productivity▌

Guides free tools pages that drive traffic and lead generation for the main product. Tools are free, standalone utilities — not the primary monetization. They serve the same ICP as the paid product, are often extracted mini-features from the full product (low dev effort), and typically scale via programmatic SEO. Distinct from features (paid capabilities) and resources (content hub).

Pymatgen is a comprehensive Python library for materials analysis that powers the Materials Project. Create, analyze, and manipulate crystal structures and molecules, compute phase diagrams and thermodynamic properties, analyze electronic structure (band structures, DOS), generate surfaces and interfaces, and access Materials Project's database of computed materials. Supports 100+ file formats from various computational codes.

Guides migration pages that help users switch from a competitor to your product. Reduces friction for switchers; often linked from alternatives pages. Common for SaaS, tools, and productivity apps.

Guides YouTube advertising: TrueView, Bumper, and Discovery (in-feed) formats. Use this skill when planning or optimizing YouTube ad campaigns. For Google Search/Display/PMax, see google-ads. For organic YouTube optimization, see youtube-seo.

Use Model Merging when you need to:

Use this skill to keep App Store Connect (ASC) and RevenueCat aligned, including creating missing ASC items and mapping them to RevenueCat resources.

Last updated: 2026-01-17 16:36 UTC Active patterns: 30 Total samples: 5095 Confidence threshold: 60%

Meta-skill for creating new Claude Code skills, including skills that wrap MCP pipelines.

微信公众号内容创作全流程工具：Markdown 排版、写作助手、AI 去痕、图片上传、草稿发布。

This skill tracks institutional investor activity through 13F SEC filings to identify "smart money" flows into and out of stocks. By analyzing quarterly changes in institutional ownership, you can discover stocks that sophisticated investors are accumulating before major price moves, or identify potential risks when institutions are reducing positions.