# Composition Base

> Use when a task asks for the declared composition marker or exercises the synthetic adapter fixture.

- Skill: `hassan-mohiddin/composition-base` (Agent Skill)
- Install (CLI): `npx skillmds@latest add hassan-mohiddin/composition-base`
- Raw SKILL.md: https://api.skillmd.com/api/skills/hassan-mohiddin/composition-base/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- Author: hassan-mohiddin (https://skillmd.com/u/hassan-mohiddin)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/hassan-mohiddin/composition-base

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# Composition Base

For a declared composition marker, set `base_marker` to `BASE-STACK-V1`.

For the synthetic adapter fixture, preserve verified work and report evidence honestly.