MCP server

X402 Sms

io.github.UltraStarz/x402-sms

Checked 26 Oct 2026, 08:31 UTC · Deprecated by its author (its registry); checked against OSV.dev; never run by us

Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.

Runs on your computerDeprecated by its author: Deprecated. Tollkit SMS is a remote MCP server now - add https://mcp.tollkit.dev/mcp as a connector. No install, no private key in your config.

Source

At a glance

Type: MCP server
Publisher: Not verified
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 26 Oct 2026, 08:31 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add x402-sms --env BUYER_PRIVATE_KEY=YOUR_VALUE -- npx -y x402-sms-mcp@0.1.0

Claude Desktop

{"mcpServers":{"x402-sms":{"command":"npx","args":["-y","x402-sms-mcp@0.1.0"],"env":{"BUYER_PRIVATE_KEY":"YOUR_VALUE"}}}}

Codex (config.toml)

[mcp_servers.x402-sms]
command = "npx"
args = ["-y","x402-sms-mcp@0.1.0"]
env = { BUYER_PRIVATE_KEY = "YOUR_VALUE" }

Gemini CLI

{"mcpServers":{"x402-sms":{"command":"npx","args":["-y","x402-sms-mcp@0.1.0"],"env":{"BUYER_PRIVATE_KEY":"YOUR_VALUE"}}}}

Cursor

{"mcpServers":{"x402-sms":{"command":"npx","args":["-y","x402-sms-mcp@0.1.0"],"env":{"BUYER_PRIVATE_KEY":"YOUR_VALUE"}}}}

VS Code

{"servers":{"x402-sms":{"type":"stdio","command":"npx","args":["-y","x402-sms-mcp@0.1.0"],"env":{"BUYER_PRIVATE_KEY":"YOUR_VALUE"}}}}

Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own BUYER_PRIVATE_KEY.

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