Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.
Use this profile to copy client config, check auth requirements, review tools and resources, and compare related MCP servers before adding it to an AI client.
Get practical integration notes and launch examples for MCP servers like Coal — Payments for AI agents.
https://mcp.usecoal.xyz/api/mcpHeaders: X-Coal-Agent-Key, X-Coal-Api-Key
Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-emmanuel39hanks-coal": {
"url": "https://mcp.usecoal.xyz/api/mcp"
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Paste an API key, bearer token, or session value from the provider. It is used once to list inventory and discarded after the request.
Wallet private key (0x... 64-char hex). Signs payments via EIP-3009 on Base. Optional — read-only tools work without it.
Coal API key for create_checkout + query_merchant_memory. Get one at https://usecoal.xyz/console/keys. Optional.
Coal — Payments for AI agents is an MCP server for Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.. It supports HTTP transport.
Use the generated config in Install. It points your client at the advertised remote endpoint shown on this page.
Choose the Claude Desktop tab in Install, copy the config, and add it to Claude Desktop's MCP server settings. Endpoint: https://mcp.usecoal.xyz/api/mcp.
Choose the Claude Code tab in Install, copy the config, and add it to Claude Code's MCP server settings. Endpoint: https://mcp.usecoal.xyz/api/mcp.
Choose the Codex tab in Install, copy the config, and add it to Codex's MCP server settings. Endpoint: https://mcp.usecoal.xyz/api/mcp.
Choose the Cursor or VS Code tab in Install, copy the config, and add it to Cursor or VS Code's MCP server settings. Endpoint: https://mcp.usecoal.xyz/api/mcp.
Coal — Payments for AI agents uses HTTP transport. Endpoint: https://mcp.usecoal.xyz/api/mcp.
Coal — Payments for AI agents inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Coal — Payments for AI agents does not advertise a verified auth requirement. If discovery fails, it may still need provider login, an API key, a bearer token, or a session header.