LawDiver Tax

ClaudeCommunityby LawDiver, LLC

LawDiver Tax is a remote MCP server for U.S. federal tax research. Five read-only tools: tax_search (Internal Revenue Code, Treasury regulations, IRS guidance, forms, IRM — not cases), tax_retrieve (open one non-case item; year defaults to the latest held edition; forms can include instructions), get_tax_case (search / retrieve / good-law / citing cases for Tax Court and federal tax opinions), get_tax_treaty (search or retrieve with implementing-legislation links), and check_tax_authority (batch IRS guidance citator). Users authenticate with OAuth (LawDiver account). Documentation: https://lawdiver.com/products/tax · REST: https://lawdiver.com/products/tax-api