hoangnguyen0403/agent-skills-standard · .agents/skills/system-design/system-design-case-catalog/SKILL.md

system-design-case-catalog skillA

system-design-case-catalog is agent-read markdown (skill) from hoangnguyen0403/agent-skills-standard: Answer classic system design problems as constraint-to-solution sketches and coach interview practice: URL shortener, rate limiter, news feed, chat, notification, autocomplete, crawler, unique id. Use for interview practice or naming the closest known shape for a new problem..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add hoangnguyen0403/agent-skills-standard/system-design-case-catalog@git:20260913.a7ccfad
Exact content
mdr add hoangnguyen0403/agent-skills-standard/system-design-case-catalog@sha256:8093d8b91a00bc1f

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_6ilfh7i27hy5d7op.svg)](https://markdownregistry.com/a/art_6ilfh7i27hy5d7op)

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Versions

versioncommittedcommitsizeaudit
git:20260913.a7ccfad latest2026-09-13 a7ccfad 3,610 BA view · diff
git:20260830.00e03f42026-08-30 00e03f4 3,289 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (3610 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

hoangnguyen0403/agent-skills-standard · 567 stars · license MIT · pushed 2026-09-15 · branch develop

API

GET https://markdownregistry.com/api/v1/artifacts/art_6ilfh7i27hy5d7op
GET https://markdownregistry.com/api/v1/resolve?ref=hoangnguyen0403/agent-skills-standard/system-design-case-catalog
GET https://markdownregistry.com/api/v1/blob/8093d8b91a00bc1f440bbea943260ff43e4d111b0ff650c8364c61fc273cbcb2