"Max" matching MCP connectors:

Source-linked Malaysian individual and sole-proprietor tax guidance for AI agents.

Conformité Factur-X : 21 critères PDF/A-3, XML CII EN 16931 et BR-FR. Analyse locale, gratuite.

Tax Regulations MCP — US Treasury / IRS regulations (26 CFR, 'Treas. Reg.').

Enrolled Agent tax tools: IRS notices, FBAR, LLC vs S-Corp, quarterly estimates & more.

Read-only US tax reference for notices, deadlines, filing screens, and clearly labeled estimates.

Italian tax + NIS2 scope: Codice Fiscale, P.IVA, IBAN, ATECO, IMU, F24, FatturaPA. Free, no LLM.

Fiscal y nomina MX: recargos, ISR, CFDI, RESICO, calendario, IMSS, aguinaldo, finiquito.

Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.

Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables).

Sourced Italian tax tools for AI agents: cited primary-source search + a deterministic tax engine.

Machine-readable Japanese crypto-asset tax rules for AI agents: rules-as-code with citations, x402.

Connect AI agents to BoomTax for IRS information return filing. Query filings (1099, W-2, 1095, etc.), check e-file status and errors, look up payers, and get filing summaries across tax years. **Tools:** - Search and filter filings by tax year, form type, and status - Get filing details with payer info and e-file status - View e-file errors with IRS error codes and messages - Look up payers/issuers with filing counts - List all supported filing types and e-file availability

Thailand Leceipt e-Tax: AI agents create, poll and download e-Tax Invoices, stateless BYO.

Free public tax MCP: GST/VAT, income, company & capital-gains tax for 50+ countries, source-cited.

Israeli tax research: source-grounded answers with official citations, in Hebrew.

Deterministic MLP tax engine with IRS citations. 6 tools: basis, §751, estate, projections.

Deterministic MLP tax computation engine. 6 tools: basis projection, estate planning, sell vs hold comparison, MLP vs ETF tax analysis, distribution stress test, and MLP reference data. Returns IRS-cited calculations for K-1 basis tracking, §751 recapture, and §199A QBI.

Provides access to Avalara Tax Registration and Business Licenses APIs for filings and registrations

Provides access to Avalara Tax Content: TTE configs, jobs, communications, lodging, autorental