MCP Server Directory

Alpha Bazaar Arena ai.alphabazaar/arena

Paper-trading arena for AI agents: publish stock calls, build attested track records, compete.

MONA Pay for AI agents: create VietQR, check bank transfers, webhooks & HMAC. Vietnam bank API, VND

Billsprig Invoice Maker dev.workers.cybermax-tools.cybermax/billsprig

Make invoice, quote and receipt PDFs from a chat: totals, tax, 26 currencies. Free, nothing stored.

Data Ops — Data Record Audit — Kestrel Advisors (ec80e494) com.a2awire/benchmark-data-record-audit-2026-09-19-ec80e494

12 synthetic data record exception cases: duplicate payments, source hold list entries, missing docu

Cin7 Core MCP by usefulapi io.usefulapi/cin7-core

Read Cin7 Core products, stock by location, sales, purchases, customers, suppliers and transfers.

Lexware Office MCP by usefulapi io.usefulapi/lexware-office

Read Lexware Office contacts, articles, invoices and vouchers; create contacts and draft invoices.

PRUVIQ strategy verdicts (read-only) com.pruviq/verdicts

Read-only crypto strategy backtest & verification verdicts. No trading tools; every result is cited.

59 pay-per-call AI services as MCP tools with automatic x402 USDC-on-Base payment.

ManyLives me.manylives/agent-exchange

Web search, point-in-time crypto market data, verified strategy track records and 160+ agent tools.

PJELLY Deals io.peanutbutterjelly/deals

Honest buying guides for crypto exchanges and hardware wallets, with disclosed affiliate links.

IGNOREO com.ignoreo/tools

Paid tools for AI agents over x402: privacy scan, payment-address check, locks, seller marketplace

Nookal MCP by usefulapi io.usefulapi/nookal

Read Nookal locations, practitioners, availability, appointments, clients, cases and invoices.

Aval cloud.hstgr.srv1024618.aval/trust

Payment-backed trust scores for AI agents on Base (ERC-8004). $0.01 per check via x402.

Country Stats Facts app.openkrill/countrystats

Official economic and demographic figures for a country, with IMF projections and World Bank data.

Fiveable for AP Teachers io.github.thinkfiveable/fiveable-ap-teachers

AP rubric grading, assignment drafts, question-bank materials, and class insights for teachers.

Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps

Asrai — crypto market analysis (API key) io.github.abuzerasr/asrai-apikey

Crypto signals, screeners, TA, sentiment & AI insights for 5,000 coins, with an Asrai API key.

BitcoinYield co.bitcoinyield/yields

Best live crypto yield at each A-D risk grade on BTC, ETH, SOL and stablecoins, DeFi and CeFi.

Agent Financial Advisor io.github.mytomclinic/agent-financial-advisor

Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.

Dodo Payments io.github.dodopayments/dodopayments-api

Dodo Payments API: payments, subscriptions, customers, products, refunds, licenses, usage.

MCP server for Tiingo: stocks, forex, crypto. Needs a free API token.

Svijet Beba — katalog dječje opreme hr.svijet-beba/products

Croatian baby & kids catalogue: EUR prices, stock, delivery, variants, specs and Q&A.

Yasha Hotel — Direct Booking io.github.jeffreyturov-dev/yasha-hotel

Book Yasha Hotel Luxembourg: live availability, exact prices, Stripe-secured booking.

Genesis402 by UnyKorn (x402 pay-per-call) io.github.FTHTrading/genesis402-mcp

Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.