use-case-design SKILL.md skillA
use-case-design from ice-lfernandes/claude-spring-architect is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add ice-lfernandes/claude-spring-architect/use-case-design@git:20261107.932a1f7Pins git:20261107.932a1f7 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- ice-lfernandes/claude-spring-architect
- Path
.claude/skills/use-case-design/SKILL.md- Versions recorded
- 28
- Latest version
- git:20261107.932a1f7, committed Nov 7, 2026
- First version recorded
- Sep 11, 2026
- Size
- 28,497 bytes
- Repository stars
- 11
- License
- Apache-2.0
Delimits a use case's boundary and emits the parent spec that the layer skills detail — trigger, payload, response, side effects, invariants, errors, and canonical names. Use when the request involves "new use case", "design before implementing", "implementation spec", a new endpoint/event/job, or when a request bundles several actions and it's necessary to know whether it's one use case or several. First piece of the `/new-feature` pipeline.
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
## Already-designed use cases
!`find "${CLAUDE_PROJECT_DIR:-.}/docs/use-cases" -mindepth 1 -maxdepth 1 -type d -name 'UC-*' 2>/dev/null | sort | tail -5`
Empty above → none yet, this will be `UC-001`. (`find`, not an `ls` glob: under zsh an unmatched glob
aborts the command before any fallback runs.)
## Target
$ARGUMENTS
---
# Use Case Design
Produces the use case's **parent spec**: the boundary, the flow, and the canonical
names every layer inherits. Writes no code. Weighs no storage technology: the storage family
and the search engine come from the request — stated, or inferred without ambiguity — or from one
factual question with no criteria and no recommendation; weighing them belongs to a planned
solution-design step (`@.claude/decisions/0147-document-storage-and-search-architect.md`). The
audit level is recorded only when the request asks for it, never proposed
(`@.claude/decisions/0149-auditing-variant-of-persistence-architect.md`). The
inbound protocol is the one technology asked with criteria, those of
`@.claude/rules/api-graphql.md` (`0146`).
**Entry rule: one use case, one side effect.** Before any question, apply the
…Read the whole file at its exact version.
How to install
mdr add ice-lfernandes/claude-spring-architect/use-case-design@sha256:beb2b767631387ffThe line at the top of this page pins the label git:20261107.932a1f7, 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_y72pcqxt6ebq4fem)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 28 versions of this file, between Sep 11, 2026 and Nov 7, 2026, about one every 2 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261107.932a1f7 latest | 2026-11-07 | 932a1f7 | 28,497 B | A | view · diff |
| git:20261031.e3ded41 | 2026-10-31 | e3ded41 | 27,889 B | A | view · diff |
| git:20261024.96f3be8 | 2026-10-24 | 96f3be8 | 27,638 B | A | view · diff |
| git:20261020.a3a3343 | 2026-10-20 | a3a3343 | 26,851 B | A | view · diff |
| git:20261014.7301cd9 | 2026-10-14 | 7301cd9 | 26,851 B | A | view · diff |
| git:20261014.c9ffbdd | 2026-10-14 | c9ffbdd | 26,215 B | A | view · diff |
| git:20261013.9fb82ed | 2026-10-13 | 9fb82ed | 26,228 B | A | view · diff |
| git:20261013.cdd9a08 | 2026-10-13 | cdd9a08 | 25,161 B | A | view · diff |
| git:20261013.81a39e7 | 2026-10-13 | 81a39e7 | 23,829 B | A | view · diff |
| git:20261013.18586b2 | 2026-10-13 | 18586b2 | 21,023 B | A | view · diff |
| git:20261012.f9d9188 | 2026-10-12 | f9d9188 | 20,431 B | A | view · diff |
| git:20261012.b5410fa | 2026-10-12 | b5410fa | 19,766 B | A | view · diff |
| git:20261005.0e5898a | 2026-10-05 | 0e5898a | 19,020 B | A | view · diff |
| git:20261002.a8df2ad | 2026-10-02 | a8df2ad | 17,571 B | A | view · diff |
| git:20261002.b2d532a | 2026-10-02 | b2d532a | 17,161 B | A | view · diff |
| git:20260930.e6e7ec6 | 2026-09-30 | e6e7ec6 | 16,652 B | A | view · diff |
| git:20260930.0fa0354 | 2026-09-30 | 0fa0354 | 16,699 B | A | view · diff |
| git:20260929.2ad8a02 | 2026-09-29 | 2ad8a02 | 16,622 B | A | view · diff |
| git:20260928.8c7908d | 2026-09-28 | 8c7908d | 16,229 B | A | view · diff |
| git:20260928.8dd5015 | 2026-09-28 | 8dd5015 | 14,873 B | A | view · diff |
| git:20260927.7653d70 | 2026-09-27 | 7653d70 | 13,611 B | A | view · diff |
| git:20260926.475a52a | 2026-09-26 | 475a52a | 13,344 B | A | view · diff |
| git:20260926.c2eaeec | 2026-09-26 | c2eaeec | 13,319 B | A | view · diff |
| git:20260926.e0e2999 | 2026-09-26 | e0e2999 | 12,636 B | A | view · diff |
| git:20260916.f7fcac4 | 2026-09-16 | f7fcac4 | 12,609 B | A | view · diff |
| git:20260916.aa82a79 | 2026-09-16 | aa82a79 | 12,454 B | A | view · diff |
| git:20260916.d4ab12d | 2026-09-16 | d4ab12d | 10,469 B | A | view · diff |
| git:20260911.55588bd | 2026-09-11 | 55588bd | 8,865 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 (28497 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
ice-lfernandes/claude-spring-architect · 11 stars · license Apache-2.0 · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_y72pcqxt6ebq4fem GET https://markdownregistry.com/api/v1/resolve?ref=ice-lfernandes/claude-spring-architect/use-case-design GET https://markdownregistry.com/api/v1/blob/beb2b767631387ff6f416553f4d32d4432080e5d5ea181a677269732198db685
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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