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

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.

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.

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.

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

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 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.

Enables MCP clients to query UNDP's open data on projects, funding, donors, SDG alignment, and focus areas without an API key.

Provides a semantic concept layer over financial/economic data from multiple sources, enabling users to query data by concept and entity with automatic source selection and failover.

Enables AI assistants to discover and query official Census Bureau datasets, geography levels, aggregate statistics, FIPS codes, and population data through MCP tools and prompts.

Enables querying SEC Form N-PORT data to find which mutual funds and ETFs hold a given security, view a fund's reported portfolio positions, and check data coverage and scope.

Connects AI assistants with official Census Bureau statistics and data sources, enabling dataset discovery, geography resolution, aggregate data retrieval, and population data prompts.

Enables AI assistants to discover, query, and analyze official Census Bureau datasets and statistics, including geography lookup and aggregate data retrieval.

Enables agents and people to run local SEC research queries against EDGAR or demo fixtures, returning verifiable financial data, filing text, charts, and evidence packets with explicit source and coverage.

Enables AI assistants to discover Census datasets, resolve geographies to FIPS codes, fetch aggregate statistics, and retrieve population data from official Census Bureau sources.

Connects AI assistants with official Census Bureau statistics and data from the Census Data API and other official sources, enabling dataset discovery, geography resolution, and aggregate data retrieval.

It enables AI assistants (Claude, Cursor, etc.) to access SEC EDGAR data through 6 structured tools — from discovering available filings to keyword-searching within their pages.

Provides typed, read-only tools over SEC EDGAR for company lookup, filing lists, annual XBRL financial facts, and 10-K/10-Q item sections. Every result carries a source URL so answers can be grounded in and cite the underlying filings.

Provides read-only access to Polymarket US public market data, including prices, order books, and spread/fee analytics, via MCP tools.

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 agents to look up any US House district or Senate race and get the incumbent, every FEC-registered candidate by party with receipts, disbursements and cash on hand, plus inferred primary winners and the primary, runoff and general election dates. A companion tool lists the races in a state so you can find the right district.

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.

SEC EDGAR filing MCP for equity research agents: search 10-K/10-Q/8-K with CompanyFacts metrics, preview a free sample, and purchase full structured JSON via x402 USDC on Polygon. Public endpoint on xpay.tools.

We sell open source compliance, scientific, and government data.

Provides AI assistants with clean access to 58 US macroeconomic indicators from the FRED database, with pre-computed changes and no need to know series IDs.

MCP server providing SEC EDGAR signal intelligence — insider trading (Form 4), 13F holdings, filing velocity, activist risk flags, and multi-company comparisons. Already on the official MCP Registry, awesome-mcp-servers (PR #5664 pending), and Apify Store with three-tier pay-per-event pricing. MIT license, TypeScript, comprehensive README.

Enables users to resolve historical US land and jurisdiction questions: which county held a given spot on a specific date, where a federal land description (PLSS) falls on the ground, and which National Archives series and file hold the case behind a land patent. All lookups are read-only and can be used alongside archive-search tools to route records requests to the right office.

A free MCP server for stock research combining Finviz screening and SEC EDGAR filings, offering 24 tools for fundamental analysis, insider trades, and financial data without paid subscriptions.

Runs all GTM signal tools in a single call and returns a unified company intelligence report combining hiring, tech stack, LinkedIn, and job board data.

Gives Claude direct access to the Africa API for comprehensive data on all 54 African nations, including economic indicators, markets, trade, government, elections, and policies.

Enables AI agents to drive a user's own signed-in Google NotebookLM (Gemini Notebook) account through 51 MCP tools, covering notebook and source management, grounded chat with numbered citations, fast and deep research, and generating or downloading audio/video overviews, slide decks, quizzes, flashcards, mind maps, infographics, reports and data tables. It runs over stdio or streamable HTTP on localhost and sends progress notifications for long-running jobs.