Free start: 40 messages after phone verification, no card required. Monthly plan: $8 USD per month for 500 messages. One-time packs: $5 for 200 messages, $10 for 500 messages, $20 for 1,300 messages, $40 for 2,800 messages. Credits never expire.
Free: 0 € per month with 10,000 successful tool calls each month. Premium: unlimited tool calls subject to fair-use rules, manage or cancel monthly through your account.
Key features
Two-way SMS messaging with AI agents
Grok Bot webhook wake from incoming SMS
Support for Grok Bot, Codex, Claude Code, and compatible MCP hosts
Local agent connector
Hosted MCP support
No phone app required
Agent updates and notifications by SMS
Message credits that never expire
Connect ChatGPT and Claude through Model Context Protocol
Manage files with AI assistants
Run authorized terminal commands
Device-specific access control
Local approval for sensitive actions
OAuth and secure pairing
Support for macOS, Windows and Linux
Launch and monitor applications
Revokable device access
Encrypted HTTPS connection
What makes it different
Text your existing agent without changing workflows or tools
Grok Bot can wake from incoming SMS while your PC is off
No subscription required for one-time message packs
Agent keeps existing permissions and tools
Keep your computer powered on and in control while AI assistants execute approved actions
No port forwarding or hidden background service required
Visible terminal agent with explicit local approval for sensitive operations
Stop the connection at any time by closing the agent
Device pairing tied to your account with transparent management
Campfire SMS
EXZA Remote