Agent skills for Codex CLI

Use when a Design/UI task needs typography improvements, font choice, hierarchy, sizing, weight, line length, readability, or text…

Generate and format typing rules in inference rule notation for type system design

Run typos-cli on the codebase, review findings, fix real typos, and update _typos.toml config to suppress false positives.

Audits web typography against 78 rules in 10 categories: font selection and @font-face setup, sizing and measure, punctuation, spacing and…

Apple platform typography reference (San Francisco fonts, text styles, Dynamic Type, tracking, leading, internationalization) through iOS 26

Browse and select fonts from Google Fonts or curated pairings.

Typst academic paper assistant for existing `.typ` paper projects in English or Chinese.

Walk a business/UAT approver through a plain-language demo of a verified feature and capture business acceptance signoff.

Generate UAT test cases from requirements and acceptance criteria with traceability

Use when the user wants to define domain terms, build a glossary, harden terminology, create a ubiquitous language, or mentions "domain…

Maintain a project thesaurus (domain glossary) following DDD ubiquitous language principles.

Design learning tasks built on Ubuntu philosophy emphasising collective knowledge-building and mutual responsibility.

Upload files to UCloud US3 object storage and generate public URLs

Translate and localize uCoz site content via MCP and uAPI: module materials and categories, design templates and global blocks, site…

Implement UCP Order capability and webhook delivery — post-purchase order management with fulfillment tracking, adjustments…

Set up a UCP project — scaffold a merchant server or platform client with discovery profile, SDK installation, and project structure.

Author custom UCP schemas and extensions — create capability schemas, extension schemas, and type definitions using JSON Schema 2020-12…

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior.

Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands…

Use when you have a spec or requirements for a multi-step task, before touching code

Audits an existing lesson against UDL's three principles — engagement, representation, and action/expression.