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What secures LLMs calling APIs via MCP? A stack of OAuth specs—here’s how they fit together

published on 2025-06-23 14:55:53 UTC by /u/Smooth-Loquat-4954
Content:

Model Context Protocol is quickly becoming the default way for LLMs to call out to tools and APIs—but from a security standpoint, it’s been a little hand-wavy. This post fixes that.

It shows how five OAuth specs—including dynamic client registration and protected resource metadata—combine to form a secure, auditable, standards-based auth flow for MCP.

submitted by /u/Smooth-Loquat-4954
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Article: What secures LLMs calling APIs via MCP? A stack of OAuth specs—here’s how they fit together - published 3 months ago.

https://www.reddit.com/r/netsec/comments/1liiq8e/what_secures_llms_calling_apis_via_mcp_a_stack_of/   
Published: 2025 06 23 14:55:53
Received: 2025 06 23 14:57:59
Feed: /r/netsec - Information Security News and Discussion
Source: /r/netsec - Information Security News and Discussion
Category: Cyber Security
Topic: Cyber Security
Views: 15

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