3321 Model Context Protocol servers — searchable, rated, ready to install.
FX and exchange rate lookups plus currency conversion, from the European Central Bank. No API key.
Quantum-finance market metrics for AI agents, computed by the Black Belt Labs engine.
Free professional review of a contractor's equipment rental invoices. Referral and intake only.
Anonymous public tools for BetterOff. See the published agent boundary before use.
Free invoice drafts, templates and direct PDF generation for AI agents. No account needed.
Full-text search over K-IFRS/K-GAAP standards and KASB accounting Q&A for Korean accountants
Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.
Crypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.
Crypto Signals by ForgeMesh: market intelligence, calibrated forecasts, whale flows, risk context.
Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).
Read payment settings, orders and receipts, create payment links and API keys.
Validate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON.
Secure remote MCP for supported accounting workflows in authorized KROS companies.
Read a Finero workspace and issue payment links, as the person who approved it.
Unofficial read-only MCP server for the wFirma API v2: invoices, contractors, expenses, payments.
Recurring subscriptions billing: schedule once, auto-generate due invoice PDFs.
MCP server for Holded (Spanish ERP): invoicing, accounting, treasury, CRM, projects, payroll.
Build any crypto agent: stack picks, x402 and ERC-8004 lookups, wallet-key checks, unsigned swaps.
Hourly rates by role and date, priced into invoice and quote lines without retyping.
A price list and rate card the quotes and invoice servers read by SKU.
Normalizes and deduplicates a list of URLs. x402 payment required (testnet USDC, Base Sepolia).
External counterparty-risk checks and signed receipts for autonomous agents and machine payments.
Danish grocery catalog as MCP tools: live offers across all major chains, stores, EAN lookup, stock.
MCP gateway for 1845meat.com: products, prices, stock and cart links. Read-only, no auth.
POST /mcp