Browse The Skill Store

Turn AWS billing mysteries into 10-minute root cause reports by correlating cost spikes with engineering events.

Stripe Subscription Engine

by PubsProToolkit

$69

Scaffold a complete, production-ready Stripe subscription system — Checkout, customer portal, hardened webhooks, plans, seats, proration, and dunning — wired to your database.

Catch App Store and Google Play rejection causes before you submit — privacy manifest, permissions, billing, target SDK, ATT

💳 Stripe Webhook & Checkout Doctor

by JustHandled Labs

$25

Diagnose why Stripe Checkout, the Billing Portal, or your webhooks aren't working: missing signature verification, raw-body mistakes, no idempotency, test/live key mix-ups, broken success and cancel URLs, and subscription lifecycle gaps. Works across Next.js, Express, FastAPI, and serverless, with severity, evidence, and copy-paste fixes for each finding.

Generate a complete, country-compliant Excel invoicing and tax tracking system for any business worldwide.

ereloonnota

by Nex AI

$5

Automated draft fee proposals for architects with transparent phase-based calculations and cost-base tracking.

Complete Next.js & Stripe billing engine with per-seat proration, secure webhooks, and multi-tenant member management.

fee letter

by Nex AI

$5

Generate compliant, professional engagement letters and fee proposals for accounting firms and financial advisors.

facturatie omschrijving

by Nex AI

$5

Transform raw attorney timesheets into professional, client-ready billing descriptions while protecting legal privilege.

AI Prompt Injection Defense Shield & LLM Jailbreak Security Auditor Code Review Agent

by Brandon DeVries

Free

Stop leaving your AI startup exposed to malicious users trying to steal your proprietary system prompts or bypass your paywalls. The AI Prompt Injection Defense Shield is an automated code review agent that deeply analyzes your Next.js or Python backend, instantly detecting insecure LLM input fields, un-sanitized API data streams, and weak prompt boundaries. By automatically generating the exact copy-paste code patches required to harden your AI wrapper against the latest OWASP top 10 LLM vulnerabilities, this skill allows solo developers and indie hackers to confidently launch their SaaS without the fear of massive, unexpected API billing spikes or catastrophic data leaks.

peppol einvoice validator be

by Nex AI

$9/mo

Generate and validate Belgian Peppol BIS Billing 3.0 e-invoices (UBL 2.1) with Mod-97 VAT and business rule checks.

Production Stripe billing in one shot. Subscriptions, metered usage, webhooks, customer portal, tax, fraud. 12 patterns, TS+Python.

Api Billing Integrator

by Echo Rose

$5

Api Billing Integrator - A Premium AI Agent Skill

milestone invoice preflight

by NORTHSTAR

$15

Verify each proposed agency or service-business charge against the supplied agreement, billing trigger, approval, and delivery evidence before the invoice is sent.

Local-first revenue assurance tool to identify billing leakage, unbilled usage, and expired discounts.

Pricing Page Clarity Auditor

by PromptWagon

$9.99

Reviews SaaS, subscription, digital product, membership, service, and ecommerce pricing pages for confusing tiers, weak value framing, unclear plan differences, missing FAQs, missing risk reducers, poor upgrade logic, hidden objections, unclear billing terms, weak plan comparison copy, and customer decision friction.