CampfireSMS

Text your agents. 

Connect the agent you already use.
Grok Bot, Codex, Grok Build, Claude Code, OpenCode, and other compatible MCP or HTTP API hosts.

Verify your phone
Create your CampfireSMS account and verify your number. You get 40 free messages to try it.

Connect your agent
Use hosted MCP and webhook wake for Grok Bot, or install the local connector for an agent on your computer.

Send a text. Get a reply.
Test both directions. Then tell your agent what work to handle and when to text you.