Claude as your endurance coach for marathons, triathlons, Ironman events, and more

An open-source AI SEO coach for beginners: practice on your own website, make evidence-based decisions, and track verifiable progress without expensive tools.

An agent skill for evidence-based mouse sensitivity tuning, cross-game conversion, and gameplay review. Works with Codex, Claude Code, and Agent Skills hosts.

Stockfish + LLM chess coach: an MCP server and web board that explain your mistakes in plain English

AI-powered learning coach with spaced repetition with Claude Code - master any knowledge faster with personalized syllabi and progress tracking

Practical Agent Skills — English-for-engineers coaching, Pi Agent setup, and more. Install via npx skills add.

PM skill for Claude Code, Codex, Cursor, and Windsurf: diagnose SaaS metrics, critique PRDs, plan roadmaps, run discovery, and coach PM career transitions.

Evidence-based learning engine — first-principles curricula, free-recall verification with receipts, FSRS-scheduled memory, and explorable artifacts. Learn anything; keep it.

Automated quality checks that nudge AI coding agents toward better habits

A Claude skill blending psychology, philosophy, and wisdom traditions into a conversation partner with actual depth. Free, open-source, not a therapist.