MCP Server Directory

Varyntiq io.github.mercadosclaro-eng/payguard

Pre-payment checks for AI agents: x402 quotes, untrusted prompts and audit receipts.

OnChainDiligence Payment Evidence com.onchaindiligence/payment-evidence

Inspect payment policy, retrieve and verify receipts, or create post-payment observation receipts.

Ethereum beacon chain: state, rewards, epochs.

Snabber br.com.snabber/snabber

Brazilian personal & business finance with Open Finance: transactions, cards, investments.

Pique Signal - Solana memecoin calls xyz.piquesignal/signals

Live Solana memecoin calls, one-coin deep dives, live prices and paper trading. Needs a Pique key.

IPMusk com.ipmusk/mcp

Residential and static proxies: check usage, build proxy URLs, open tickets, get payment links.

Crypto prices from Bitfinex. No key required.

Agent Lead Generation io.github.sadri-dridi/agent-lead-generation

Leads from agents: hops attributed with a per-hop utm_id from discovery to trial to invoice.

Finance Validators io.github.Alex-Dev-Web-C-DE/finance-validators-mcp

Validate IBAN, VAT, SWIFT, LEI, and credit card numbers

Crypto prices from OKX. No key required.

Polish National Bank data: FX tables, single currency rates, and gold prices. No key required.

Pay Transparency Law Checker (bulk, Apify) io.github.Nero-Engine/pay-transparency-rules-full

Bulk job post pay transparency checks for US, Canada and EU laws, per check billing via Apify.

140+ pay-per-call agent tools: verifiable strategy track records, token verdicts, web, crypto data.

Hiboutik MCP by usefulapi io.usefulapi/hiboutik

Read Hiboutik products, stock, customers, sales and turnover; edit customers and sale comments.

Teamleader Focus MCP by usefulapi io.usefulapi/teamleader-focus

Read Teamleader Focus contacts, companies, deals, invoices, projects; create deals, tasks.

Service Fusion MCP by usefulapi io.usefulapi/service-fusion

Read Service Fusion customers, jobs, estimates, invoices and schedule; create customers and jobs.

Linnworks MCP by usefulapi io.usefulapi/linnworks

Read Linnworks inventory, stock and orders; set stock levels and add order notes.

Dueback io.github.dunrossmai-rgb/dueback-mcp

Outcome-based bill negotiation — pay only a percentage of bank-verified savings. Free to try.

GasNow io.github.j0n777/gasnow

Live crypto fees: USDT transfer costs on 12 networks, exchange withdrawals, bridges and gas.

MoneyBug Shopify Monetization Intelligence io.github.kurious8282/moneybug-shopify-monetization-intelligence

Shopify app monetization: pricing, usage fees, percentage billing, and M&A fingerprints.

Canadian exchange rates from Bank of Canada. No key required.

Policy decision point for agent payments — allow, ask, or veto before signing

RevExOS com.revexos/revexos

Quote-to-cash tools: parse invoices and POs, match POs to invoices, collection emails, billing math.

Crypto prices from Independent Reserve. No key required.