MCP server for the Spraay x402 Gateway — 148 pay-per-call tools for AI inference, batch payments, DeFi, research & compute on Base, with Solana, Ethereum, XRP & Stellar rails. USDC via x402, no API keys.
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🔍 Audit Wallet Slippage →
Quick Install
Copy the config for your editor. Some servers may need additional setup — check the README.
Claude Desktop
Claude Code
Cursor
Add to claude_desktop_config.json:
{
"mcpServers": {
"spraay-x402-mcp": {
"command": "npx",
"args": [
"-y",
"plagtech/spraay-x402-mcp"
]
}
}
}
📋 Copy
Run in terminal:
claude mcp add spraay-x402-mcp npx -y plagtech/spraay-x402-mcp
📋 Copy
Add to .cursor/mcp.json:
{
"mcpServers": {
"spraay-x402-mcp": {
"command": "npx",
"args": [
"-y",
"plagtech/spraay-x402-mcp"
]
}
}
}
📋 Copy
README Excerpt
<!-- ============================================================================ COUNTS — confirmed against the live gateway manifest on 2026-06-30. Source of truth: https://gateway.spraay.app/.well-known/x402.json Gateway: 174 endpoints (143 paid + 31 free), 27 categories MCP server: 169 tools (gateway minus the 5 agent-wallet endpoints)
Tools (2)
EVM_PRIVATE_KEY SPRAAY_GATEWAY_URL
Topics
ai-agents base crypto defi mcp mcp-server payments usdc x402