Agent harness infrastructure that gives AI agents memory for each user, connected accounts, action limits and an audit record.
Give your AI agent a real phone with a physical SIM card and dedicated number
Stage
Not given
Startup
Founded
Not given
2026
Based in
CA
FR
Pricing model
Freemium
Free trial
Pricing
Free: first 500 monthly-active end users per month, free forever. Paid: $0.30 per monthly-active end user above 500, billed monthly.
Agent plan: 19 € per month per phone after 3-day free trial. Each additional phone: 19 € per month. Fleet plan available with custom pricing for multiple devices and higher volumes. Launch price: 28 € (reduced to 19 €).
Key features
Timestamped memory ingestion with backdating capability
Per-user data isolation and privacy scoping
Ranked memory recall with dated evidence
Connected accounts integration per user
Long-running agent jobs with folder-level operations
Configurable token ceiling per API call
Enforced action limits on agent operations
Complete action audit trail with hash chaining
MCP server integration for Claude and other clients
Physical phone with real SIM card and dedicated number
Send and receive SMS messages
Read verification codes from screen
Operate mobile apps with taps, swipes and typing
Take screenshots of device screen
MCP server integration
REST API access
Always-on connectivity with 5G network
Add multiple phones to one account
What makes it different
Highest published BEAM benchmark score at 128K tokens: 85.1, compared to competing memory systems
98% fewer tokens required than raw tool output, making responses 4× cheaper
Works with 20+ agent frameworks including LangChain, LangGraph and LlamaIndex
First 500 monthly-active end users free forever
Per-person billing model scales with user growth, not API calls
Uses real physical phones with real SIM cards, not virtual numbers, so it works with services that reject virtual numbers
Completely hands-free automation of mobile apps with no web version
Full feature access during free trial with no payment required if cancelled before day 4
Harny
Device Agent