"file system" matching MCP servers:

Provides access to EPA's Air Quality System API with 31 tools for querying air quality data, monitoring sites, and pollution measurements across the United States through natural language.

Read-only MCP server that queries official Brazilian tax registration data from Receita Federal's Acréscimos Legais (SAL) system, paid per-use with prepaid credits.

Enables querying EPA's Air Quality System for regulatory-grade ambient air data, including parameters, sample measurements, annual summaries, and monitor metadata.

Enables real-time ISO New England electricity market data via MCP, including five-minute locational marginal prices, system load, and generation fuel mix for the six New England states.

Enables AI agents to interact with Windows operating systems through native UI automation, file navigation, application control, and system commands. Provides seamless integration between LLMs and Windows environments for tasks like clicking, typing, launching apps, and capturing desktop state.

A production-ready MCP server that provides access to the German Bundestag's parliamentary documentation system (DIP API).

Enables querying real-time DTCC swap transaction data and dissemination file indexes for CFTC, SEC, and Canadian regulators.

Enables interaction with open data portals through a configurable plugin system, supporting CKAN and custom data sources.

Enables querying the BOLD Systems global DNA barcode database for specimen records, taxonomy, barcode sequences, and BIN clusters, with keyless access and FASTA-ready output.

Enables searching and retrieving documents, activities, and plenary protocols from the German Bundestag's DIP system via MCP tools.

Provides access to South Korea's DART (Data Analysis, Retrieval and Transfer System) financial disclosure system, enabling users to retrieve corporate information, financial statements, debt summaries, subsidiary investments, employee data, and stock information for Korean companies.

Enables querying PyPI download statistics for packages, including recent totals, daily timeseries, and breakdowns by Python version and operating system, without an API key.

Enables AI agents to access US public library data from the federal IMLS Public Libraries Survey, including proximity searches, library system profiles, and statewide statistics.

Gateway connector between LLM agents and world data, providing access to financial market prices, macroeconomic indicators, and news through a bundled endpoint catalog.

MCP server for searching and retrieving over 550,000 Polish tax documents from the EUREKA system, providing verifiable citations with signatures and URLs.

An MCP server that resolves paper requests (DOI, arXiv, etc.), checks a local store, fetches open-access PDFs, and returns request IDs. It integrates with acatome-extract for ingestion and provides tools for submission, status, update, and file upload.

MCP server for Korea's DART (Data Analysis, Retrieval and Transfer) electronic disclosure system, operated by the Financial Supervisory Service (FSS). Exposes company disclosures, company profiles, and financial statements via the OpenDART public API.

Provides plain-English access to official Dallas-area public data, including weather alerts, school ratings, 311 requests, building permits, police incidents, and property parcel lookup.

Enables querying Portuguese competition data from AdC (Autoridade da Concorrência), including enforcement decisions and merger control decisions, directly from MCP-compatible clients.

Enables any MCP client to ask what a medical procedure costs at three Chicago hospitals and get back rows cited to each hospital's own published price file and provider registry data. Tools stay read-only and typed, returning provenance such as source file, SHA-256, effective date, and release tag with every result.