Open Skills — Security skill for Claude Code

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**Open Skills is October's `improve-*` family for Claude Code.** Each skill audits one product-quality domain as a senior specialist, verifies every finding against the repository, and writes a prioritized, self-contained implementation plan.

The skills do not edit source code. They separate the work that needs judgment—understanding the system, deciding what matters, and specifying the fix—from the mechanical implementation that another agent can execute later.

Quickstart

Add the marketplace and install the skill you need:

/plugin marketplace add october-dev/open-skills
/plugin install improve-copy@open-skills

Then ask naturally:

Audit the user-facing copy in this repository.

The skill maps the relevant surface, audits it against a codified rule catalog, vets its own findings, and presents a leverage-ordered shortlist. You choose what should become an implementation plan.

Skill catalog