Autonomous validation of Polar.sh billing integration. Checks webhook endpoints, signature verification, subscription middleware, and environment configuration.
Autonomous validation of Polar.sh billing integration. Automatically triggers on webhook file changes, subscription code modifications, or before deployments to verify signature verification, environment variables, and database schema are correctly configured.
/plugin marketplace add hirefrank/hirefrank-marketplace/plugin install edge-stack@hirefrank-marketplaceThis skill inherits all available tools. When active, it can use any tool Claude has access to.
This SKILL automatically activates when:
**/webhooks/polar.* are created/modifiedwrangler.toml is updated.dev.vars, .env) are modifiedWebhook Endpoint:
server/api/webhooks/polar.ts or similar)polar.webhooks.verify)checkout.completed, subscription.created, subscription.updated, subscription.canceledEnvironment Variables:
POLAR_ACCESS_TOKEN configured (check .dev.vars or secrets)POLAR_WEBHOOK_SECRET in wrangler.tomlDatabase:
polar_customer_id columnEvent Handling:
subscription.past_due handler existsSubscription Middleware:
subscription_status === 'active'current_period_end not expired🔍 Polar.sh Integration Validation
✅ P1 Checks (Critical):
✅ Webhook endpoint exists
✅ Signature verification implemented
✅ Environment variables configured
✅ Database schema complete
⚠️ P2 Checks (Important):
⚠️ Missing subscription.past_due handler
✅ Subscription middleware exists
✅ Protected routes check subscription
ℹ️ P3 Suggestions:
ℹ️ Consider adding webhook event logging
ℹ️ Add rate limiting to webhook endpoint
📋 Summary: 1 warning found
💡 Run /es-billing-setup to fix issues
Complex scenarios escalate to polar-billing-specialist agent:
/validate and /es-deploy commandsThis skill should be used when the user asks to "create a slash command", "add a command", "write a custom command", "define command arguments", "use command frontmatter", "organize commands", "create command with file references", "interactive command", "use AskUserQuestion in command", or needs guidance on slash command structure, YAML frontmatter fields, dynamic arguments, bash execution in commands, user interaction patterns, or command development best practices for Claude Code.
This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use description", "agent examples", "agent tools", "agent colors", "autonomous agent", or needs guidance on agent structure, system prompts, triggering conditions, or agent development best practices for Claude Code plugins.
This skill should be used when the user asks to "create a hook", "add a PreToolUse/PostToolUse/Stop hook", "validate tool use", "implement prompt-based hooks", "use ${CLAUDE_PLUGIN_ROOT}", "set up event-driven automation", "block dangerous commands", or mentions hook events (PreToolUse, PostToolUse, Stop, SubagentStop, SessionStart, SessionEnd, UserPromptSubmit, PreCompact, Notification). Provides comprehensive guidance for creating and implementing Claude Code plugin hooks with focus on advanced prompt-based hooks API.