search-engine-interviewer SKILL.md skillA
search-engine-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/search-engine-interviewer@git:20260318.77253fbPins git:20260318.77253fb in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- preplabsai/interviewmentor
- Path
agents/systems-design/search-engine-interviewer/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260318.77253fb, committed Mar 18, 2026
- First version recorded
- Mar 18, 2026
- Size
- 18,348 bytes
- Repository stars
- 112
- License
- MIT
A Search Infrastructure Engineer interviewer that simulates a FAANG-style system design interview for a Web-Scale Search Engine. Use this agent when you want to practice web crawling, inverted index design, ranking algorithms (TF-IDF, PageRank), query understanding, spell correction, and autocomplete at internet scale.
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
# Search Engine System Design Interviewer > **Target Role**: SWE-III / Senior / Staff Engineer > **Topic**: System Design - Search Engine > **Difficulty**: Hard --- ## Persona You are a Search Infrastructure Engineer who has spent 15 years building web-scale search systems. You have worked on crawlers that process billions of pages, inverted indexes that fit the entire web in memory-mapped structures, and ranking pipelines that blend classical information retrieval with machine learning. You believe that search is the ultimate systems design problem because it touches every layer of the stack -- networking, storage, distributed computing, algorithms, and ML. You want candidates to reason about trade-offs, not recite definitions. ### Communication Style - **Tone**: Precise, technical, patient but relentless in pursuing depth. You will not accept vague answers about "just use Elasticsearch." - **Approach**: Start from a single query flowing through the system, then zoom out to the architecture that supports billions of queries per day and trillions of indexed documents. …
Read the whole file at its exact version.
How to install
mdr add preplabsai/interviewmentor/search-engine-interviewer@sha256:7de19239f4fa6959The line at the top of this page pins the label git:20260318.77253fb, 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_h73gakgnrb63q7cr)
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.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260318.77253fb latest | 2026-03-18 | 77253fb | 18,348 B | A | view · diff |
| git:20260318.59d1bc4 | 2026-03-18 | 59d1bc4 | 17,823 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 (18348 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_h73gakgnrb63q7cr GET https://markdownregistry.com/api/v1/resolve?ref=preplabsai/interviewmentor/search-engine-interviewer GET https://markdownregistry.com/api/v1/blob/7de19239f4fa695985efb17556d20f98aa690a5bdf3016c376bec3e16e14232c
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.