3517 Model Context Protocol servers — searchable, rated, ready to install.
Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server
Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.
LightBill ISP billing MCP server: 134 tools (customers, routers, OLT, invoices, payment).
Read-only finance and operations controls for AI agents with evidence and safe next actions.
Verified ROKI Connect payments contract for coding agents: operations, schemas, validator.
QuickBooks Online MCP server for invoices, customers, and payments. OAuth 2.1 + PKCE, stdio/HTTP.
wFirma.pl (Polish accounting) via MCP: invoices, contractors, payments, reports. Full read-write.
Free crypto futures data: open interest, funding, long/short, liquidations, volume. No API key.
Track crypto token and narrative attention across platforms. Free key at trendsapi.ai
OpenAI organization usage and cost reporting through an admin API key connected by the user.
Kronos market intelligence with calibrated ranges, audits, and x402 payments on Base.
Real-time Bitcoin regime-switch signals from three independent sensors. Free tier available.
Real-time curated crypto news for AI agents with sentiment, recaps, and search.
Greek public procurement: tenders, awards, contracts, payments, suppliers, expiring contracts.
x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.
Live spot crypto ETF flows for 16 assets and their funds, CEFI index and prices.
x402 MCP get-paid path: USDC, spend caps, AUP, $49 kit. CAPTCHA/web-unlock for payment-ready agents.
Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.
x402 pay-per-call crypto sentiment, divergence & analyst reads. USDC on Base. NFA.
One Data Plane for crypto research, with 42 live tools for markets, entities, news, and signals.
Certainty for AI Agents. Deterministic MCP tools for dates, crypto, finance. 84 tools.
Local agent spend-policy checks. No funds, keys, payment authority, or network access.
Backtest plain-English trading strategies on real market data: graded results, honesty flags.
Private USDC/USDT payments on Solana: hidden amounts, unlinkable, optional auditor.
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