Skills

last30days is an Agent Skill that researches recent discussion across Reddit, Hacker News, GitHub, Polymarket, X, YouTube, and other sources, then organizes the last 30 days by engagement signals.

Obsidian Skills teaches AI assistants the file formats used for notes, wikilinks and visual canvases. Existing Obsidian users can start with file-based skills through manual copying, without programming. Command-line control and web extraction are separate optional capabilities.

Claude Skills is a cross-platform collection of hundreds of skills, agents, commands, and scripts spanning engineering, product, marketing, research, compliance, finance, and daily productivity.

An open-source product management skill library from Product on Purpose, using 68 composable skills, 12 workflows, and six sub-agent definitions to structure outputs from research and problem framing through PRDs, measurement, and retrospectives, with installation paths for Claude Code and other agents.