{"type":"article","schemaVersion":"1","slug":"mcp-vs-api","title":"MCP vs API: Agent Tools 2026","description":"Model Context Protocol (MCP) is replacing REST APIs as the primary way AI agents interact with services. Compare MCP vs REST API, when to use each, and how to make your API agent-ready.","status":"LIVE","topics":["mcp","api","agent-tools","model-context-protocol"],"concepts":["agent-tools","tool-definitions","protocol-layer"],"rules":["AB-006","AB-020","AB-085"],"capabilities":["mcp-server","tool-discovery"],"actions":[{"type":"read","label":"Read article (Markdown)","url":"https://agentbadge.xyz/blog/mcp-vs-api.md"},{"type":"view-demo","label":"Run Agent Readiness scan","url":"https://agentbadge.xyz/scan?src=article:mcp-vs-api"}],"qa":[{"question":"What Is the Model Context Protocol?","answer":"MCP is an open protocol (introduced by Anthropic in 2024) that standardizes how AI models interact with external tools. It defines:"}],"claims":[{"id":"claim-1","text":"MCP is a layer on top of REST APIs that makes them agent-native, not a replacement.","status":"UNVERIFIED"}],"canonical":"https://agentbadge.xyz/blog/mcp-vs-api","dates":{"published":"2026-08-10","modified":"2026-08-10"},"markdownUrl":"https://agentbadge.xyz/blog/mcp-vs-api.md","jsonUrl":"https://agentbadge.xyz/blog/mcp-vs-api.json","shortAnswer":"MCP (Model Context Protocol) is not a replacement for REST APIs — it's a layer on top that makes APIs agent-native. In 2026, the question isn't MCP vs REST, but how to make both work together so AI agents can discover, understand, and use your service.","technologies":["MCP","REST","JSON-RPC","JSON-Schema"],"entities":["model-context-protocol","mcp-server","mcp-client"],"relatedResources":[{"type":"guide","label":"Agent guide","url":"https://agentbadge.xyz/agent-guide/articles/building-mcp-servers"}]}