Stream Vessel describes user-approved redirects for custom MCP clients
Stream Vessel says Alexander Loginov's design keeps operator allowlists and adds up to 10 user-trusted HTTPS callbacks, with a typed host, an email alert and revocation on removal.
By RuntimeWire Staff · Published
Primary source: Hacker News
Why it matters
Hosted MCP servers face a choice between operator allowlists that block custom agents and open registration that lets a fake client harvest an authorization code in one click. Stream Vessel's per-user trusted redirect list, decided at authorize time with a typed host, an email alert and revocation on removal, offers another approach for MCP operators.
Alexander Loginov published Stream Vessel's account of the design on November 4th, 2026. Stream Vessel published its account of the design on November 4th; it did not specify a feature rollout date.…
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