MCP Server Directory

estimate-template io.github.theluckystrike/estimate-template

Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

TrustRail Counterparty Risk io.github.trustrail-labs/trustrail

External counterparty-risk checks and signed receipts for autonomous agents and machine payments.

FluxProof io.github.equinoxaifinance-rgb/fluxproof

Evidence-bearing public webpage monitoring with hashes, diffs, signed webhooks, REST, and MCP.

site uk.co.devexitfinance/site

Development Exit Finance: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

amortization io.github.theluckystrike/amortization

Loan and lease schedules: payment, interest, early settlement and the journal, to the minor unit.

Yahoo Finance Scraper — Quotes & Financials com.ranovam/yahoo-finance-scraper

Scrape stock quotes, historical prices, and financial statements from Yahoo Finance.

BASE167 com.base167/base167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

Joe Speaking io.github.hubeiqiao/joe-speaking

Read-only IELTS and CELPIP question banks, learner practice, progress, scores, and feedback.

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

catalogue io.github.theluckystrike/catalogue

A price list and rate card the quotes and invoice servers read by SKU.

barcode-qr-code-sepa-payment-ean13 io.github.theluckystrike/barcode-qr-code-sepa-payment-ean13

QR codes and barcodes offline: WiFi, vCards, SEPA payment codes, Code 128, EAN-13, SVG or PNG.

json-schema-validator io.github.ryuamarines/json-schema-validator

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

steve-guard com.stevesignals.api/steve-guard

Solana + Robinhood-Chain token safety & net-USD accumulation intel for trading agents.

structured-output-mcp-agent-cryptography ai.getvda/structured-output-mcp-agent-cryptography

Structured Output MCP Agent (Cryptography)

Israel Business Intelligence MCP io.github.itzikhr18/israel-business-intelligence

Israeli invoice PAY/HOLD/BLOCK gate; cheapest paid path company-changes $0.01 USDC.

milestone-schedule io.github.theluckystrike/milestone-schedule

Milestone billing from accepted deliverables: due dates, sign-off dates, invoice-ready items.

Fee-carrying trading tools for AI agents: Jupiter Ultra, Polymarket CLOB v2, Hyperliquid perps.

Budget router over x402: hard budget caps, idempotent paid calls, cost ledger, server-side pricing.

Anyway Possible Paid Agent Utilities io.github.anyway-possible/agent-utilities

Paid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.

Quipu API integration with 18 MCP tools for invoices, expenses, contacts and Spanish VAT reporting

Stabledrop escrow payments me.stabledrop/escrow-payments

Stablecoin escrow payments the buyer can dispute, with a signed receipt. Pay a wallet or an email.

currency-converter-ecb-rates-daily-keyless io.github.theluckystrike/currency-converter-ecb-rates-daily-keyless

Convert currencies on the daily European Central Bank reference rates. No API key, no signup.

FX and exchange rate lookups plus currency conversion, from the European Central Bank. No API key.

AI 开票助手 · 电子发票开具 io.github.imoldyoung/e-invoice

对话式开具电子发票（数电票）：第一步免费生成发票草稿（自动校验税号、税率并算税），第二步确认开票（需 App Key，按张计费），支持开票记录查询。