x402-sms
Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.
Communicationjavascript
How to use
x402-sms is an MCP server that lets your AI assistant send and read messages across your communication tools.
- Best for letting an assistant draft, post, and triage in Slack, Discord, or email.
- Works in any MCP-compatible client — Claude Desktop, Claude Code, Cursor, and others.
- Add it once to your client config; its tools then appear to the assistant automatically.
Install
Distributed as a npm package. Prerequisite: Node.js 18+ (ships with npx).
- 1Install the prerequisite above if you don't have it.
- 2Open your Claude Desktop config (create it if missing):
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
- macOS:
- 3Add this under
mcpServers(merge if the key already exists):{ "mcpServers": { "x402-sms": { "command": "npx", "args": ["-y", "x402-sms-mcp"] } } } - 4Save the file and fully quit, then reopen Claude Desktop.
- 5Click the tools (🔌) icon — x402-sms's tools should now be listed.
Capabilities
No capabilities documented for this server yet.
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