From APIs to MCP (Model Context Protocol)
From APIs to MCP How AI Agents Connect with ServiceNow and Enterprise Tools Understanding APIs, AI models, AI agents, and Model Context Protocol—and how they work together to enable safe enterprise automation. servicenowwithganesha Table of Contents Table of Contents 2 From APIs to MCP: How AI Agents Connect with ServiceNow and Enterprise Tools 3 What Is an API? . 3 Why APIs Were Introduced . 4 Common API Methods 4 GET: Read data . 5 POST: Create data . 5 PATCH: Update selected data . 5 DELETE: Remove data . 5 API Authentication Methods 5 API Key . 5 Basic Authentication . 6 Bearer Token . 6 OAuth 2.0 . 6 Mutual TLS . 6 APIs Are Deterministic . 6 Can APIs Call AI Models? . 7 What Is an AI Model? . 7 Why LLMs Are Different from Traditional APIs 8 The Challenge of AI Agents 8 What Is Model Context Protocol? . 9 Model 9 Context 9 Protocol 9 MCP Does Not Replace APIs 9 API vs MCP . 10 How MCP Works...