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

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.

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.

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.

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.

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.

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 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.

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 AI agents to retrieve sourced, compliance-tagged US and HK market data—including quotes, K-lines, fundamentals, options flow, short data, SEC filings and 13F, rates, and energy—through 41 typed MCP tools with fallback chains and compliance enforcement.

Enables Claude and compatible clients to plan, catalogue, and run deterministic, explainable controls on tab-separated FEC-like accounting export text, returning structured findings, evidence hashes, completeness, and stop reasons without echoing accounting rows.

MCP server to query public open data from Recife, Brazil using natural language. It exposes tools for schema exploration and SQL query generation via Gemini 2.5 Flash, backed by a local DuckDB database.

Interact with USASPENDING.gov to track government spending over time, search by agency, explore spending to communities, and more.

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

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.

MCP server for querying the SEC Ownership Graph, providing curated read-only tools to analyze activist campaigns, control chains, and board interlocks from SEC filings. Answers cite accession numbers and abstain when data is insufficient.

Validate French FEC accounting files and flag audit risks before a tax audit.

Enables answering business questions about Spanish places by resolving place names and returning population, household and income statistics down to municipality, district and census tract level from official INE data, cross-checked between sources with province, region and country benchmarks. Every figure is delivered with its publisher, dataset id, data year and retrieval date, alongside caveat checks for suppressed, stale, thin-sample or estimated values.

A governed MCP server for Saudi open data sources (SAMA, stats.gov.sa, Ministry of Finance, data.gov.sa), providing typed contracts, registry-backed metadata, and CLI/API access for dataset search, preview, and controlled export.

Enables triage of SAST findings by exposing a read-only MCP server with tools to access hash-verified source-to-sink code slices, unguarded sinks, and layered enrichment for local LLM analysis.

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 and agents to query Spanish public statistics from INE, official BOE publications, and Catastro property data via typed, read-only tools with structured, source-citable results.

Enables Alexa+ and a web app to run real home-network diagnoses, report and track neighbourhood internet, power and water outages, estimate restoration, and draft provider complaints with evidence, including live maps and weather-risk insights for Hyderabad.

MCP server for analyzing SEC filings (10-K, 10-Q, 8-K) with industry-aware financial extraction and BERT-based NLP.