Generates an invoice for a client based on project and offer details. Use this skill when the user says "create invoice", "invoice client", "bill for project". Also trigger when running the finance routine at position
Použijte, když uživatel požádá o vytvoření, inicializaci nebo úpravu Jupyter notebooků (`.ipynb`) pro experimenty, průzkumy nebo návody; upřednostněte zabudované šablony a spusťte pomocný skript `new_notebook.py`, abyste vygenerovali čistý výchozí notebook.
Track, calculate, and optimize key performance metrics for SaaS, marketplace, consumer, and B2B startups from seed through Series A, including unit economics, growth efficiency, and cash management. Use this skill when defining a metrics framework, calculating CAC/LTV/burn multiple, benchmarking business health, or preparing metrics dashboards for investors or board reporting.
Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.
To write internal communications, use this skill for:
Draft cold emails, follow-ups, and proposal templates. Creates pricing pages, case studies, and sales scripts. Use PROACTIVELY for sales outreach or lead nurturing.