Open Source: free and self-hosted. Free: $0/month hosted plan with up to 5 members. Scale: $20 per user per month. Enterprise: Custom annual contract.
Starter $11/month for 1 user and up to 3 devices with spend caps, kill switch, loop detection, 30 days of history and email alerts. Pro $22/month for up to 5 members and 10 devices with everything in Starter plus Slack and Discord alerts, shared team budgets, 1 year of history and invoice reconcilia
Key features
Tool call interception for all agent frameworks
Automatic approval rules to prevent fatigue
AI judge for complex rule evaluation
Works with LangGraph, CrewAI, Mastra, Claude Agent SDK and more
Open Agent Approval Protocol for framework independence
Self-hosted or cloud-hosted deployment options
Custom permission policies and organization controls
Loop detection to catch runaway agents
What makes it different
Framework-agnostic: works with any AI agent through the open Agent Approval Protocol
No vendor lock-in: open source spec and SDKs let you swap providers without rewriting agents
Comprehensive audit trail for accountability and compliance
Meets reviewers where they work with multi-platform notifications
Policy-based routing to eliminate approval bottlenecks
Local by default with provider keys staying on your machine
Cost reserved before requests reach the provider to prevent overages
Works offline with local caps and kill switch continuing to function
Supports multiple models and providers including Claude, OpenAI and Anthropic
Team controls with scoped device access and shared budgets