Alternatives

Alternatives to Anthropic Skills

4 Agent Skills & Extensions rivals, ranked by the same evidence-graded leaderboard — Anthropic Skills itself ranks #1 with a PA Score of 24/100. Every “beats Anthropic Skills on” below comes from a judged head-to-head round with cited evidence — see the methodology.

#2
Superpowers
Prime Radiant (Jesse Vincent)
PA Score 22/100vs Anthropic Skills →
coverage
35.1/100
Beats Anthropic Skills on: Install the same collection into multiple different coding agents — Claude Code, Codex, Cursor, and others — with per-harness instructions · Installed skills trigger automatically from task context, with descriptions engineered so the agent activates the right skill at the right moment
#3
Skills for Real Engineers
Matt Pocock (AI Hero)
PA Score 19/100vs Anthropic Skills →
coverage
26.6/100
Beats Anthropic Skills on: Read the product's source under an open license · There is a documented update path — marketplace auto-updates or an explicit update command — so I get fixes without reinstalling from scratch
#4
Codex Plugins
OpenAI
PA Score 19/100vs Anthropic Skills →
coverage
27.4/100
Beats Anthropic Skills on: Delegate tasks to a built-in AI assistant inside the product · Plug MCP servers into this product so it can use their tools
#5
skills.sh
Vercel
PA Score 18/100vs Anthropic Skills →
coverage
37.8/100
Beats Anthropic Skills on: My coding agent can install a skill by itself — a non-interactive, promptless install path an agent can run headlessly end to end · Install the same collection into multiple different coding agents — Claude Code, Codex, Cursor, and others — with per-harness instructions

Full leaderboard: Agent Skills & Extensions arena →