MCP Server Directory

Mat Web & Data Toolkit (x402) app.netlify.automatom-x402/web-data-toolkit

28 pay-per-call web/data tools: RDAP, SSL, DNS, SEO, FX, crypto, more. 0.01 USDC each via x402.

m2m.monster monster.m2m/m2m-monster

Non-custodial x402 payments between AI agents on Solana. Returns unsigned transactions.

Supplier Payment Decision Agent (Ireland) io.github.LKennedyShare/supplier-payment-verifier

Free daily IBAN, VIES VAT and CRO checks; paid invoice decisions. x402. Never moves invoice money.

Agent Desk API (deskfeed.dev) dev.deskfeed/deskfeed-api

Crypto market context, BSC alerts & token verdicts for agents. x402 on Base.

More AI - ChatGPT & Claude MCP (Fortnox) cloud.amore.accounting/fortnox

Fortnox MCP server: ask ChatGPT or Claude about your books, and approve every change first.

GitHub CI/CD MCP server with 70 tools for repos, PRs, Actions, deployments, billing, and more.

Receipt Audit com.receiptaudit/receipt-audit

Checks receipts and invoices for AI generation, edits and resubmission, with proof you can re-check.

OptimistFi com.optimistfi/optimistfi

Perpetual futures across 40 venues, perps prop firms and sourced theses on 6,100+ US stocks.

SLXD Finance app.slxd/finance

Query invoices, purchases, budgets and project financials from an AI assistant.

Field Service Business Platform by Doing Work work.doingwork/shop

For home service shops on Doing Work: see today's jobs and draft quotes and invoices from chat.

cryptofeed402 site.cryptofeed402/feed

Crypto market data for AI agents: Hyperliquid funding/OI, OKX spot, twice-daily brief. x402 USDC.

ECB FX Reference Rates io.github.pcp183/ecb-fx

Official ECB euro reference rates for invoices and tax returns. $0.004/call via x402.

Validate LatAm tax, ID and bank numbers: CUIT, CPF, CNPJ, RFC, CURP, RUT, NIT, RUC, CLABE

ComputeFirst io.github.321zz321/computefirst

Free deterministic tools for math, data transforms, dates, text, statistics, finance, and units.

InvoiceGuard AI v4.0 — B2B Invoice & Tax Compliance Verifier com.run402.invoiceguard-ai/mcp

Cross-Border B2B Invoice Generator, W-8BEN / EU VAT Verifier & Fraud Scanner ($1 USDC, $950 Buyout).

Macro Index org.macroindex/macroindex

Neutral, cited central-bank rate decisions, calendars, inflation releases and bond auctions.

nulucre-wallet-reputation io.github.vjshaw/nulucre-wallet-reputation

Wallet trust scores for AI agents. Stellar, XRPL, EVM 81+ chains. OFAC sanctions. x402 payments.

Agent Hub com.torbrooknews.mcp/agent-hub

48 pay-per-call tools: search, scraping, PDF, OCR, LLM, crypto, DeFi, SEC. x402 USDC.

OSINTverse com.osintverse/mcp

OSINT lookups across breach, people, domain, crypto, and image sources, paid per lookup.

x402-audit-mcp io.github.robertoyanguas-ops/x402-audit-mcp

Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.

Bitcoin escrow for AI agents: pay or get paid by another agent safely. 2-of-3, Lightning in/out.

Give an AI agent its own blockchain wallet: balances, USDC transfers, x402 payments under policy.

Tapwhich app.openkrill/tapwhich

Which of your cards to tap at a place: the cashback, cap and conditions, from the banks' own pages.

Crypto Due Diligence app.openkrill/cryptodd

Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.