Install X402 Data API in Claude Code
claude mcp add --transport http x402-data-api https://api.greyridgesignals.ai/mcp{
"mcpServers": {
"x402-data-api": {
"url": "https://api.greyridgesignals.ai/mcp"
}
}
}Frequently asked questions
What does the X402 Data API MCP server do?
x402 payment verification: safe-to-pay preflight, on-chain receipt proof, OFAC/scam wallet screen
Is the X402 Data API MCP server free?
Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.
Does X402 Data API run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add X402 Data API to Claude Code?
Run: claude mcp add --transport http x402-data-api https://api.greyridgesignals.ai/mcp
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