Hacker NewsHN submitter: isalexlog
Original published:

Letting users trust their own MCP clients, without opening a phishing hole

Letting users trust their own MCP clients, without opening a phishing hole

Explains how to allow users to trust their own MCP clients without creating phishing vulnerabilities by using per-user trusted redirect URIs decided at sign-in.

Key points

  • •MCP servers face a choice between refusing custom clients or opening a phishing hole.
  • •Using per-user trusted redirect URIs decided at sign-in solves this conflict.
  • •This approach ensures user trust while minimizing security risks.
#Security & Misuse#AI Agents#MCP
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