Agent skills for Claude Code

Clerk Backend REST API explorer and executor.

Per-message cost breakdown within a single session.

Reassess before declaring a task or plan complete, before the third repeated check, or after more than 15 tool calls on one subgoal.

Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management.

Search scientific papers and retrieve structured experimental data extracted from full-text studies via the BGPT MCP server.

Create safety-bounded draft structures and run local deterministic checks for clinical case, diagnostic, trial, safety, and aggregate…

Query the CZ CELLxGENE Census programmatically for versioned public single-cell and spatial transcriptomics data.

Best practices for Remotion - Video creation in React

Prototype one bounded design question with a disposable runnable probe; exclude production proof, uncertain defects, and multi-decision…

Research one bounded source-answerable question for a caller-owned use.

Explicitly turn one settled source into the smallest useful dependency-ordered implementation ticket graph and publish it to the…

Use when approved parallel implementation across agents or sessions needs separate git branches/worktrees, when a user explicitly asks for…

Create, edit, or audit instructions agents consume, including skills, AGENTS.md, prompts, guides, specs, tickets, handoffs, and subagent…

Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files).

Use when the user wants to set auto-routing mode: on (every task-shaped message routes), auto (intent-verb messages route — default), or…

Transforms workflows into interactive whiteboard-style diagrams with sticky notes and hand-drawn SVG connectors.

RUNTIME skill — use when implementing the runtime side of Stigg — gating feature access (`hasAccess`, `getMeteredEntitlement`…

Semantic Design System Skill for Google Stitch.

Iterative design-to-code feedback loop. Critique → adjust → ship cycle for tightening visual fidelity between brief and built UI.

Transforms vague UI ideas into detailed prompts optimized for Stitch -- enhances specificity, adds UI/UX keywords, injects design system…

Converts a Stitch mobile screen, a local HTML file, or a URL into SwiftUI views for native iOS apps — VStack/HStack/ZStack layout mapping…