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GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Validate EU VAT numbers in VIES and check Peppol e-invoicing, with source and date on every fact
Peppol e-invoicing API for developers. Without an account: plan your integration, search the docs, check a test invoice against the Peppol rules and look up a Peppol receiver. With a free account: send sandbox test invoices and follow their delivery. Sandbox only.
Double-entry books an agent keeps as the user: invoices, VAT returns, 174 country packs.
Official US economic release dates and times (GDP, PCE inflation, trade) in your time zone
A site's electricity, gas, solar or EV charging, specified the way suppliers and installers price.
Optimal yearly Roth vs traditional split: 401(k), IRA, HSA, brokerage, employer match. Free.
Live crypto news from 1,000+ sources, grouped into stories, in 28 languages, with news sentiment.
Free UK CIS tax refund estimates for self-employed construction subcontractors, from S+ Money (Sovereign Plus Tax Ltd, trading as S+ Money; company registration in progress). Two read-only tools: estimate_cis_refund (2025-26, 2026-27 and 2027-28 with Budget 2026 rules) and get_cis_tax_rates, with GOV.UK sources. No sign-in, nothing stored. An estimate, not tax advice.
Estimate a UK CIS construction subcontractor's tax refund for 2025-26 to 2027-28. Free, no sign-in.
US GLP-1 cash prices across 80+ sellers, ranked per 30 days, with check dates and source pages. Read-only, no sign-in.
Dinero en la Mesa: live all-in cost (fees + slippage) and funding on 28 perp DEXs. Free, read-only.
Spain farm-gate prices with source and date: Valencia region, national averages, livestock, diesel.
AI accounting: ask about your live AccountsOS books in plain English. Read-only tools for transactions, cash balances, invoices, bills, VAT, filing deadlines and reports across 32 countries. OAuth sign-in; free 14-day trial at accounts-os.com.
Free UK CIS calculators: deductions, deadlines, late penalties, gross payment test, verification.
Validate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON.
SEC EDGAR filings search, EU TED tenders and World Bank indicators
Private credit: lenders, sponsor financing, credit facilities, BDC holdings, LP allocations. Cited.
Validate an EU VAT number on VIES, look up an LEI, or search a company register.
Argentine economic statistics sourced from official data (BCRA, INDEC, datos.gob.ar) as tools for AI agents: exchange rates, inflation, rates, reserves, activity, wages and trade. Search series, fetch history, projections with calibrated bands and the BCRA market consensus, weekly summary and release calendar. Independent project, not affiliated with any government agency. Free, attribution required.
Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
Argentine economic statistics from official sources (BCRA, INDEC): FX, inflation, rates, reserves.
Verified US consumer-tech deals, coupons and 90-day price history. Free, read-only, no API key.
Verifica partita IVA, codice fiscale e IBAN italiani con dati ufficiali (VIES, IPA, ISTAT)
Free no-auth tools for Spain: validate IBAN, EU VAT check (VIES), Modelo 303 sums, Veri*factu dates.
Verify ZUGFeRD/Factur-X e-invoices against EN 16931 (XML structure, Schematron business rules, PDF/A-3), read invoice data from PDF invoices and convert them into EN 16931-compliant ZUGFeRD PDFs, and check business partners via EU VAT ID (VIES) and Peppol reachability. Verification, VAT ID and Peppol checks are free; extraction and conversion need a finisma subscription or credits. OAuth 2.1 login. Files are processed in Germany and deleted within 5 to 15 minutes.
Spanish Veri*factu invoicing: create invoices, expenses and VAT returns from your AI assistant.
Tesouro em Foco is a free remote MCP server that brings Brazilian government bond (Tesouro Direto) pricing into AI assistants such as Claude, Cursor, and any MCP-compatible client. The engine implements the Brazilian National Treasury's official pricing methodology — validated against 269,000+ real trades — and covers all retail bond types: fixed-rate (LTN, NTN-F), inflation-linked (NTN-B Principal, NTN-B), and retirement/education bonds (Renda+ and Educa+, NTN-B1).
US government data as clean JSON for AI agents: SAM.gov contract opportunities, USAspending awards, Grants.gov grants, House STOCK Act trades, and SEC EDGAR filings (Form 4 insider trades, 8-K events, 13F holdings, 13D/G stakes, XBRL fundamentals, 10-K/10-Q sections). 19 read-only tools. Data is as fresh as each source publishes; congressional trades lag up to 45 days and report dollar ranges (House only). Free tier, no card.
SmartMoney77 MCP v0.6.0 — 14 public tools that turn financial questions into exact numbers and citable links. New: historical_investment_return and compare_investments, which compute "what if I had invested" results from real yearly price data. Also compound interest, FIRE number, credit-card payoff, emergency fund, inflation, latte factor, investment fees, cost of waiting, plus discovery/deep-link/share-pack tools for a catalog of calculators in 6 languages (he/en/ar/es/pt/in). Public, no login. Endpoint: https://smartmoney77.com/mcp
Precios agrarios de España con fuente y fecha: precios en origen de la Comunitat Valenciana (Generalitat), medias nacionales del Ministerio de Agricultura, gasóleo B por provincia y plazos del campo. Gratis, sin clave, solo lectura.
