realitycheck-check
Full Reality Check analysis - fetch source, perform 3-stage analysis, extract claims, register to database, and validate. The flagship command for rigorous source analysis.
canvas-design
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
video-query
Analyzes video files using Google Gemini API and answers questions about content. Triggers on keywords: video query, analyze video, video analysis, query video
data-exploration
Rules and strategies for exploring databases, tables, schemas, and searching metadata.
query-evaluator
Lightweight rules for determining if a ClickHouse SQL query has obvious inefficiencies or if it is already optimal and should be skipped for optimization.
query-optimizer
Detailed instructions and rules for optimizing ClickHouse SQL queries. Focuses on performance tuning, data pruning, and ClickHouse-specific strategies using all available schema and query tools.
harden-supply-chain-sec
Harden software supply chain security by configuring minimum release age across package managers. Auto-detects active managers or accepts explicit argument. Supports pnpm, yarn, bun, npm, uv. Warns for unsupported managers (pip, cargo, go). Includes dry-run confirmation, version compatibility check, frozen-lockfile awareness, and optional (--harden) post-config security hardening of CLAUDE.md/AGENTS.md. Default duration: 7 days. Triggers on keywords: harden supply chain, supply chain security, minimum release age, package age gate
decompose
Decompose project or track into modules with dependency mapping. Updates architecture.md (source of truth) and derives .ai-context.md (token-optimized, derived from architecture.md) with module definitions, dependency diagram, and implementation order.
minecraft-block-facing
Correctly place directional blocks (doors, levers, torches, signs, banners, stairs) in Minecraft via RCON
brand-guidelines
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
realitycheck-stats
Show statistics about the Reality Check database including counts for claims, sources, chains, and predictions.
trade-journal
Audit trail for every trade in the controlled experiment (30-trade validation)
log-research
Write and maintain research logs — durable records of experiments, sessions, and findings. Covers both internal experiment logs (what we ran, what happened) and published research logs (what we explored, what we learned). Use after experiments, evaluations, research sessions, or when synthesizing a day's work.
script-demo
Demonstrate how a built-in prompt skill can safely orchestrate JavaScript or Python commands through host tools.
playwright-cli
Browser automation via playwright-cli. Token-efficient alternative to Playwright MCP - uses CLI commands through Bash instead of MCP tool schemas. Supports navigation, interaction, screenshots, video recording, and session management. Triggers on keywords: browser, e2e, playwright, screenshot, navigate, click, type, test browser, visual test