AFFIXIO
JIT permissioning
JIT eligibility and stateless permissioning for agents
Long-lived agent credentials drift. Just-in-time eligibility issues short-lived, policy-bound proofs that verifiers can check without a shared session store. AffixIO returns signed allow or deny with spent-proof anti-replay for agent workloads.
Definition
JIT agent eligibility issues short-lived, policy-bound proofs at the moment of need, verified as signed allow or deny without depending on a shared long-lived session.
Field note. Cached agent permissions survive compromised runtimes. Issue fresh proofs per tool call or payment attempt.
Stateless permissioning for agent hops
Issue a proof for the next action only. Verify at the receiving boundary. Mark spent when the action completes. No shared session table is required for the authorisation decision itself.
This pattern fits double-agent and supervisor-worker designs where each hop must prove eligibility under a tighter policy than the parent.
Operational controls
Set short TTLs. Bind proofs to action class and resource identifiers. On deny, escalate to a human or supervisor agent with the proof metadata attached.
See agent authorisation pages for boundary placement guidance.
Production wiring for JIT agent permissioning
For JIT agent permissioning, provision sandbox circuits that mirror production predicates before you expose live agent traffic. Capture sample allow and deny payloads for regression tests.
Keep identity and rich attributes with the issuer. Verifiers receive outcomes and Merkle metadata only. Sync audit refs to your SIEM or order store after the gate returns.
Boundary failure
Standing credentials become standing risk
Agents that hold broad, long-lived tokens accumulate privilege. Dual-agent and multi-hop workflows make that worse unless each step gets a fresh, bounded proof.
Credential sprawl
Service accounts and API keys linger after tasks end.
Multi-hop ambiguity
When agent A delegates to agent B, permission scope is often informal.
Replay across hops
Captured tokens can be reused unless presentations are marked spent.
Session-store coupling
Central session databases become availability and privacy bottlenecks.
Boundary pattern
Just-in-time agent permissions without session hoarding
Double-agent scenarios need permissions issued at decision time, not cached credentials the runtime can replay. AffixIO grants JIT eligibility proofs with tight expiry and spent-proof on first use.
Define hop policies
Parent and child agents get distinct scopes.
Issue JIT proofs
Mint at task start or per tool call.
Verify at each hop
Receiving systems gate on allow or deny.
Spend on use
Prevent replay across hops.
Boundary review
Readiness checks for JIT agent permissioning
- Inventory long-lived agent secrets for removal.
- Define per-hop scopes.
- Enable spent-proof on consequential presentations.
- Keep verifier free of standing identity tables.
- Test deny escalation paths.
Age-assurance FAQ
Questions on JIT agent permissioning
What stops replay?
Spent-proof and nonce binding at present and verify.
Is a session store forbidden?
No. You may keep product sessions. Authorisation proofs should not depend on them.
How short should TTL be?
Match task duration. Prefer minutes over days for high-risk actions.
Does this work offline?
Edge and QR patterns support disconnected verify where designed for it.
Sector context
Pages that support JIT agent permissioning
AI agents
More AI agent briefs
Exercise JIT agent permissioning
Issue and verify JIT proofs in sandbox, then wire the same pattern to your agent orchestration layer.