📚 Sources

• Anthropic — Introducing the Model Context Protocol (Nov. 2024); adoption by OpenAI (March 2025) & Google DeepMind (April 2025); > 10,000 MCP servers by late 2025.
• Yao et al. — ReAct: Synergizing Reasoning and Acting in Language Models (2022 / ICLR 2023).
• Microsoft — Microsoft Agent Framework: convergence of AutoGen + Semantic Kernel (announced late 2025, GA expected Q1 2026); AutoGen in maintenance.
• State of frameworks 2026: LangGraph (production, checkpointing — Klarna, Uber, LinkedIn), CrewAI (roles, strong enterprise adoption).
• 2025 research on the cost/limits of multi-agents (UC Berkeley, Google DeepMind; Anthropic measurements: ~15× tokens vs chat, −35% on a planning task).
• Make product documentation (make.com): visual automation, 3000+ integrations, “AI Agents” (Apr. 2025), “Make Grid”, “Maia” assistant. State mid-2026.
• n8n product documentation: ~70 AI nodes, “AI Agent” node, cloud/self-hosted, JS/Python code nodes, per-execution pricing. State mid-2026.
• Airtable product documentation: AI-native rebuild (relaunch June 2025), “Omni”, “Field Agents”. State mid-2026.
• ⚠️ The capabilities of Make, n8n and Airtable evolve every 2-3 months; check the versions/features at the time of reading. Comparisons are illustrative, with no favorite.