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.
Free with no card or account required. Paid plans: Standard $20/month, Pro $100/month, Plus Ultra $999/month. All paid plans cover up to 8 members. Pay-as-you-go top-ups also available.
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
Free to use with no card and no account
Pays users for contributing computation from their devices
Runs on iPhone, iPad, Mac, Android, and Windows
Water savings estimate included with each answer
Progressive chip system upgrades unlock higher intelligence levels
Research and Private conversation modes
Hands-free conversation on iPhone
Multiple thinking levels: Fast, Plus, Ultra, and Plus Ultra
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
Frontier AI powered by consumer hardware instead of data centers
Users earn rewards for contributing their device's computation
Environmental impact tracking with water savings estimates
Transparent chip system progression as users save water