Install Coal in Claude Code
claude mcp add --transport http coal https://mcp.usecoal.xyz/api/mcp{
"mcpServers": {
"coal": {
"url": "https://mcp.usecoal.xyz/api/mcp"
}
}
}Frequently asked questions
What does the Coal MCP server do?
Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.
Is the Coal MCP server free?
Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.
Does Coal run locally or remotely?
Remote. Hosted by the provider. You connect with a URL, nothing to install.
How do I add Coal to Claude Code?
Run: claude mcp add --transport http coal https://mcp.usecoal.xyz/api/mcp
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