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cc-os/plugins/cc-architect/references/conventions/cc-os-naming.md

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cc-os Plugin and Skill Naming Convention

Canonical repo copy of the convention established 2026-07-02 (previously only in the SecondBrain vault note cc-os-plugin-skill-naming-convention.md, which now points here). Read this before naming ANY new cc-os plugin, skill, or slash command.

Core principles

  1. Plugins use an os- prefix: os-[domain] (e.g. os-vault, os-backlog). The prefix ties the plugin to cc-os and distinguishes it from unrelated tools (memsearch is NOT cc-os).
  2. Skills are verb-first: the plugin namespace answers "what is this about?", the skill name answers "what action?" — query, write, reorganize, producing invocations like /os-vault:query.
  3. Multi-word skills are kebab-case, verb + noun: design-template, onboard-project. Kebab-case in plugin name fields is a Claude Code requirement; cc-os extends it to skill names by convention.
  4. No commands/ dispatcher directories — skills are the only invocation surface.

Registration mechanics

Never set a name: field in SKILL.md frontmatter. The directory name is the skill name; with name: absent, Claude Code registers the namespaced /plugin:skill form. An explicit name: find collapses the command to bare unnamespaced /find (discovered 2026-07-04 in os-adr and os-doc-hygiene; fixed by deleting the lines). After any SKILL.md edit, run bin/refresh-plugins — installs copy files into ~/.claude/plugins/cache/, so source edits don't reach sessions until refreshed.

Anti-patterns

  • Plugin name without the os- prefix (vault instead of os-vault).
  • Noun-stacked skill names (vault-query instead of query).
  • Generic verbs duplicating the namespace context (/memory-find instead of /os-vault:find — the namespace provides the context).
  • CamelCase or snake_case in plugin or skill names.

Open questions

Agent-name and hook-script-name governance are deferred until their use patterns stabilize; hook scripts currently use snake_case (Python convention) and are not externally visible.

Cross-references

  • ADR-0025 (Ruby structure standard — the structural layer below this naming layer)
  • references/layout/plugin-structure.md, references/layout/skill-structure.md