Alternatives

Alternatives to Codex Plugins

4 Agent Skills & Extensions rivals, ranked by the same evidence-graded leaderboard — Codex Plugins itself ranks #4 with a PA Score of 19/100. Every “beats Codex Plugins on” below comes from a judged head-to-head round with cited evidence — see the methodology.

#1
Anthropic Skills
Anthropic
PA Score 24/100vs Codex Plugins →
coverage
31.7/100
Beats Codex Plugins on: Drive the product through a documented public API · Skills are plain markdown files and folders I can read, copy, and carry to another harness — not a proprietary binary format
#2
Superpowers
Prime Radiant (Jesse Vincent)
PA Score 22/100vs Codex Plugins →
coverage
35.1/100
Beats Codex Plugins on: Install the same collection into multiple different coding agents — Claude Code, Codex, Cursor, and others — with per-harness instructions · The collection maintains tests or evals for its skills so changes are verified against regressions rather than shipped on vibes
#3
Skills for Real Engineers
Matt Pocock (AI Hero)
PA Score 19/100vs Codex Plugins →
coverage
26.6/100
Beats Codex Plugins on: There is a documented update path — marketplace auto-updates or an explicit update command — so I get fixes without reinstalling from scratch · Self-host the core product
#5
skills.sh
Vercel
PA Score 18/100vs Codex Plugins →
coverage
37.8/100
Beats Codex Plugins on: Install the same collection into multiple different coding agents — Claude Code, Codex, Cursor, and others — with per-harness instructions · There is a documented update path — marketplace auto-updates or an explicit update command — so I get fixes without reinstalling from scratch

Full leaderboard: Agent Skills & Extensions arena →