Operations
Tool stack
Your tool stack is the set of SaaS apps your business operates on. The AI-era stack typically includes: LLM (Claude / GPT), workflow orchestrator (Zapier / Make / n8n), CRM (HubSpot / Pipedrive), email (Resend / Mailgun), calendar (Cal / Calendly), analytics (PostHog), support (Plain / Intercom), billing (Stripe).
More detail
Aiprosol's recommended SMB stack (covered in the $197 AI Tools Stack Starter Kit): Claude + GPT-4o-mini + n8n self-hosted + HubSpot Free + Supabase pgvector + Resend + Cal.com + PostHog + Plain + Notion + Google Workspace + Slack + Stripe + Mercury. At 25-person scale, total fixed cost ~$1,000/mo (<0.5% of $200k MRR revenue).