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

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.

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.

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.

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.

Enables searching and querying Taiwan government open datasets from data.gov.tw using AI-powered search through Cloudflare Workers.

26 US federal data domains as 23 MCP tools. Ed25519 signed responses. Free, no API key.

A Server-Sent Events Model Context Protocol server that enables both remote and local connections to retrieve SEC filing data, company information, and financial facts from the SEC EDGAR database.

Enables research of federal contract awards and competitive landscape analysis using the USASpending.gov API. Supports searching for contracts, analyzing recipients, tracking spending trends, and identifying market opportunities in government contracting.

This MCP server enables interaction with the Open States API, allowing users to access legislative data from US state governments through natural language commands.

Provides 22 read-only tools that let AI assistants pull and read SEC EDGAR data straight from official sec.gov APIs: 10-K, 10-Q, 8-K, 20-F and proxy filings, paged or phrase-searched filing text, XBRL facts and cross-company rankings, insider trades, 13D/13G ownership and 13F portfolios. Also enables full-text search across every EDGAR filing since 2001, so users can answer company financial questions in natural language without an API key.

Enables AI assistants to search and retrieve read-only parliamentary open data—including speeches, protocols, agendas, votes, legislative processes, people, committees, and consultations—through natural-language queries without an API key.

Provides access to the Library of Congress (loc.gov) data, enabling AI agents to search and retrieve information from the world's largest library.

Provides read-only market data for the CFTC-regulated Polymarket US prediction-market exchange, enabling keyword search and category browsing of markets along with top-of-book quotes, full order-book depth, historical Yes/No price series, and final settlement prices. All lookups are keyless and operate on market slugs, with every response tagged by venue and data timestamp so results are never confused with other prediction-market platforms.

A modular, scalable news aggregation backend that provides a unified interface to TheNewsAPI for retrieving current and historical news articles with advanced filtering capabilities, designed specifically for consumption by AI agents.

Aggregates search results from DuckDuckGo, Wikidata, and ArXiv into a single markdown response via JSON-RPC endpoint.

MCP server for accessing US securities regulations (17 CFR) via Pipeworx gateway. Enables natural language queries and integration with MCP clients to retrieve SEC regulatory data.

Enables AI assistants to access official Census Bureau statistics by listing datasets, fetching aggregate data and geography, resolving FIPS codes, and retrieving population data through natural-language prompts.

MCP server for the Congress.gov API that tracks US federal legislative process, providing tools to search bills and get bill details.

MCP server for U.S. federal law that enables searching the U.S. Code, CFR, Federal Register, case law, and bills, with citation verification against primary sources to prevent hallucinations.

Enables AI agents to fetch and search news from multiple sources including RSS/Atom feeds, HackerNews, and GDELT global news intelligence without requiring an API key.

Provides access to Shodan's IoT search engine API for device search, host intelligence, exploit database, network scanning, and security analysis through natural language.

Enables to access SE Ranking SEO data through natural language queries, providing keyword analysis, competitor research, and performance tracking.

Enables access to comprehensive LinkedIn data, including professional profile details, company information, and social engagement metrics. It supports searching for people, retrieving posts and comments, and fetching detailed experience, skills, and recommendations.

Enables AI assistants to search and analyze legal documents from multiple jurisdictions including US federal and state law, case law, EU regulations, UK legislation, Canadian law, Congress bills, SEC filings, and FDA data through free government APIs.

An MCP server that provides comprehensive US legislation.

Enables listing and reading curated US news, politics & government feeds, and fetching any RSS/Atom/RDF feed by URL.

Enables real-time access to US electricity generation, fuel mix, and demand data through natural language queries.

Enables agents to search and enrich B2B companies and people, find verified work emails and US phone numbers, search job postings, and consult live documentation, exposing one tool per API endpoint.

Provides secure access to XBRL-US financial data with session-based authentication, enabling users to search for companies by fiscal year and retrieve their financial facts from SEC filings.