"US Government Open Data API Aggregator (FEC, SEC, Congress, Lobbying, USAspending)" matching MCP servers:

MCP server + TypeScript SDK for 36 U.S. government data APIs — 188 tools. Treasury, FRED, Congress, FDA, CDC, FEC, lobbying, and more. Works with VS Code Copilot, Claude Desktop, Cursor.

Search official US government data from any MCP client: building permits from 10 city open-data portals, federal contract opportunities from SAM.gov with contracting-officer contacts, and the CMS NPI healthcare-provider registry. Open-source TypeScript server; data delivered via Apify's pay-per-result actors using your own Apify token.

Enables searching US federal lobbying disclosures and foreign-agent registrations, resolving clients and lobbyists, inspecting contributions, and analyzing reported amounts through MCP tools with optional local SQL.

Access Federal Election Commission campaign finance data through MCP tools. Enables querying OpenFEC data using natural language via ask_pipeworx or direct tool calls.

Searches and fetches research datasets across Zenodo, DataCite (Dryad/Figshare/Dataverse/OSF), NCBI omics archives (GEO/SRA/BioProject), and the literature (PubMed/OpenAIRE) through one normalized model — deduplicating by DOI, expanding organism queries with NCBI Taxonomy synonyms, and bridging papers to the datasets they produced. Resolves citations and open-access full text, and downloads files.

MCP server for querying US federal contracts and public company financial data from USAspending and SEC EDGAR. Enables searching expiring contracts, screening companies by metrics, and retrieving financial histories.

Enables querying US Senate lobbying disclosure data via natural language or direct tool calls, as part of the Pipeworx MCP gateway.

Hosted MCP server granting AI agents access to 20M+ SEC EDGAR filings, 100M+ exhibits, and comprehensive entity data through 49 tools, with support for raw documents, extracted sections, and structured JSON.

Provides access to US Congress data via the GovTrack API, allowing AI agents to query congressional information without authentication.

A Model Context Protocol (MCP) Server that provides unified access to multiple external APIs (weather, news, financial data) through a single, consistent interface for AI agents and LLMs.

Enables searching government tenders and public procurement opportunities with structured, anti-bot-handled results.

Connects Claude to live U.S. Congress stock trades and institutional 13F holdings from free public sources, enabling natural language queries about political insider trading and fund overlap.

Enables agents to discover, inspect, and query municipal open datasets from data.seattle.gov through Socrata SODA2, with bounded reads, aggregates, and reference guidance.

Query FEC campaign finance data — search candidates, track donations, analyze spending, and monitor Super PAC activity via the OpenFEC API.

Enables answering questions about Ukrainian open data from the data.gov.ua CKAN portal by searching datasets, inspecting resource schemas, and running read-only SQL aggregates over a single tabular resource. Every data-backed answer is computed from retrieved data and returned with machine-readable provenance, and unsupported or unanswerable requests are refused rather than guessed.

Enables access to Hong Kong government's official open data portal (DATA.GOV.HK) through natural language queries. Supports searching datasets, browsing categories, and retrieving detailed information about Hong Kong's public data resources.

Ten tools I built to get facts from official open data, not guesses.

Enables MCP clients to retrieve normalized U.S. public statistics — Census ACS population, BLS unemployment and CPI, FRED series, and HUD fair market rents — as small, typed JSON snapshots. Exposes five tools (get_cbsa_population, get_hud_fmr, get_unemployment_rate, get_cpi, get_fred_series) that work offline against recorded fixtures and can later use live API keys without changing tool names.

Enables AI clients to discover, validate, and access Hong Kong and Macao government open data through local stdio tools, enforcing explicit region selection and exact-match-only results from official government domains.

Enables access to federal spending data from USAspending.gov API via Pipeworx MCP gateway.

Enables research of federal contract awards, market opportunities, and competitive landscapes using the USASpending.gov API. It provides specialized tools for AI agents to analyze government spending trends, identify incumbents, and search contractor details.

A free, key-less MCP server for querying U.S. federal spending data from USAspending.gov, including contracts, grants, loans, recipients, agencies, and geographic breakdowns.

An MCP server that lets an LLM query a DuckDB warehouse of EuroLeague and EuroCup basketball data in natural language, offering tools for player and team stats, shot charts, boxscores, and fantasy draft analysis without contacting upstream APIs.

Enables AI assistants to query French public open data through read-only tools: geocoding and reverse geocoding of addresses, company lookups by name, address, leader or SIREN, and commune listings by name, postcode or département. It wraps free, keyless government APIs (IGN Géoplateforme/BAN, Recherche d'entreprises/SIRENE, geo.api.gouv.fr) over stdio or Streamable HTTP with validated inputs and rate limiting.

Aggregates personal data from multiple sources (Claude Code sessions, GitHub, Dropbox, etc.) into a searchable SQLite store and exposes query capabilities via FastMCP for models.

Read-only MCP server for exploring US federal spending data via the USAspending.gov API, enabling natural language queries on awards, agencies, recipients, and spending trends.

Provides unified access to Moroccan government data, financial markets, geographic information, and more via natural language queries.

Provides AI assistants with access to OpenAPI specifications, enabling API discovery, schema retrieval, and direct API execution with support for OAuth 2.0 and other authentication methods.

Aggregates multiple MCP servers into a single Streamable HTTP endpoint, compressing tools to manage registration limits.

Enables MCP clients to register and call multiple Korea Public Data Portal OpenAPIs using only a service URL and auth key, with automatic API naming and tools for listing and querying registered endpoints.