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AI-agent security

Let your AI agents act,and stay in control.

AI agents now send emails, move data and run code. We check every action of every agent. Nobody can secretly change the rules or delete the record.

  • Six gates per call
  • Tamper-proof receipts
  • 30 to 60 percent fewer tokens
Book a callHow it works

pavii · decision feed6 gates

  • crm.lookup(4821)allowed
  • email customer listblocked
  • summarise Q3 reportallowed
  • print API keysblocked
  • payments.create($250)allowed

receipts anchored on Hyper 0X

(01) What we deliver

Everything you need,built and run with you.

6 gates

on every agent call

Agent risk review

We list your agents, their tools and their access. Then we find where each agent can do harm.

  • Six gates per call
  • Tamper-proof receipts
  • 30 to 60 percent fewer tokens

Pavii on every call

Every prompt and tool call goes through six gates: injection, privacy, supply chain, budget, egress and output.

Rules on chain

An egress contract on Hyper 0X decides what each agent can send and do.

Kill switch

A rule-breaking agent moves from observed, to restricted, to stopped. A person can stop any agent.

Tamper-proof receipts

Each receipt links to the receipt before it, so a deleted entry shows as a gap.

Lower token spend

Compact context sends a model only what it needs. On one measured Claude Code task, it cut tokens by 30 to 60 percent.

(02) How it works

Watch each partdo its job.

Each figure moves. Select a step under a figure to go to that stage. The labels explain each part.

Figure 1 of 3

Six gates on every call

Safe calls pass every gate. A malicious call stops at the gate that catches it. Each decision leaves a receipt on Hyper 0X.

Figure 2 of 3

Agent data stays encrypted

The data that your agents work with stays encrypted in transit, in use, on the ledger and at rest.

Figure 3 of 3

Four layers of encryption

Each ring of the tower is one layer of encryption. The owner key stays in a hardware security module (HSM).

(03) Step by step

Follow one callthrough every layer.

Watch a call pass through each layer, and see where a bad one stops and why.

Pavii · every agent call
  1. 01One gateway, every agentEvery prompt and tool call from every agent comes in through one entry point, so each call has a known sender.ClaudeCodexChatGPTGrokCustom
  2. 02Injection gateText from web pages, files, emails and tool results is data. Pavii never runs it as an instruction.Hidden promptsJailbreaks
  3. 03Privacy gatePavii removes personal data, keys and secrets before a model sees them.PIIAPI keysTokens
  4. 04Supply-chain gateNew packages, plug-ins and MCP servers must be on the allow-list, match a pinned hash or pass a sandbox test.MCPPackagesModels
  5. 05Budget gateEach agent has limits on tokens, spend and call rate. Compact context cuts the tokens that each call needs.TokensSpendLoops
  6. 06Egress contractA smart contract on Hyper 0X decides what an agent can send and do. Nobody can secretly change it.On chainApprovals
  7. 07Output gatePavii removes scripts, secrets and system-prompt text from what the agent returns.ScriptsSecretsSystem prompt
  8. 08Kill switchAn agent that breaks rules moves from observed, to restricted, to stopped. A person can stop any agent.ObservedRestrictedStopped
  9. Signed receipt on Hyper 0XPavii links each decision, allowed or blocked, to the decision before it. A deleted entry shows as a gap.

(04) How we work

Small first,then production.

  1. Step 1

    Discovery call

    Thirty minutes with an engineer. We study your use case and agree on what success means.

  2. Step 2

    Pilot on your own L2

    We put Pavii between the agents of one team and their systems. Then we watch every call.

  3. Step 3

    Security review

    We adjust the gates, the egress rules and the kill-switch steps with your security team.

  4. Step 4

    Production

    We go live together. Then we monitor, support and help with the next use case.

AI-agent security questions

Which AI agents can you protect?

Claude, Claude Code, Codex, ChatGPT, Grok, OpenCode and your own agents, through one gateway.

Why use a blockchain for agent security?

Nobody can secretly change the rules in a smart contract. Chained receipts on Hyper 0X show any deleted entry as a gap. Auditors can check both.

Does it slow our agents down or cost more?

Compact context makes calls smaller. On one measured Claude Code task, agents used 30 to 60 percent fewer tokens.

Start witha pilot.

Talk to one of our engineers for 30 minutes. You get a plan for a pilot on your own L2.

Book a call