productivity & organization

file & knowledge management

obsidian-skills (22.7k stars) — agent skills for Obsidian. by Steph Ango. also in communication-and-writing. must-install if you use Obsidian.
File Organizer — intelligently organizes files by context, finds duplicates. untested Composio entry.
Invoice Organizer — organizes invoices/receipts for tax prep. untested Composio entry.
tutor-skills (680 stars) — turns PDFs/docs/codebases into Obsidian study vaults. interesting for students.
second-brain-skills (664 stars) — turns Claude Code into a Second Brain. also in tooling. decent.

kaizen — continuous improvement methodology. from NeoLab. opinionated but useful.
claude-sessions (1.2k stars) — session tracking and documentation slash commands. handy.
n8n-skills — Claude understands and operates n8n workflows. niche — only if you use n8n.
ship-learn-next — iterates on what to build or learn next.
tapestry — interlinks documents into knowledge networks. solid.

Tailored Resume Generator — analyzes job descriptions, generates targeted resumes. untested Composio entry.