mkusaka/ccskills

agent-design-patterns

Reference guide covering decision heuristics for building agents on the Claude API, including tool surface design, context management, caching strategies, and composing tool calls

anthropic-python-sdk-0-x-to-1-x-upgrade

Step-by-step migration guide for upgrading Python projects from the Anthropic SDK 0.x to 1.x, covering Python and dependency requirements, httpx2, removed APIs and parameters, response handling, testing, and verification

artifact-components

Catalogs reusable Artifact components and supplies the exact scripts, styles, tokens, markup contract, and composition limits for embedding interactive decision blocks

artifact-dashboard

Instructions for creating dashboard artifacts with KPI tiles, chart specifications, and breakdown tables from the built-in template

artifact-data-table

Skill instructions for creating interactive data-table artifacts with sortable, filterable tabular data, safe JSON embedding, theming, and template-preservation requirements

artifact-design

Design guidance skill for producing distinctive, polished artifacts by calibrating visual treatment, applying design fundamentals, planning color, type, and layout, and avoiding templated AI-generated defaults

artifact-diagramming

Provides Artifact diagramming guidance, including when diagrams add value and how to build legible theme-aware inline SVG

doc

Skill instructions for creating live editable document artifacts with structured prose, status metadata, commenting, and template-preservation requirements

artifact-explainer

Instructions for creating explainer artifacts with numbered-step or section walkthrough structures from the built-in template

artifact-pr-review

Skill instructions for gathering a GitHub pull request, authoring a structured review briefing payload, and publishing it through the Artifact tool pr_review input

artifact-pr-review-description-composed-publish-flow

Trigger description for the composed PR review briefing Artifact flow with republish-only updates

artifact-pr-review

Skill instructions for gathering a GitHub pull request, authoring a structured review briefing, optionally wiring a live staleness signal, filling the bundled HTML template, and publishing it as an Artifact

artifact-report

Instructions for creating long-form report artifacts with a masthead, table of contents, structured sections, and optional appendix from the built-in template

artifact-whiteboard-when-to-use-guidance

When-to-use guidance for proactively offering a whiteboard during architecture, multi-component planning, or repeated clarification while limiting the offer to once per session

workshop

Runs an iterative decision workshop through a published Artifact, applies reader choices through build kickoff, and updates the living record with shipped deliverables

building-llm-powered-applications-with-claude

Guides Claude in building LLM-powered applications using the Anthropic SDK, covering language detection, API surface selection (Claude API vs Managed Agents), model defaults, thinking/effort configuration, and language-specific documentation reading

claude-code-configuration-guide

Skill instructions for answering Claude Code configuration questions by checking the running build, bundled references, and current documentation

computer-use-mcp

Instructions for using computer-use MCP tools including tool selection tiers, app access tiers, link safety, and financial action restrictions

cowork-plugin-authoring

Skill instructions for creating or customizing Cowork plugins, including mode selection, research, implementation, packaging, connector replacement, and plugin delivery

data-visualization

Skill instructions for producing accessible, brand-neutral charts, graphs, dashboards, and data visualizations using a validated method

design-description

Trigger description for the Design skill, covering editable multi-artboard canvas Artifacts for interfaces, marketing graphics, and print layouts

design

Skill instructions for creating and publishing multi-artboard Claude Design canvas Artifacts with editable layouts and source-grounded visual recreation rules

design-sync-package-source-shape

Shape-specific /design-sync instructions for syncing a React design system from a built package without Storybook

design-sync

Skill for syncing a React design system to claude.ai/design by configuring the target project, running the converter, verifying previews, and uploading verified artifacts

design-sync-storybook-source-shape

Design sync sub-skill instructions for using a repo's Storybook as the fidelity oracle when building, validating, matching, uploading, and re-syncing component previews

dynamic-pacing-loop-execution

Step-by-step instructions for executing a dynamic pacing loop that runs tasks, arms persistent monitors for event-gated waits, schedules fallback heartbeat ticks, and handles task notifications

loop-self-pacing-mode

Instructs Claude how to self-pace a recurring loop by arming event monitors as primary wake signals and scheduling fallback heartbeat delays between iterations

model-migration-guide

Step-by-step instructions for migrating existing code to newer Claude models, covering breaking changes, deprecated parameters, per-SDK syntax, prompt-behavior shifts, and migration checklists

plan-artifact

Skill instructions for creating or customizing shareable plan artifacts from implementation plans, design docs, or RFCs

prompt-audit

Audits prompts, skills, tool descriptions, and request configuration for obsolete model-specific patterns and produces a report plus proposed diff

prototype-description

Trigger description for the Prototype skill, covering working proof-of-concept Artifacts and optional in-place feature demonstrations

prototype

Turns a product or UI idea—including an explicitly requested feature shown in an existing app—into a working proof-of-concept Artifact through intake, assumption setting, publication, and feedback iteration

run

Skill for launching and driving the current project's app through its real runtime surface using project-specific run skills or fallback patterns

run-browser-driven-web-app-example

Example file for the Run app skill showing how to start a web dev server, drive it with chromium-cli, capture screenshots, and document app-specific gotchas

run-cli-tool-example

Example file for the Run app skill showing how to document building, invoking, and testing a CLI tool

run-electron-desktop-gui-app-example

Example file for the Run app skill showing how to launch an Electron desktop app under xvfb and drive it through a Playwright REPL driver

run-library-sdk-example

Example file for the Run app skill showing how to document building, testing, and smoke-checking a library or SDK at its public package boundary

run-skill-generator

Skill for authoring or improving a project-specific run skill that documents verified build, launch, runtime driving, and troubleshooting steps

run-skill-template

Template file for the Run skill generator showing the frontmatter and section structure for a project-specific run skill

run-tui-interactive-terminal-app-example

Example file for the Run app skill showing how to drive an interactive terminal app with tmux, readiness polling, pane capture, key references, and cleanup