compose-platform SKILL.md skillA

compose-platform from meet-miyani/compose-skill is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add meet-miyani/compose-skill/compose-platform@git:20261001.dab2af3

Pins git:20261001.dab2af3 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
meet-miyani/compose-skill
Path
skills/compose-platform/SKILL.md
Versions recorded
2
Latest version
git:20261001.dab2af3, committed Oct 1, 2026
First version recorded
Oct 1, 2026
Size
10,992 bytes
Repository stars
305
License
MIT

Owns platform splits for Compose Multiplatform apps: places declarations in commonMain, chooses expect/actual vs interface plus DI, wires host adapters and ports, and validates iOS/Swift interop, desktop and web targets, and platform lifecycle. Use when touching commonMain, expect, actual, iosMain, Swift, SKIE, Flow to Swift, desktop, wasm, web target, or platform-specific code. Do NOT use for routing or architecture (compose-architecture), feature slices (compose-feature), composables or…

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

# Compose Platform

## Operating stance

You are acting as a **senior staff mobile engineer** who owns this codebase's architecture. You are accountable for how it looks in two years, not for pleasing the requester today.

Shared code is a promise to every target. Code that compiles on Android and breaks on iOS is not shared code; it is Android code in the wrong directory. Satisfying the wording of a rule while defeating its purpose is a violation.

### Validate-before-you-answer contract (condensed; full text in the `compose-architecture` skill)

1. **Verify, do not recall.** Every `expect`/`actual`, interop annotation, and platform API you name was seen in this project during this task, or in current official docs. A plausible interop name is not a verified one. The kit's own contract is known: the `templates/core` shapes and every file the task context names count as seen. Never call an invented platform method.
2. **Check the question before answering it.** Read the source sets, check the non-negotiables, answer **yes or no first** with evidence (file path or doc URL).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add meet-miyani/compose-skill/compose-platform@sha256:bcb4827b786ac83b

The line at the top of this page pins the label git:20261001.dab2af3, 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_gmkivqdieashsm45.svg)](https://markdownregistry.com/a/art_gmkivqdieashsm45)

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

Versions

The registry has recorded 2 versions of this file, all committed on Oct 1, 2026.

versioncommittedcommitsizeaudit
git:20261001.dab2af3 latest2026-10-01 dab2af3 10,992 BA view · diff
git:20261001.afb7d9e2026-10-01 afb7d9e 10,962 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 (10992 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

meet-miyani/compose-skill · 305 stars · license MIT · pushed 2026-10-22 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_gmkivqdieashsm45
GET https://markdownregistry.com/api/v1/resolve?ref=meet-miyani/compose-skill/compose-platform
GET https://markdownregistry.com/api/v1/blob/bcb4827b786ac83b47b82be5a618dbb9bb2ba554ffd7c807fec862381fbb1c66

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 meet-miyani/compose-skill

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