assessment-design SKILL.md skillA
assessment-design from cbrock84/headcount is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add cbrock84/headcount/assessment-design@git:20260916.dfd6fa1Pins git:20260916.dfd6fa1 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- cbrock84/headcount
- Path
verticals/education/skills/education/assessment-design/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260916.dfd6fa1, committed Sep 16, 2026
- Size
- 5,183 bytes
- Repository stars
- 2,543
- License
- MIT
Builds questions and assessments that measure what they claim — matching item type to the thing being assessed, writing distractors that diagnose, and telling a question that measures learning from one that measures reading speed or test-taking. Use this to write or review assessment items, design a unit check or diagnostic, work out why scores do not match classroom performance, or decide how much evidence a claim about mastery actually needs.
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
# Assessment design Every question measures something. The work is making sure it measures the thing you meant, because the alternatives — reading speed, familiarity with the format, willingness to guess — are always available and are usually easier for the student to use. ## Name the inference before writing the item An assessment is an argument: the student did this, therefore they can do that. The argument is where assessments fail, and it fails silently. Write down the claim first — "can decompose a two-digit number into tens and ones" — then ask what performance would be evidence for it, and what performance would be evidence *against*. An item that a student who lacks the skill can still get right is not evidence. An item that a student who has the skill can still get wrong, for reasons unrelated to it, is worse: it produces a false negative that gets acted on. The most common unrelated reason is reading. Any item whose stem is harder to read than the skill is to perform has quietly become a reading assessment. ## Match the item type to the claim - **Selected response** (multiple choice, matching, true/false) is efficient and can only ever …
Read the whole file at its exact version.
How to install
mdr add cbrock84/headcount/assessment-design@sha256:5b9e360bfff9ec09The line at the top of this page pins the label git:20260916.dfd6fa1, 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_hteollibzggbksmw)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 16, 2026.
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 (5183 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
cbrock84/headcount · 2,543 stars · license MIT · pushed 2026-10-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_hteollibzggbksmw GET https://markdownregistry.com/api/v1/resolve?ref=cbrock84/headcount/assessment-design GET https://markdownregistry.com/api/v1/blob/5b9e360bfff9ec097c722d086033917b38147595ab2d89293f54b5b5e2d3823e
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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