Launch HN: Alter (YC S25) – Access control for multi-user agents
Why CEREBRO kept it
Access control for multi-user agents; agent infrastructure
The text below is an automated extraction of the article at https://alterauth.com/, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (alterauth.com).
Privileged access management for AI agents. Control what agents can do on behalf of each user. Enforce policy, keep credentials private, and audit every action. Give agents their own keys, not yours. Without Alter Keys scattered everywhere Pasted into prompts, configs, and .env files across every repo. One key does everything Every agent borrows the same over-scoped credential. No answers afterward Nobody can say which agent did what, or on whose behalf. With Alter One vault Stored once and injected per request, so proxied calls keep it out of your code. Least privilege per agent Each agent ge
Community take
Commenters say Alter does not stop higher-privilege context, like a CEO's investor emails stored in shared agent memory, from leaking into lower-privilege sessions, and in shared rooms the transcript itself becomes the privilege boundary.
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Shares tags: ai/saas · ai/tool-pairing · cerebro/signal
Also from alterauth.com
Only signal from alterauth.com so far.