Writing

Create grounded paid-media creative concepts, copy angles, refresh hypotheses, and measurable test briefs across advertising platforms.

Operate connected WordPress sites through the NotFair MCP.

Use when a user explicitly requests Sepia review to diagnose prose without editing.

Use when a user explicitly requests Sepia write to create new prose.

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization.

Use this skill alongside figma-use when the task involves translating an application page, view, or multi-section layout into Figma.

Motion / animation context for the `use_figma` MCP tool — animating Figma nodes via manual keyframes, animation styles, easing, and timeline duration.

Shoot software UI like a film.

Guide the user through a quadrant walk that maps the unknowns of a task — open by listing the known knowns, then work through known unknowns, unknown knowns…

Build animations and interactive elements (explainers, figures, hero visuals, step-through walkthroughs) in the crafted isometric "Anatomy" style, with many…

Generate Ian-style Xiaohei illustrations for articles, posts, blogs, Notion documents, workflows, methods, processes, structures, states, metaphors, and…

Capture and review Agent Skill observations, and create, run, diagnose, or iteratively improve Skill evaluations (evals) with the skill-up CLI.

Make videos as web pages with OpenFilm.

Compare screenshots against the intended design, distinguishing approved references from historical baselines.

Define, review, or update SECURITY_MODEL.md files that tell security review tools a repository's threat model, trust boundaries, invariants, reportable…

PR code review that surfaces decay risks, design smells, and maintainability issues with concrete Symptom → Source → Consequence → Remedy findings, drawing on…

Test quality review drawing on twelve classic engineering books — with primary focus on xUnit Test Patterns, The Art of Unit Testing, How Google Tests…

Scaffold a new brooks-lint analysis skill so it passes `npm run validate` and `npm run evals` on the first try — generates skills/{name}/SKILL.md (with the…

Prepare and publish a new version of the waza azd extension.

Use this skill alongside figma-use when the task involves translating an application page, view, or multi-section layout into Figma.

Use when you have an approved spec or written requirements for a multi-step task that needs a durable plan document before touching code.

Audit whether tests earn their maintenance cost and which suite owns each contract.

Create or revise agent skills.

Break large features into independently verifiable, human-reviewable slices under a feature directory in specs/.