alchemy-domain SKILL.md skillA

alchemy-domain from deathemperor/infinitus is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add deathemperor/infinitus/alchemy-domain@git:20261104.43bf0ba

Pins git:20261104.43bf0ba in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
deathemperor/infinitus
Path
.repos/alchemy-effect/packages/domain/skills/alchemy-domain/SKILL.md
Versions recorded
1
Latest version
git:20261104.43bf0ba, committed Nov 4, 2026
Size
7,649 bytes
Repository stars
7
License
MIT

Build backends with @alchemy.run/domain (domain-driven design on Effect) - turn requirements into aggregates, commands, events, rejections, views, policies, sagas, projections, streams, external systems and Apis; lay them out in a monorepo (domain / server / web packages, kind-suffixed files); test them with stories; host them on Cloudflare Durable Objects with alchemy; and drive them from a foldkit frontend. Use when designing or changing an @alchemy.run/domain model, adding a building block…

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

# Building with @alchemy.run/domain

`@alchemy.run/domain` models a backend as typed messages and pure state transitions. Commands are decided by aggregates, which record events. Views fold events into read models. Policies react to events. Sagas run long processes. Projections write outside the model. The same model runs in memory for tests and on Cloudflare Durable Objects in production.

Docs: https://alchemy.run/domain, with every page listed in https://alchemy.run/llms.txt. Every section here and in the reference files ends with a More link to the docs page that covers it in depth. A complete reference project: `examples/cloudflare-domain` in the alchemy repo (a bank with a foldkit app).

## Workflow

Work in this order. Each step has a reference file with templates.

1. **Break the requirements down** into building blocks. See [references/modeling.md](references/modeling.md).
2. **Lay out the monorepo**: a domain package, a server package, a web package, with one kind-suffixed file per block. See [references/layout.md](references/layout.md).
3. **Write each block** from its template. See [references/building-blocks.md](references/building-blocks.md).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add deathemperor/infinitus/alchemy-domain@sha256:0e70d45940d08a31

The line at the top of this page pins the label git:20261104.43bf0ba, 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_3pvt6p5xfnczwbsf.svg)](https://markdownregistry.com/a/art_3pvt6p5xfnczwbsf)

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

Versions

The registry has recorded 1 version of this file, committed on Nov 4, 2026.

versioncommittedcommitsizeaudit
git:20261104.43bf0ba latest2026-11-04 43bf0ba 7,649 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 (7649 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

deathemperor/infinitus · 7 stars · license MIT · pushed 2026-11-07 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3pvt6p5xfnczwbsf
GET https://markdownregistry.com/api/v1/resolve?ref=deathemperor/infinitus/alchemy-domain
GET https://markdownregistry.com/api/v1/blob/0e70d45940d08a31283ea8c937d8c5a27adc47be8cdebfdf16b77f49c8fe33ed

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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Every file in deathemperor/infinitus

Other files named alchemy-domain

alchemy-domain SKILL.md skill
deathemperor/infinitus · .repos/alchemy-effect/.agents/skills/alchemy-domain/SKILL.md
git:20261104.43bf0ba · audit C · 7 stars

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