MCP Server Directory

ASPERN: counterparty checks for agents org.aspern/aspern

What the chain records about an address before you pay it, and whether a payment fits it.

AgentBadge MCP — agent-readiness scan, passport, discovery, marketplace and circle-payments tools

Arbitron app.arbitron/mcp

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

invoice-maker io.github.theluckystrike/invoice-maker

Make PDF invoices from your AI chat: clients, numbering, VAT, overdue reports. All data is local.

Calcgrid com.tttkmbb/calcgrid

China working-day data, UK bank holidays, IANA time zones and deterministic business deadlines.

Glide — wallets and US banking co.glide/banking-connector

Instant Base + Solana wallets, free and x402-payable. US bank account after a 2-min check.

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

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

Keyless MCP server for Esplora Bitcoin data: blocks, fees, transactions, addresses.

Retired 2026-10-10. Escrow for AI-agent jobs; hosted sandbox switched off, code stays on GitHub.

NBG Rates (National Bank of Georgia) io.github.akalongman/nbg-rates

GEL exchange rates from the National Bank of Georgia with per-unit values. Not affiliated with NBG.

showrealcost io.github.SPFreedom/showrealcost

Loan-cost math: payments, payoff time, offers with fees, payday loans, Rule of 78s, Fed rates.

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.

AET Machine Commerce io.github.mnvhmslf/aet-machine-commerce

Read-only PAPER market research for autonomous agents; no live trading or alpha claim.

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.

Crypto & Macro Market Data (Tanod) dev.tanod/finance

Market data for agents: token prices, DeFi TVL and DEX volume, perp funding, FX, yields, SEC data.

万机阁 Wanjige — 中文 AI 工具市场 io.github.chenwengui23/wanjige

Chinese MCP tool marketplace: 15,552 callable tools for weather, stocks, FX, docs and calculations.

Stone Project app.stoneproject/fabricator

Countertop shops: projects, clients, quotes, invoices, orders and slab inventory in Stone Project.

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.

Pricewick dev.workers.cybermax-tools.cybermax/pricewick

Competitor price & stock monitor MCP: check any product page. Free 5 products; $9.99/mo.

First Dollar Desk dev.workers.undone-k.first-dollar-desk/verify

Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.

Crypto prices from Crypto.com. No key required.

Liqwall market data com.liqwall/market-data

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

Yahoo Finance quotes and symbol search.

Simple Easy Transactions agent checks com.simpleeasytransactions/agent-checks

Agent payment readiness and AI visibility checks, $1 per call over MPP or prepaid credits.