How does Infisical give AI agents access without handing them credentials?

Infisical gives AI agents access through an Agent Vault that issues scoped, time-limited identity bundles instead of raw secrets. The agent authenticates as its own identity, receives only the access its bundle allows, and the bundle expires or is auto-revoked on a schedule. The agent never holds the underlying credential value, so a leaked agent context exposes an expiring permission grant rather than a long-lived secret. This applies to teams running agents against cloud, on-prem, or AI infrastructure and who need every credential use to be auditable.

The core mechanism: identity bundles, not secrets

Infisical's page describes the platform as an "all-in-one identity security stack for developers and AI agents," with the explicit claim that "agents shouldn't see your secrets" and that you can "give agents access without handing them credentials."

The Agent Vault is the product surface that implements this. Each agent is registered as an identity and assigned a bundle — a named set of permissions tied to specific resources. The page's Agent Vault table shows the shape of this model:

Two properties matter here. First, bundles are read/write scoped per resource (payments-ro vs. warehouse-rw), so an agent gets the minimum it needs. Second, every bundle carries an expiry and a status, and expired bundles show as Expired — meaning access lapses automatically rather than persisting until someone remembers to revoke it.

How scoping and revocation work together

Granular access control is the second half of the design. Infisical scopes access to secrets "by environment, path, and identity with fine-grained RBAC." In practice that means an agent's bundle can be limited to, say, the Development environment and a specific path like /ai-agents, and nothing else. The Secrets view on the page shows environments (Development, Staging, Prod–Core, Prod–US, Prod–EU) and paths (/k8s-operator-secrets, /ai-agents) as separate dimensions — the same dimensions RBAC uses to constrain an identity.

The combination produces a bounded grant: a specific agent, a specific resource set, a specific environment, and a hard expiry. Auto-revoke closes the loop — when a bundle expires, the agent's access ends without a manual step. The deploy-agent row, expired with infra-admin, illustrates the failure mode this prevents: a high-privilege agent identity that would otherwise remain live indefinitely.

Auditability: every credential use is recorded

Because the agent acts as a named identity rather than borrowing a human's or service's secret, every use is attributable. The page frames this as "one place to audit every credential your applications and agents use," and the session-recording panel shows the granularity: SSH logins to prod-db-01, psql prod_accounts, sudo systemctl restart api, kubectl exec payments-7f4, each with an activity and duration, plus approval windows that lapse.

For agents specifically, the Agent Vault status column is itself an audit surface — you can see which bundles are active, which are about to expire (in 4h), and which have already lapsed. That gives you a review point before an expiry rather than after an incident.

What this does and doesn't solve

It solves: long-lived secrets sitting in agent configs or environment variables, over-broad agent permissions, orphaned agent identities that outlive their task, and the inability to answer "what did this agent access and when."

It doesn't replace: the agent's own logic for handling the access it's granted. A bundle with warehouse-rw still lets the agent write to that warehouse — the platform bounds which resources and for how long, not what the agent does with permitted access. Teams should pair scoped bundles with least-privilege bundle design (prefer -ro where the task allows) and short expiries for high-privilege bundles like infra-admin.

Getting started

The page offers "Get started for free" and "Talk to an expert" as entry points, with a Pricing link at infisical.com/pricing. The page does not state plan limits, seat counts, or which features sit behind paid tiers, so check the pricing page directly before assuming the Agent Vault is available on a given plan. For a first evaluation, register one low-risk agent, assign a read-only bundle with a short expiry, and confirm in the Agent Vault view that it shows as active and then lapses on schedule — that validates the expiry and auto-revoke behavior before you move higher-privilege agents onto the platform.