Add Stripe billing/payments/subscriptions to a Convex app via @convex-dev/stripe — checkout action, auto-verified webhook, server-side subscription gating. TRIGGER when the user wants payments/billing/subscriptions/a paywall/Stripe.
Install
npx skills add convex/convex-backend-skill --skill billingnpx skills add convex/convex-backend-skill --skill billing -a claude-code -gnpx skills add convex/convex-backend-skill --skill billing -a codex -ggemini skills install https://github.com/convex/convex-backend-skill.git --path skills/billinggh skill install convex/convex-backend-skill billinggit clone --depth 1 https://github.com/convex/convex-backend-skill /tmp/convex__convex-backend-skill
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/convex__convex-backend-skill/skills/billing ~/.claude/skills/billing # Claude Code
cp -R /tmp/convex__convex-backend-skill/skills/billing ~/.agents/skills/billing # Codex, Cursor, Gemini CLI, Copilot, OpenCode