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MCP authentication and authorization: OAuth for AI agents

calendar_today September 28, 2026 person WitnessAI domain witness-ai

The Model Context Protocol lets AI agents reach enterprise tools, and MCP authentication controls which agents can connect. The protocol has specified OAuth 2.1 for that job, but MCP server deployments have moved much faster than adoption of that specification. The result is a widening gap between what the standard requires and what production environments …

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