Financial guardrails for Nous Hermes agents

Hermes agents can move money autonomously. Conto intercepts every outgoing payment and enforces per-transaction limits, rolling budgets, category restrictions, approval workflows, and 40+ other policy rules before a single token leaves the wallet.

Install

hermes skills install well-known:https://conto.finance/.well-known/skills/conto
Then set CONTO_SDK_KEY in ~/.hermes/.env. Setup guide

Hermes agent procurement with guardrails

A realistic scenario: your Hermes agent procures cloud resources while Conto enforces spending controls.

1

Agent receives task

Hermes agent is asked to provision a new GPU cluster on a cloud provider.

Agent identifies the vendor and calculates the cost: $2,400/month.

2

Payment request intercepted

Conto skill intercepts the payment before execution and checks all active policies.

Amount exceeds the $500 auto-approval threshold for this agent.

3

Escalation to dashboard

The payment is held pending human review. The ops team receives a notification.

Reviewer approves the payment. Funds transfer onchain. Full audit entry created.

What Conto adds to your Hermes agents

Hermes handles reasoning and task execution. Conto handles financial controls.

Rolling budgets

Per-transaction caps, daily and monthly rolling limits. Scoped by agent, project, or department.

Counterparty trust

Allowlist trusted vendors, block suspicious addresses, auto-escalate unknown recipients.

Category controls

Restrict spending to approved categories like cloud services. Block everything else.

Velocity detection

Flag unusual spending patterns. Alert on rapid transaction sequences or sudden spikes.

Approval workflows

Multi-level approval chains. Configure thresholds, escalation paths, and timeout behavior.

Audit logging

Every payment decision logged with full context. Agent, counterparty, policy result, and transaction hash.

Conto for Nous Hermes

Configure policies conversationally

With an admin SDK key, your Hermes agent can create and manage policies through natural language.

/conto limit each transaction to 200 pathUSD
/conto only allow API_PROVIDER and CLOUD categories
/conto block payments to 0x1a2b...3c4d
/conto require approval for anything over 500 pathUSD
/conto list my current policies

Unified agent monitoring

Track every payment, review denied transactions, monitor spend trends, and manage alerts across all your Hermes agents from one dashboard.

Conto dashboard showing agent spend tracking and transaction monitoring

Documentation and references

Supported chains:Base USDCTempo pathUSDSolana USDC / SOL

Add financial guardrails to your Hermes agents

Free to start. Test on Tempo Testnet. No credit card required.