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CrossPoint Reader: Claude Code skills
Project skills for Claude Code. Claude auto-discovers them and loads one when the
task matches its description; you do not invoke them by hand. They encode how
this project wants C/C++ written: the judgment calls and self-review gates that
keep the firmware small, stable, and reviewable.
These are written for capable agents, not beginners. They are principle- and decision-focused on purpose. They deliberately avoid line-number citations, which drift; they anchor on durable names (APIs, types, macros, files).
This is separate from .skills/SKILL.md, the GitHub coding-agent guide that
mirrors CLAUDE.md. CLAUDE.md stays the always-loaded rule set; these skills are
the applied decision procedures that load on demand and add the judgment layer
CLAUDE.md does not carry.
| Skill | Loads when you are... |
|---|---|
heap-discipline |
allocating memory: new/malloc/vector/string, buffers, caches |
control-flow-clarity |
writing branching logic, state flags, modes, if/else ladders |
hal-and-abstractions |
touching storage, input, display, settings, i18n, rendering |
scope-discipline |
adding a feature, activity, lib, setting, or dependency |
refactor-for-review |
refactoring, cleaning up, or preparing a change for PR |
Each skill ends with a self-review checklist Claude runs against its own diff before handing it back. Reviewing a PR? Those checklists double as a fast rubric.
Maintaining these
Edit the SKILL.md under each directory. Keep them tight. Do not restate
CLAUDE.md; add the judgment CLAUDE.md cannot afford to carry. Trigger quality
lives in the description field: it must name the situations that should pull
the skill in, in the words a contributor's task would use.