Alter
Alter is an access control service that stores agent credentials, enforces per-action policy, and logs every call for developers.
What it is good for
- Keeping API keys out of agent code and config files
- Limiting what each AI agent can do with company accounts
- Requiring a named person to approve risky agent actions
- Producing an audit trail of agent actions for a security review
At a glance
- Who it is for
- Setup
- Requires programming
Level 5 of 5. You need to write code to use it.
- Cost
- Not stated
- Type
- Other
- Works with
- LangChain, MCP, AWS, GitHub, Slack, Google Calendar
Momentum
- Rank this week
- Not ranked (last #17, week 43, 2026)
- Best rank
- #17 week 43, 2026
On Hacker News
- Launch HN: Alter (YC S25), Access control for multi-user agents 69 points, 60 comments, Oct 21, 2026
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Do I need to know how to code to use Alter?
- Yes. You need to write code to use it.
- What does Alter work with?
- According to its own documentation, it works with LangChain, MCP, AWS, GitHub, Slack, and Google Calendar.
- What is Alter good for?
- Keeping API keys out of agent code and config files, limiting what each AI agent can do with company accounts, requiring a named person to approve risky agent actions, and producing an audit trail of agent actions for a security review.
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