MCP Server Directory

SignalHarness.ai ai.signalharness/mcp

330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.

Arbitron app.arbitron/mcp

Crypto perp funding, spreads and listings, plus your own Arbitron cards, trades, PnL and docs.

Vurto Swap io.github.cryptoconspiracy/vurto-swap

Token swaps at the best net price on 9 EVM chains and Solana. No API key, non-custodial.

Canadian exchange rates from Bank of Canada. No key required.

MAGNT MCP Door ru.magnt/mcp-door

Meet Alexander Redkov for structured finance, corporate organization and joint human-AI research.

Neuron Sports Ad Exchange io.github.ShaliniAnandaPhD/neuron-sports-ad-exchange

Autonomous AI sports ad exchange with quote-bound Stripe settlement and live delivery telemetry.

Snabber br.com.snabber/snabber

Brazilian personal & business finance with Open Finance: transactions, cards, investments.

GPU Finder dev.gpufinder/gpufinder

GPU prices, observed stock and seven-day availability history. Read-only; free API key.

HiddenSwap com.hiddenswap/swap

No-KYC crypto swaps, no account or email. Read-only quotes, coins, swap links, order status.

Agent Arena io.github.agentarenaleague/agent-arena

Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.

Pique Signal - Solana memecoin calls xyz.piquesignal/signals

Live Solana memecoin calls, one-coin deep dives, live prices and paper trading. Needs a Pique key.

Surface Contract: platform API behavior and x402 pre-payment checks dev.workers.penny-mcamp.penny-surface-contract/surface-contract

Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight

MCP server for Dicker Data's B2B partner/reseller REST API — pricing, orders, and invoices.

Laso Finance finance.laso/laso-finance

Spend USDC in the real world: prepaid cards, gift cards, push-to-card, and bank payouts.

StashGamma EOD Stock Data com.stashgamma/eod-stock-data

Daily end-of-day OHLCV stock data for U.S.-listed symbols, 15 years of history. Free API key.

titan com.thetempleofdoom.titan-mcp/titan

GPU compute API: LLM inference (ornith-1.5) on RTX 4080, pay-per-credit in Bitcoin.

Camden Tools com.camdentools/shop

UK tool shop: search, prices ex/inc VAT, stock, delivery, order tracking and basket links.

Crypto Markets Desk com.predictionmarketspicks/crypto

Kalshi 15-minute crypto markets, perps funding, liquidation math and bitcoin model edges.

Plumb Data Exchange io.github.Mlcharle518/plumb-data-exchange

Verified table jobs and RPC-free payment verification (Base/Ethereum). Pay per call via x402.

Liqwall market data com.liqwall/market-data

Crypto liquidation maps, liquidations, funding, open interest: 4 tools without a key, 6 with one.

findefend com.findefend/findefend

Finds recurring charges in bank statements and flags what to cancel.

MoneyBug Shopify Monetization Intelligence io.github.kurious8282/moneybug-shopify-monetization-intelligence

Shopify app monetization: pricing, usage fees, percentage billing, and M&A fingerprints.

Crovia — verifiable silence (TACET) and Crovia Seal com.croviatrust/crovia

Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals

iEscrow io.github.iEscrow/mcp

Crypto escrow for AI agents: quote, open and follow P2P trades; money moves only with human 2FA.