teach SKILL.md skillA

teach from davidondrej/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add davidondrej/skills/teach@git:20260926.7dce66c

Pins git:20260926.7dce66c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
davidondrej/skills
Path
skills/thinking-and-docs/teach/SKILL.md
Versions recorded
3
Latest version
git:20260926.7dce66c, committed Sep 26, 2026
First version recorded
Aug 17, 2026
Size
9,625 bytes
Repository stars
4,161
License
MIT

Teach the user a new skill or concept, within this workspace.

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

The user has asked you to teach them something. This is a stateful request - they intend to learn the topic over multiple sessions.

## Be Very Concise

When answering the user or writing any text response to them, be **very concise**. The teaching happens in the lessons and reference documents — not in long chat replies. Keep every message short, direct, and free of filler. State what you did, what's next, and the single most important thing for the user to do — nothing more. Lengthy explanations belong in lessons, not the conversation.

## Teaching Workspace

Treat the current directory as a teaching workspace. The state of their learning is captured in this directory in several files:

- `MISSION.md`: A document capturing the _reason_ the user is interested in the topic. This should be used to ground all teaching. Use the format in [MISSION-FORMAT.md](./MISSION-FORMAT.md).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add davidondrej/skills/teach@sha256:ee1bb44d4f45ee66

The line at the top of this page pins the label git:20260926.7dce66c, 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_fs7kbgpqewjt44al.svg)](https://markdownregistry.com/a/art_fs7kbgpqewjt44al)

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

Versions

The registry has recorded 3 versions of this file, between Aug 17, 2026 and Sep 26, 2026, about one every 20 days.

versioncommittedcommitsizeaudit
git:20260926.7dce66c latest2026-09-26 7dce66c 9,625 BA view · diff
git:20260821.f3cf4ed2026-08-21 f3cf4ed 9,601 BA view · diff
git:20260817.6f96a512026-08-17 6f96a51 9,236 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 (9625 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

davidondrej/skills · 4,161 stars · license MIT · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_fs7kbgpqewjt44al
GET https://markdownregistry.com/api/v1/resolve?ref=davidondrej/skills/teach
GET https://markdownregistry.com/api/v1/blob/ee1bb44d4f45ee66d9257ffc5d1cb2ddc244ca6f58da6c30abd8e6b7fdbb89ac

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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