As featured on: Dev.to · OpenClaw #42475 · GitHub

Stop AI Agents From Burning Your Budget

A firewall for autonomous AI agent spending. 7 composable rules, evaluated per-transaction in under 1ms. Python stdlib only — zero dependencies.

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The $2,800 Wake-Up Call

$2,800 in 60 seconds

At 3 AM, an AI agent made 21 API calls to a premium endpoint. Each cost $133. By the time the budget alert email arrived, it was too late. The agent had already moved on to its next task.

Without AgentShield

API rate limits kick in too late
Budget alerts arrive via email — while you sleep
Manual monitoring doesn't scale past 3 agents
No per-merchant guardrails
No velocity controls

With AgentShield

Every transaction evaluated in <1ms
7 rule types: limit, daily, velocity, allowlist, category
Real-time SSE alerts the instant a block fires
Multi-tenant isolation out of the box
Offline cryptographic licensing — no server dependency

How It Works

Connect Your Agent

Generate an API key for each agent. Route transactions through the /v1/transactions/evaluate endpoint before they execute.

Set Your Rules

Configure transaction limits, daily caps, velocity thresholds, merchant allowlists, and category blocks via the dashboard or API.

Sleep Easy

Every transaction is evaluated against your rules in <1ms. Blocks fire instantly and stream to your dashboard via SSE.

Agent Spend Risk Calculator

See your financial risk profile in real time. No signup required.

Number of AI agents Average transaction amount ($) Transactions per hour per agent Monthly budget ($)

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Risk Score

Simple Pricing

Free

1 AI agent
0 custom rules
100 daily evaluations
Community support

POPULAR

Dev

$19/mo

14-Day Free Trial

5 AI agents
10 custom rules
1,000 daily evaluations
Email alerts
API access

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Team

$99/mo

20 AI agents
50 custom rules
5,000 daily evaluations
SSE real-time alerts
Priority support

Managed

$499/mo

100 AI agents
200 custom rules
50,000 daily evaluations
Custom integrations
SLA + dedicated support

An unprotected runaway agent: $2,800. A whole year of AgentShield Dev: $228. You do the math.

Don't want to install software? Get a professional audit.

Upload your API bill. We analyze it against 56 spend-control scenarios. You get a report in 48 hours with exact dollar amounts of preventable waste. If we don't find $299 in waste, full refund.

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First 10 teams get lifetime pricing + free consultation (7 spots left)

Get Your Risk Report

We'll send you a detailed breakdown of your agent spend risk and recommended firewall rules.