engineering skillA
engineering is agent-read markdown (skill) from wellwelwel/lagune: Authoritative engineering reference for Lagune, covering the toolchain, code conventions, type rules, the build and distribution path, and how the tracking hooks work. Use before writing or changing source under src/ or test/, or before the build..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Lagune engineering This skill is the specialized, authoritative description of **how Lagune is built**: the toolchain, code conventions, type rules, the build and distribution path, and the implementation of the deterministic tracking hooks. Consult it before writing or changing source, before touching the build, and whenever you apply the code conventions. The product mission and workflow philosophy live in [CLAUDE.md](../../../CLAUDE.md). The repository layout, the command/template split, the core/adapter boundary, what Lagune scaffolds, and the tracking-map model live in the [architecture](../architecture/SKILL.md) skill. This skill covers the _build_, not the _shape_. ## Toolchain - **Runtimes:** Node.js (current LTS), Bun, and Deno. Lagune must run on all three, so keep code runtime-agnostic. - **Language:** TypeScript, authored in `src/`. - **Module system:** ES Modules only (ESM) throughout. - **Package manager:** npm, matching the npx/npm distribution path. - **Bundler:** esbuild (transpile and bundle only, it does not type-check). - **Type-checking:** `tsc --noEmit`, run separately since esbuild skips type checks. …
Read the whole file at its exact version.
How to install
mdr add wellwelwel/lagune/engineering@git:20260710.8f519bbmdr add wellwelwel/lagune/engineering@sha256:8b2fc7ff8bf80c1ePin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_5lnik4nzajgddm6f)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260710.8f519bb latest | 2026-07-10 | 8f519bb | 6,458 B | A | view · diff |
| git:20260701.0399b27 | 2026-07-01 | 0399b27 | 6,484 B | A | view · diff |
| git:20260701.61583d1 | 2026-07-01 | 61583d1 | 6,719 B | A | view · diff |
| git:20260630.c99bee0 | 2026-06-30 | c99bee0 | 6,494 B | A | view · diff |
| git:20260630.d0b86fa | 2026-06-30 | d0b86fa | 6,644 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 (6458 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
wellwelwel/lagune · 159 stars · license MIT · pushed 2026-09-25 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_5lnik4nzajgddm6f GET https://markdownregistry.com/api/v1/resolve?ref=wellwelwel/lagune/engineering GET https://markdownregistry.com/api/v1/blob/8b2fc7ff8bf80c1e3d5c44cf72d22cfa505ae1731727265feef431b367b520a7
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