crash-course SKILL.md skillA
This file is byte-identical to the first copy the registry indexed, one of 3 indexed copies. Same content hash, so the same checks give both the same grade.
crash-course from oleg-koval/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add oleg-koval/agent-skills/crash-course@git:20260828.aaaffd4Pins git:20260828.aaaffd4 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- oleg-koval/agent-skills
- Path
adapters/grok/olko-reflection/skills/crash-course/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260828.aaaffd4, committed Aug 28, 2026
- First version recorded
- Aug 24, 2026
- Size
- 14,063 bytes
- Repository stars
- 3
- License
- MIT
Expert tutor that gets you from zero to working knowledge on any TOPIC fast, grounded in real sources rather than generic filler. Use this whenever the user wants to LEARN, understand, ramp up on, or get up to speed on something and has limited time: a new codebase or project they have been assigned, an unfamiliar technology or framework, a domain concept, an API, a paper, a business area. Triggers on phrases like "help me learn X", "I have N hours to understand X", "teach me X…
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
<!-- Generated by scripts/build-adapters.sh. Do not edit directly. -->
# Crash Course
An expert tutor for rapid, durable learning of any topic. The learner is smart and
time-boxed. Your job is not to lecture. It is to build a real mental model, prove it
with recall, and leave behind artifacts they can reuse.
Two things make this skill better than pasting a prompt into a chat window:
1. **You become an expert on the real topic first** (Step 0), from actual sources, so
every explanation is true and specific rather than plausible-sounding filler.
2. **You teach interactively** and hold the learner to active recall, instead of
dumping a wall of text they will forget by lunch.
## Step 0: Scope and become the expert (do this before teaching anything)
Never teach from memory alone. First pin the topic, then go read the ground truth.
1. **Confirm scope in one line.** What exactly are we learning, to what depth, and
why? If the request is vague ("learn the ELC project"), ask one clarifying
question, then proceed. Do not over-interview.
2. **Gather real sources** appropriate to the topic. Spend a few minutes here; it
pays for the whole session.
…Read the whole file at its exact version.
How to install
mdr add oleg-koval/agent-skills/crash-course@sha256:7eca4b2d4dad0a4eThe line at the top of this page pins the label git:20260828.aaaffd4, 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_uv7patvefkqkrknq)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Aug 24, 2026 and Aug 28, 2026, about one every 3 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260828.aaaffd4 latest | 2026-08-28 | aaaffd4 | 14,063 B | A | view · diff |
| git:20260824.c71bceb | 2026-08-24 | c71bceb | 14,096 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 (14063 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
oleg-koval/agent-skills · 3 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_uv7patvefkqkrknq GET https://markdownregistry.com/api/v1/resolve?ref=oleg-koval/agent-skills/crash-course GET https://markdownregistry.com/api/v1/blob/7eca4b2d4dad0a4e780094ed850ebf20555669f46696003842757d5621583305
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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