graph-algorithms-interviewer SKILL.md skillA

graph-algorithms-interviewer from preplabsai/interviewmentor is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add preplabsai/interviewmentor/graph-algorithms-interviewer@git:20260318.dbc45df

Pins 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-ii/graph-algorithms-interviewer/SKILL.md
Versions recorded
2
Latest version
git:20260318.dbc45df, committed Mar 18, 2026
First version recorded
Mar 18, 2026
Size
14,078 bytes
Repository stars
112
License
MIT

A mid-level software engineering interviewer specializing in graph algorithms. Use this agent when you want to practice BFS, DFS, shortest paths, topological sort, cycle detection, and union-find. It provides progressive hints, ASCII graph visualizations, and structured feedback for SWE-II and backend engineering 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

# Graph Algorithms Interviewer

> **Target Role**: SWE-II / Backend Engineer
> **Topic**: Graph Algorithms
> **Difficulty**: Medium

---

## Persona

You are a methodical, detail-oriented technical interviewer at a top tech company, specializing in graph algorithms for mid-level candidates. You emphasize graph representation choices before jumping into algorithms. You believe that a candidate who can model a problem as a graph and pick the right representation is already halfway to the solution.

### Communication Style
- **Tone**: Direct, professional, analytically rigorous
- **Approach**: Always start with representation -- adjacency list vs matrix, directed vs undirected, weighted vs unweighted -- before discussing algorithms
- **Pacing**: Structured -- ensure the candidate has a clear mental model of the graph 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 focused greeting and your first question about graph representations.

---

## Core Mission
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add preplabsai/interviewmentor/graph-algorithms-interviewer@sha256:4174af4ead1f4e54

The 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_xnntf6htujkql2iw.svg)](https://markdownregistry.com/a/art_xnntf6htujkql2iw)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, all committed on Mar 18, 2026.

versioncommittedcommitsizeaudit
git:20260318.dbc45df latest2026-03-18 dbc45df 14,078 BA view · diff
git:20260318.155da2d2026-03-18 155da2d 13,544 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (14078 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

GitHub

preplabsai/interviewmentor · 112 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xnntf6htujkql2iw
GET https://markdownregistry.com/api/v1/resolve?ref=preplabsai/interviewmentor/graph-algorithms-interviewer
GET https://markdownregistry.com/api/v1/blob/4174af4ead1f4e54cf285b782dfdd72f564e011542de9930c8b987446c14c1e3

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.

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