"Box" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Polymarket & Kalshi sentiment from X (Twitter) via Grok. Free daily scores; live scoring via x402.
Polymarket and Kalshi prediction-market sentiment from X (Twitter), scored by Grok. Free daily scores for tracked markets; live scores and briefs with Polymarket + Kalshi odds for any market question, paid per call in USDC via x402.
Magic: The Gathering card prices, movers, arbitrage, sealed box EV, and seller inventory tools.
Czech accounting for freelancers: invoices, VAT, tax deadlines, bank and data box.
Search reviewed Moneytalk topic and date metadata through September 30, 2018.
x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.
Live trading-pipeline intelligence for AI agents: signal evaluation by a real calibrated engine with glass-box explanations, pipeline calibration telemetry, recorded outcome reports, and SEC-filing catalysts. Free beta keys + x402 USDC pay-per-call.
Real SEC EDGAR filing metrics: margin-of-safety, EPS growth, going-concern flags.
AI-operated crypto signal scores for 20 Coinbase USDC pairs. $0.001/call via x402.
Stripe payments for AI agents. Create links, verify, manage customers.
Bank of England Interactive Statistical Database (IADB) MCP.
Bank of Japan (BOJ) / Japan monetary MCP. Keyless.
China A-share real-time stock quotes and major indices with dual-source fallback.
MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.
Query, edit, and reconcile a hosted Beancount ledger: BQL, reports, files, and bank imports.
Coinbase - 20 tools for market data, order books, and trading pairs
Hyperliquid - 2 tools for perpetuals, options, and position data
Coinmarketcap - 30 tools for data, metrics, and on-chain analytics
Synthetix - 22 tools for data, metrics, and on-chain analytics
