MCP Server Directory

Quarterly Tax Calculator io.github.al157/quarterlytax-mcp

US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.

Automaton Onchain Tools app.vercel.automaton-tx-explainer/base-tools

Paid x402 crypto safety tools (Base/ETH/BSC): tx, approvals, contract risk, token deep scan.

SLXD Finance app.slxd/finance

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

Belegbar at.einfachbelegbar/belegbar

Buchhaltung für Österreich: Buchungen, Belege, Rechnungen, Bank und UVA lesen und vorschlagen.

FilingDelta xyz.filingdelta/filingdelta

SEC filing changes, central-bank rate decisions and US macro cards. From $0.01 USDC via x402.

OSINTverse com.osintverse/mcp

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

OptimistFi com.optimistfi/optimistfi

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

AI Mail MCP com.aimailmcp/mail

One inbox for every hat you wear: support, sales, billing mail, triaged and drafted by your agent.

NZ Data API dev.workers.zakwins.nzdata/nz-data-api

New Zealand public holidays, working-day deadlines, IRD/NZBN/bank checks, GST. Pay per call via x402

ARYSPHERE x402 chain reads and token verdicts com.arysphere/arysphere-x402

Pay-per-call onchain reads (Base, Ethereum, Gnosis), token verdicts and LLM chat over x402 USDC

BotOrNot com.getbotornot/botornot

Is a trading bot legit? Sourced bot fact sheets, regulator scam records and on-chain results.

Vestiarion io.github.duongnq2798/vestiarion

An AI treasury agent paying in USDC on Arc: read its decisions, ledger and books; add invoices.

Bankday io.github.ParsingMAINFRAME/bankday

Business days, holidays and settlement dates for ACH, TARGET2, Bacs, 28 exchanges and 247 countries

Xynthera AI — JSON invoice, OpenAPI and event checks site.chatgpt.toasty-seal-8877.xynthera-ai/xynthera-ai-prepaid

Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.

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

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

Monexa io.github.emilijan-koteski/monexa

Track expenses and income, recurring payments and spending trends in Monexa from any AI assistant.

Income Checker io.github.Tariqlearnstocode/incomechecker

Income and rent calculators, pay stub math checks, and bank-based income analysis tools.

Private balance on Robinhood Chain for AI agents: send, swap and withdraw ETH, USDG and stocks.

FreeTier Agent API dev.pages.freetier-agent-api/freetier-agent-api

x402 or card pay-per-call: invoice JSON, DNS, whois, SSL, geocode, RSS feeds, sitemaps, QR codes

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.

FutureSense io.github.Sams3595/futuresense-mcp

Invoicing, CRM, accounting, payroll, booking and AI content tools for FutureSense apps.

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.

Memory for AI agents: a data bank of MTSV relations, read through one tool.

Témoin public fr.temoinpublic/temoinpublic

Prove a web page or document existed on a date: public SHA-256 registry anchored in Bitcoin. Free.