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lzinga

US Government Open Data MCP

lobbying_search

Search U.S. lobbying disclosure filings to identify who lobbies Congress, on which policy issues, and how much they spend.

Instructions

Search lobbying disclosure filings — find out who is lobbying Congress, on what issues, and how much they're spending.

Search by:

  • registrant_name: lobbying firm or self-filing org ('Pfizer', 'Amazon', 'National Rifle Association')

  • client_name: who hired the lobbyist ('Google', 'ExxonMobil')

  • issue_code: policy area ('TAX', 'HCR' health, 'DEF' defense, 'ENV' environment, 'ENG' energy, 'IMM' immigration)

  • filing_year: year of filing (2020-2026)

Returns expenses/income amounts, issues lobbied, and registrant/client info.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
registrant_nameNoLobbying firm or organization: 'Pfizer', 'Amazon', 'US Chamber of Commerce'
client_nameNoClient who hired the lobbyist: 'Google', 'Meta', 'Boeing'
issue_codeNoIssue area code: 'HCR' (Health Issues), 'MMM' (Medicare/Medicaid), 'TAX' (Taxation/Internal Revenue Code), 'BUD' (Budget/Appropriations), 'DEF' (Defense), 'ENV' (Environment/Superfund), 'ENG' (Energy/Nuclear), 'TRD' (Trade (Domestic/Foreign)), ... (20 total)
filing_yearNoYear: 2020-2026
filing_typeNoFiling type: 'Q1' (1st Quarter Report), 'Q2' (2nd Quarter Report), 'Q3' (3rd Quarter Report), 'Q4' (4th Quarter Report), 'MM' (Mid-Year Report), 'MY' (Year-End Report), 'RN' (Registration (New)), 'RA' (Registration Amendment), 'RR' (Registration Renewal), 'TE' (Termination)
page_sizeNoResults per page (default 20)
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