Stream Vessel Enhances MCP OAuth to Support Trusted Custom Client URIs

1 reports archived1 independent sourcesupdated 11/4/2026, 23:30:57

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Stream Vessel addresses the MCP OAuth registration bottleneck where custom agents fail due to strict redirect URI allowlists. The new mechanism allows users to manually verify and trust non-predefined client callback addresses, enabling personal agents to securely access private storage like S3 without compromising anti-phishing security.

LATEST/Stream Vessel addresses the MCP OAuth registration bottleneck where custom agents fail due to strict redirect URI allowlists. The new mechanism allows users to manually verify and trust non-predefined client callback addresses, enabling personal agents to securely access private storage like S3 without compromising anti-phishing security.

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Hacker News AIT2Nov 4, 23:30·68 pts
Stream Vessel Enhances MCP OAuth to Support Trusted Custom Client URIs
- The redirect URI allowlist in standard MCP OAuth blocks integration of self-built agents.
- Stream Vessel introduces a user-side trust verification mechanism to balance security and openness.
- Developers can test custom client authorization flows via `https://mcp.streamvessel.com`.
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