Coal — Payments for AI agents
Quality Score
95
/100
Payment rails for AI agents. Pay merchants in USDC on Base. Dual-protocol: x402 + OKX APP.
§01 Install
Remote endpoint
Streamable HTTP / SSE endpoint. Add to any MCP client that supports remote servers.
https://mcp.usecoal.xyz/api/mcp§03 MCP Quality Score · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
10
§04 Alternatives in Finance & Payments
ai.baselight/baselight
ai.baselight/baselight
Query Baselight's public catalog of 70,000+ datasets — finance, demographics, sports, and more.
DeepLedger — AI Bookkeeper for QuickBooks
ai.deepledger/mcp
AI bookkeeping for QuickBooks Online — 28 tools for transactions, reports, and bank feeds
Lattiq x402 Trading Signals
ai.lattiq/x402-trading-signals
Regime-aware ES1/NQ futures trading signals. HMM + 15 quant strategies. x402 USDC micropayments.