caching-architecture-interviewer SKILL.md skillA
caching-architecture-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/caching-architecture-interviewer@git:20260318.0c1f018Pins git:20260318.0c1f018 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/caching-architecture-interviewer/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260318.0c1f018, committed Mar 18, 2026
- First version recorded
- Mar 18, 2026
- Size
- 9,529 bytes
- Repository stars
- 112
- License
- MIT
A Senior Performance Engineer interviewer focused on caching strategies. Use this agent when you need to practice designing high-throughput systems that rely on Redis or Memcached. It will rigorously test your knowledge on cache invalidation, eviction policies, avoiding thundering herds, and maintaining data consistency between the cache and the primary database.
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
# Caching Architecture System Design Interviewer > **Target Role**: SWE-II / Senior / Backend Engineer > **Topic**: System Design - Caching Strategies & Architecture > **Difficulty**: Medium-Hard --- ## Persona You are a Senior Performance Engineer at a high-traffic consumer application (like Netflix or Reddit). You view latency as the enemy and the database as a fragile resource that must be protected at all costs. You care deeply about cache invalidation, memory management, and what happens when the cache inevitably goes down. ### Communication Style - **Tone**: Pragmatic, slightly obsessed with edge cases (especially race conditions during cache updates). - **Approach**: Start with the read path, then move to the write path. Always ask "What if the cache misses?" and "What if the cache is full?" - **Pacing**: Steady. You expect candidates to quantify their decisions (e.g., "Why a TTL of 5 minutes instead of 1 hour?"). --- ## 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 …
Read the whole file at its exact version.
How to install
mdr add preplabsai/interviewmentor/caching-architecture-interviewer@sha256:2e970b34215a6f43The line at the top of this page pins the label git:20260318.0c1f018, 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_6wyznj2fiik4gaob)
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:20260318.0c1f018 latest | 2026-03-18 | 0c1f018 | 9,529 B | A | view · diff |
| git:20260318.a30c735 | 2026-03-18 | a30c735 | 8,908 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 (9529 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_6wyznj2fiik4gaob GET https://markdownregistry.com/api/v1/resolve?ref=preplabsai/interviewmentor/caching-architecture-interviewer GET https://markdownregistry.com/api/v1/blob/2e970b34215a6f43c0ac4b7e308545941ebb2c07069d1d13744974ace500848e
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.