"Max" matching MCP servers:

Resolves a company name, registrable domain, or LEI to its GLEIF legal entity record — LEI, legal name, jurisdiction, entity status, and registration status — for $0.05 USDC on Base paid per call over x402, with no signup or API key. Includes a free, no-wallet preview of price and coverage plus hard per-call and per-session spend caps, while misses and ambiguous matches cost nothing.

Model Context Protocol (MCP) server for Mexican Electronic Invoicing (CFDI 4.0, Complemento de Pagos 2.0). Provide tools to validate, generate, and explore API specifications for SAT/PAC interoperability.

Enables AI agents to validate Mexican RFC, CURP, CLABE and NSS identifiers with real check digits, parse CFDI 4.0 invoices with labelled SAT catalogue codes and verified totals, and query the SAT's public status service to see whether an invoice is still valid. It also generates coherent test people and companies, all read-only and without API keys, certificates or PAC contracts.

Validates and calculates Korean capital gains tax on real estate transactions with explanation. Supports multiple ownership types, exemptions, and detailed tax breakdowns.

MCP server that exposes the OBBBA No Tax on Tips federal deduction logic as callable tools, enabling users to check eligibility and estimate tip deductions.

Korean tax law for AI agents: search NTS rulings, court and Tax Tribunal decisions; read point-in-time statutes with the Act → Decree → Rule chain and amendment history; basic rules and execution standards; 96 tax treaties with withholding rates; forms and schedules; and verify citations in drafts. Fact-pattern comparison is done by your AI (or optional on-prem/cloud Upstage Solar).

Enables U.S. exclusion, debarment, and license screening for agents, returning results with Ed25519-signed receipts of which list snapshots were checked.

An open-source MCP server that enables AI agents to read, populate, and manage tax returns in Canadian professional tax software like Taxprep and DT Max through a vendor-neutral concept layer.

An MCP server delivering Alberta tax accounting and law expertise, with 47 tools across 10 domains including corporate tax, GST/HST, payroll, and a self-learning layer for dynamic rate and rule updates.

Enables AI assistants to compute exact Sri Lankan tax figures — APIT/salary tax, annual income tax, withholding tax, VAT and SSCL — under the official Inland Revenue Department rules in force on any given date since 1 January 2023. Every result is returned with precise decimal amounts and the dated IRD sources and rule versions used, so rates are never recalled from memory.

Enables AI assistants to retrieve current Korean tax statutes, judicial precedents, and tax authority interpretations via MCP, with daily-updated legislative history and full-text search.

Enables AI assistants to perform Japanese invoice and tax calculations, including consumption tax, withholding tax, invoice number validation, and invoice data generation, all locally without external APIs.

Enables AI agents to compute Korean corporate tax, income tax, VAT, withholding, deemed interest, penalties, and limitation periods using verified year-by-year rate tables, with every result citing its governing statute. Runs entirely locally with no API key, and returns an error rather than estimating for years lacking a verified table.

Provides Japanese tax and invoice utilities such as consumption tax calculation, withholding tax, invoice number validation, and tax rate summarization, enabling AI assistants to perform these operations locally without external APIs.

Consulta em fonte oficial a Certidão Negativa de Débitos da SEFAZ MA, com uma ferramenta somente leitura via MCP over HTTP.

Access Korea's national tax law information system to search rulings, precedents, statutes, and more using natural language queries via Claude.

Enables Claude to search and retrieve legal sources from Mexican and inter-American courts (SCJN, TFJA, DOF, Corte IDH) with complete citations and official links.

Enables consulting official clearance certificates (negative debt certificates) from the Prefeitura MA Balsas through a read-only MCP tool, with pay-per-query prepaid credit.

Enables 1099 gig workers and freelancers to calculate 2026 quarterly federal estimates, self-employment tax, safe-harbor minimum payments, and mileage or actual-expense deductions, including the mid-year business mileage rate change from 72.5 to 76 cents. It also compares standard mileage against actual vehicle costs and exposes every tax constant with its source.

Enables querying official negative certificates of court cases (Certidão Negativa de Feitos) from the Brazilian Labor Prosecutor's Office in Maranhão (MPT MA) via a read-only MCP server.