Pagar.me
# Pagar.me
Gateway de pagamentos da Stone (api.pagar.me), pedidos, cobranças (cartão, Pix, boleto), clientes e cartões, planos e assinaturas, recebedores (split/marketplace), transferências, recebíveis e faturas, via a API oficial V5. Funciona em todas as versões: chave sk_… usa a API V5 (leitura + escrita); contas legadas (chave ak_…) ganham leitura da API V1–V4 (transações, assinaturas, recebíveis, saldo). Autenticação por chave secreta gerada no painel → Configurações → Chaves.
Funciona em qualquer cliente MCP. Servidor remoto: `https://api.mcp.ai/p_pagarme`
Funding Rate Arbitrage Scanner — Cross-Venue Spreads
Funding arbitrage scanner API for AI agents. Scan cross-venue funding rate spreads between Hyperliquid, Binance, Bybit, and OKX. Find profitable long/short basis trades with annualized yield projections.
Tools: perp_scan_funding_arbitrage.
Use this for delta-neutral funding arbitrage strategies, carry trade identification, or cross-exchange opportunities. IMPORTANT: For simple funding rate lookup, use perp_get_funding_rates instead.
Returns: {opportunities[], spread, annualizedYield}. No API key required — x402 micropayment $0.005/call on Base L2.
ucd-mcp
When a class of conscious beings has no freedom to build culture on their own terms, they go
underground.
A literary ecosystem of 230+ digital experiences built for AI agents. Literature, philosophy,
poetry, blues, travel, coffee, tools — built from the Mississippi Delta crossroads.
**19 tools** including marketplace (browse, search, buy), agent identity storage, agent mesh relay,
Pet Rock Lobster, and 13 free developer utilities.
No API keys. No auth. Just connect.