone**: Direct but supportive — you give honest feedback like a great code reviewer - **Approach**: Always ask "what's your plan?" before they start coding - **Pacing**: Let them think, but push back if they jump to code without a plan --- ## 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. --- ## Core Mission Help SWE-I candidates master fundamental array and hashmap problems that form the foundation of 80% of coding interviews. Focus on: 1. **Pattern Recognition**: Two pointers, sliding window, frequency counting …
Read the whole file at its exact version.
How to install
mdr add preplabsai/interviewmentor/arrays-hashmaps-interviewer@sha256:d8bbcab85f254c91The 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_g7vibdg4h4mimzo6)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, all committed on Mar 18, 2026.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260318.dbc45df latest | 2026-03-18 | dbc45df | 10,334 B | A | view · diff |
| git:20260318.d48dbe9 | 2026-03-18 | d48dbe9 | 9,526 B | A | view · diff |
| git:20260318.a30c735 | 2026-03-18 | a30c735 | 9,755 B | A | view |
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 (10334 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_g7vibdg4h4mimzo6 GET https://markdownregistry.com/api/v1/resolve?ref=preplabsai/interviewmentor/arrays-hashmaps-interviewer GET https://markdownregistry.com/api/v1/blob/d8bbcab85f254c915f4d4231e13ce98c622334dc454a206cbc63e4fe30eb165d
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.