"Invoice Ninja" matching MCP servers:

Invoice by Ouroboros Apps (https://ouroborosapps.com). Freelance invoice records: approved invoice line items, quantities, agreed rates, due dates, and late terms; invoice changes need explicit approval. Connect by pasting https://invoice-continuity2.vercel.app/mcp into Claude, Cursor, Grok, or ChatGPT developer mode (OAuth). Docs: https://ouroborosapps.com/docs/invoice

Enables UAE e-invoicing and PINT AE compliance checks, including TRN/TIN validation, a 51-field mandatory checklist, structural invoice review, and UBL XML stub generation.

Enables users to review a supplied batch of supplier invoices or vendor bills for repeated references, normalized reference variations, and identical amount-and-date candidates, returning grouped evidence and exact review reasons from local history. Supports saved reports, CSV export, and use with MCP clients such as Claude Desktop, Claude Code, and Cursor.

Official MCP server for OpenWeb Ninja: 40+ real-time web data and SERP APIs (Google Maps, Amazon, jobs, Zillow, Trustpilot, web search, news, finance) exposed as MCP tools.

Invoice Generator AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

Reads and validates any European e-invoice a business receives — XRechnung, UBL, CII, ZUGFeRD/Factur-X PDF, Peppol BIS 3, FatturaPA, KSeF FA(3) — into canonical EN 16931 JSON with plain-language fix hints in EN/DE/PL/IT/FR, plus PDF, CSV and DATEV export. Nothing is stored; works without a key on a small daily quota.

Enables converting Indian GST tax invoices into government INV-01 JSON payloads via OCR and deterministic extraction, with tools to validate GSTINs and re-validate payloads, and reports exactly what it couldn't read.

Enables verification of Japanese companies through JP-Verify's API: checking qualified-invoice registration (T-numbers) and Corporate Numbers, resolving company names to candidate numbers, retrieving official or romanised English names and addresses, and fetching major-shareholder tables from EDINET filings. Supports single or batch lookups with API-key or key-less sandbox access, returning raw responses plus quota and provenance metadata.

Enables issuing credit notes and credit memos against an invoice or standalone as revisable drafts that can be finalized into frozen numbered documents, then rendered as Markdown or printable HTML with totals broken down by currency, reason and month. All amounts are handled as integer minor units and all data stays local, so nothing is sent anywhere.

Payment firewall for AI agents: a signed, independently verifiable verdict on every money-moving action. Blocks wrong/lookalike payee, over-cap, and duplicate-invoice (BEC) fraud before money moves — anyone can verify a verdict against the public JWKS. Free, local-first, non-custodial.

Enables users to compare a supplier invoice with its purchase order and accepted receipts by exact SKU, unit price, and billed quantity, surfacing mismatches even when totals agree. It returns per-SKU evidence and source values for each exception.

MCP server for document intelligence via x402 micropayments. 6 tools: document analysis, invoice extraction, screenshot data, alt text, PII detection, sentiment analysis. Pay-per-use with USDC on Base — no API keys needed.

Accounting automation MCP server for Japanese tax firms. Two-stage classifier (keyword + Claude AI) with TaxRuleEngine for consumption tax, withholding, invoice system, and confidence-based routing.

Provides offline validation and analysis of Turkish e-invoice documents (e-Fatura, e-Arşiv, e-İrsaliye) using the official GİB XSD, schematron, arithmetic, and signature rules, returning detailed Turkish explanations and correction suggestions.

Enables calculation of US mechanics lien and preliminary notice deadlines from an invoice date and state, covering all 50 states plus DC without an API key.

An MCP server wrapping the Websupport REST API to expose DNS, FTP, hosting, databases, mailboxes, VPS, and invoice operations as MCP tools with HMAC-SHA1 authentication.

UseHourly is a free, open-source timesheet for freelancers. Log your day in seconds, then turn the hours into a PDF invoice. Its remote MCP server gives any AI assistant 30 tools to log and edit time, run timers, manage clients and projects, create invoices and read annual reports. It uses Streamable HTTP with bearer tokens that can be read-only or read-write, set to expire, and are revoked on a p

Provides AI agents with deterministic, offline finance tools for commodity margin analysis, loan covenant compliance, invoice auditing, AP exception classification, and five-day close readiness.

Free starter pack of 2 USDT agent skills (usdt-invoice-request, wallet-address-safety) plus a stdlib-only Python MCP server that checks USDT payments on-chain, for freelancers paid in crypto.

Enables users to audit EVM, Solana, and Move smart contracts and assess Web3 security risks through tools for honeypot detection, SPL token risk, MEV sandwich exposure, address poisoning, HTTP 402 invoice fraud, UTXO consolidation planning, and cross-chain bridge quotes.