AI Tools Kit
AI Architecture

Inside Model Context Protocol: How MCP Servers Actually Work

MCP connects AI models to tools via JSON-RPC 2.0 across stdio and HTTP transports. This deep-dive covers the host-client-server split, capability negotiation, the tool call state machine, and why the protocol was designed this way.

Published May 6, 2026
15 min read
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Inside Claude Opus 4.7 Adaptive Thinking: How Effort Levels Actually Work

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