kernelcad-fea SKILL.md skillA
kernelcad-fea from w1ne/kernelcad-web is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add w1ne/kernelcad-web/kernelcad-fea@git:20261010.308dd5dPins git:20261010.308dd5d in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- w1ne/kernelcad-web
- Path
src/agent/skills/kernelcad-fea/SKILL.md- Versions recorded
- 10
- Latest version
- git:20261010.308dd5d, committed Oct 10, 2026
- First version recorded
- Sep 14, 2026
- Size
- 15,527 bytes
- Repository stars
- 33
- License
- MIT
Answer "will this part hold this load?" with solver evidence — declare a linear-static structural study with shape.feaStudy({ material, fixed, loads, minSafetyFactor? }), then run it with run_fea for peak von Mises stress, peak displacement, minimum safety factor against yield, named hot-spot regions, mesh-trust flags and stress-heatmap PNGs. A declared minSafetyFactor turns the study into a gate that fails evaluate_script. Use when sizing a bracket, mount, tab, clevis or any load-bearing…
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
# kernelCAD — structural FEA
Declare the study in the model, run the solver, read the evidence.
```typescript
const bracket = box(8, 40, 90).union(box(90, 40, 8)).fillet(4, { parallel: [0, 1, 0], concave: true });
bracket.feaStudy({
material: 'aluminum-6061',
fixed: { atX: 0 }, // bolted to the wall
loads: [{ faces: { atZ: 8 }, force: [0, 0, -400] }], // 400 N total, downward
meshSize: 4,
minSafetyFactor: 2, // makes it a GATE
});
return bracket;
```
```
run_fea({ file: 'bracket.kcad.ts', output_dir: '/tmp/bracket-fea' })
// → { ok: true, summary: { minSafetyFactor: 6.10, maxVonMisesMPa: 44.28,
// hotSpots: [{ region: '@kc[fillet_1/face/f7]', ... }],
// trust: { meshTrusted: false, reasons: [...] },
// refinement: { passes: [4 mm: 42.5 MPa, 3 mm: 44.3 MPa],
// stoppedBy: 'still-untrusted' },
// governingField: 'away-from-supports' },
// images: ['.../heatmap/iso.png', '.../heatmap/front.png'] }
```
## Prerequisite: the solver toolchain
FEA shells out to two external, open-source programs. Neither is bundled.
```bash
…Read the whole file at its exact version.
How to install
mdr add w1ne/kernelcad-web/kernelcad-fea@sha256:f4b57b61a1fe70e5The line at the top of this page pins the label git:20261010.308dd5d, 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_txc2ifwipiaq55a2)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 10 versions of this file, between Sep 14, 2026 and Oct 10, 2026, about one every 3 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261010.308dd5d latest | 2026-10-10 | 308dd5d | 15,527 B | A | view · diff |
| git:20261009.c4c4f6a | 2026-10-09 | c4c4f6a | 17,390 B | A | view · diff |
| git:20261009.f97d303 | 2026-10-09 | f97d303 | 11,843 B | A | view · diff |
| git:20261009.25ef3eb | 2026-10-09 | 25ef3eb | 17,035 B | A | view · diff |
| git:20261009.af3c3cd | 2026-10-09 | af3c3cd | 11,596 B | A | view · diff |
| git:20261003.e17dc6c | 2026-10-03 | e17dc6c | 8,559 B | A | view · diff |
| git:20260914.f68a377 | 2026-09-14 | f68a377 | 7,828 B | A | view · diff |
| git:20260914.17a062b | 2026-09-14 | 17a062b | 7,584 B | A | view · diff |
| git:20260914.dc8c941 | 2026-09-14 | dc8c941 | 7,584 B | A | view · diff |
| git:20260914.3ec9bd7 | 2026-09-14 | 3ec9bd7 | 7,526 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 (15527 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
w1ne/kernelcad-web · 33 stars · license MIT · pushed 2026-10-21 · branch develop
API
GET https://markdownregistry.com/api/v1/artifacts/art_txc2ifwipiaq55a2 GET https://markdownregistry.com/api/v1/resolve?ref=w1ne/kernelcad-web/kernelcad-fea GET https://markdownregistry.com/api/v1/blob/f4b57b61a1fe70e52ef52f2b8cf303dcf43cf39027725c9d34250dee46b76e82
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.