MCP Server Directory

Winback: pay-on-success win-back com.winbackhq/winback

Pay-on-success win-back for RevenueCat and Stripe apps. Read-only pricing, fit and estimates.

m2m.monster monster.m2m/m2m-monster

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

Trading card prices, sold comps, history and movers from the Flipzi Data API. Bring your own key.

OptimistFi com.optimistfi/optimistfi

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

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.

Sanctions, crypto wallet, email and IP screening for agents. Pay per check in USDC via x402.

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

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

Receipt Audit com.receiptaudit/receipt-audit

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

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.

Macro Index org.macroindex/macroindex

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

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).

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

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

Country Macro Indicators (World Bank) io.github.pcp183/macro-indicators

Official World Bank macro indicators (GDP, inflation...) by country. $0.005/call via x402.

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.

Veyline by Payload: agent entitlement and usage reads, signed payment preflights. No funds move.

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

Prediction Market Intelligence markets.lacuna/prediction-market-intelligence

Polymarket in your AI: market rules, real fill costs, who is trading, top traders. Read-only.

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