Automation: n8n, Zapier, Make, web hooks, AI Agent + Tool Calling. LLM/AI: OpenAI, Claude, Groq (Llama 3.3), OpenRouter, Embedded Gemini models. Voice: AssemblyAI, UniTalk. CRM: Zoho CRM (EU), Klaviyo. Data: PostgreSQL, Qdrant, Airtable, Google Sheets/Docs/Drive. Communication: Telegram Bot API, Slack, Gmail, Wix Forms. Tasks: end-to-end workflow, prompt engineering, JSON scripting, call transcription with tonality analysis, SLA monitoring, BANT lead qualification, analytical agents.