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Rama Digital blog.

Work notes on AI, ads, and digital systems for business owners and teams.

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How MCP Works: Host, Client, Server, Tool, Resource, and Prompt

How MCP Works: Host, Client, Server, Tool, Resource, and Prompt

MCP uses JSON-RPC 2.0 messages between host, client, and server. This article follows 1 tool call step by step: server discovery, tool list, consent, tools/call, results or errors, then the answer. It closes with a tool vs resource vs prompt table and a simulation with dummy data.

What Is MCP (Model Context Protocol)? An Explanation for Business Owners

What Is MCP (Model Context Protocol)? An Explanation for Business Owners

MCP (Model Context Protocol) is 1 standard way to connect Claude, ChatGPT, OpenClaw, or Hermes Agent to your ERP, spreadsheets, database, and CRM. This article explains the 3 roles, the 3 server features, what MCP is not, and 1 simulation of a shop owner asking for stock.