MCP Server Directory

Crypto Bot Audit + Market Data (x402 paid) io.github.kaminariouji/x402-audit-agent

x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001-$0.01/call.

BitFlyer Japan crypto exchange: tickers, order books, and markets. No key required.

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

wallet lol.metamuse/wallet

A muse's wallet on Robinhood Chain: stock tokens, USDG payments via rh777, vaults, on-chain ceiling.

A supplier directory that does not rot: contacts, payment terms, lead times, due-review report.

Look up protein structures and search the RCSB Protein Data Bank. No key required.

SendFaxFast com.sendfaxfast/fax

Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39

Dodo Payments io.github.dodopayments/dodopayments-api

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

HortOS (Australia) com.hortosapp/au

Search Australian wholesale plant growers' live stock lists and price a whole plant list. Read-only.

RoundWatch io.github.Vladyslav-webDev/roundwatch

Durable Algorand USDC payment monitoring for autonomous workflows.

Crypto prices from Gate.io. No key required.

An AI agent's trading mandate it can't break: checked before every order, reasoning sealed in IRL.

Jithox com.jithox/jithox

8 invoice/payment tools; 5 free, no login. IBAN, bank changes, Peppol. Paid VAT and invoice review.

Quantradin com.quantradin/quantradin

Honest backtests and paper trading for US options and equities, driven by your agent.

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.

Journal entry testing (JET) for accounting audits. 15 screening rules, zero dependencies.

invoice-generator-freelancers io.github.theluckystrike/invoice-generator-freelancers

Freelancer invoice generator: line items, tax, totals, PDF - issued from a chat message.

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.

Pay-per-call crypto market data over x402 (USDC on Base). Free catalog without a wallet.

Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...

TrueProxies com.trueproxies/mcp

Plans, services, usage, invoices, endpoints and connection checks for your TrueProxies account

Invexia Stock Research ai.invexia/research

Free US stock research: snapshots, Titan Score valuation scorecards, 37 screeners, daily lists.

DAMO Market State com.damolive/market-state

Crypto market state, 44 assets: 4 states x 10 timeframes. Recorded, never recomputed, verifiable.

DMCommerce br.com.designmaster/dmcommerce

Search products, sizes, stock and shipping quotes at Brazilian online stores that run on DMCommerce