hex-domain-service SKILL.md skillA
hex-domain-service from wntic/pyhouse is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add wntic/pyhouse/hex-domain-service@git:20260929.3868884Pins git:20260929.3868884 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- wntic/pyhouse
- Path
plugins/pyhouse-hex/skills/hex-domain-service/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260929.3868884, committed Sep 29, 2026
- First version recorded
- Sep 26, 2026
- Size
- 6,914 bytes
- Repository stars
- 3
- License
- MIT
Use when a domain rule needs state one entity cannot see — a cross-aggregate check, a uniqueness check, does the referenced Bar exist — producing one stateless domain service (`FooUniquenessService`) with injected protocols and `assert_*`, `is_*` or verb methods. Not an entity invariant and not a tunable threshold, both `hex-domain-model`; orchestrating a use case is `hex-application`.
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
# Hex — Domain Service Produces one domain service: a stateless class that orchestrates a domain rule using injected protocols. Domain services live next to the aggregate they primarily concern. See `naming` for identifiers. ## When to use vs. neighbours - Rule enforceable from one entity's own fields → not a service; use `__post_init__` on the entity (see `hex-domain-model`). - Rule needs to query other aggregates or a domain capability → this skill. - Rule is a numeric or boolean threshold (max rows, retention days, quotas) → not a service; model it as the tunable value object in `hex-domain-model`. - Orchestrating a use case across multiple aggregates → that is a command or query handler, not a service (see `hex-application`). - The `IFooRepository` or `ICan<Verb>` protocols this service takes in its constructor → `hex-domain-ports`. - The exception an `assert_*` method raises → `exception-catalog`. - Binding the service (per-operation) so handlers receive it → `hex-wiring`. - Testing it with stdlib, `pytest` and the domain package alone → `hex-test-domain`. - What the service, its methods and its module are called → `naming`. …
Read the whole file at its exact version.
How to install
mdr add wntic/pyhouse/hex-domain-service@sha256:ee4f91a8b4494dd2The line at the top of this page pins the label git:20260929.3868884, 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_lyvbw5kuf52nlvgw)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Sep 26, 2026 and Sep 29, 2026, more than one a day.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260929.3868884 latest | 2026-09-29 | 3868884 | 6,914 B | A | view · diff |
| git:20260929.d01f265 | 2026-09-29 | d01f265 | 6,890 B | A | view · diff |
| git:20260927.fa7323b | 2026-09-27 | fa7323b | 7,007 B | A | view · diff |
| git:20260926.1c8e181 | 2026-09-26 | 1c8e181 | 7,024 B | A | view · diff |
| git:20260926.706a2ae | 2026-09-26 | 706a2ae | 8,446 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 (6914 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
wntic/pyhouse · 3 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_lyvbw5kuf52nlvgw GET https://markdownregistry.com/api/v1/resolve?ref=wntic/pyhouse/hex-domain-service GET https://markdownregistry.com/api/v1/blob/ee4f91a8b4494dd2d2ce9883090fb44fd2891a163893927157eb25644080df03
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.