"MCP integration with LangChain documentation" matching MCP servers:

MCP server for screening UK companies against the Companies House register, offering batch supplier screening, company snapshots, and factual signals rather than risk scores, with tools that never guess company numbers and documentation generated from the running server.

Enables querying WikiTree genealogy data including profiles, ancestors, descendants, relatives, biography, photos, and categories via natural language.

Enables querying EU-funded research projects and ERC grants from the CORDIS knowledge graph, including full project records and ERC scheme listings, with server-side filtering and attribution.

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.

Central Bank of Russia (CBR) data for AI agents — daily and historical currency rates, key rate, inflation, and macro statistics. Five typed MCP tools, in-memory TTL cache, MIT-licensed, no API key required.

Exposes 26 structured analytical tools over Climate Finance Update datasets, enabling fund-level financial analysis, portfolio aggregations, and data quality diagnostics without requiring the client to write data access code.

MCP server for Russian government procurement data that enables AI assistants to search tenders, get detailed cards, and analyze customer/supplier history.

MCP server for downloading academic papers from DOI or title, resolving references, and generating citations. Supports batch downloads, multiple mirrors, and optional Unpaywall integration.

Facilitates real-time access to Singapore's Land Transport Authority (LTA) transportation data, offering insights into bus arrivals, train services, traffic conditions, and more through integration with the LTA DataMall API.

An MCP server that connects AI agents to over 200 tools across 27 Brazilian public APIs, covering economic, legislative, transparency, and judicial data. It enables users to query and cross-reference extensive government datasets from sources like IBGE, the Central Bank, and the Brazilian Congress.

MCP server for the Russian state registries EGRUL (legal entities) and EGRIP (individual entrepreneurs), built on official Federal Tax Service open-data dumps. Self-hosted via local SQLite.

Enables AI agents to autonomously discover, stream, and compute satellite analytics from free government Earth-observation catalogs such as Sentinel-2, Landsat, and Copernicus DEM, with zero API keys or configuration. It supports place-name geocoding, STAC scene search, cloud-native COG streaming for spectral indices, elevation profiles, SAR flood detection, and sandboxed custom geospatial scripts.

MCP server for Russian Rosreestr open cadastral data — lookup by cadastral number, address or coordinates; cadastral value with history.

MCP server for accessing Uruguay's IMPO open data API with SQLite caching. Provides tools to retrieve legal norms, search regulations, and access schema documentation from Uruguay's official legal database.

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.

Enables AI agents to autonomously discover, stream, and compute satellite analytics from free government Earth observation archives. Provides tools for STAC search, spectral indices, elevation profiles, SAR water detection, and sandboxed geospatial scripting.

Enables searching National Science Foundation award and funding data, including by award number, keyword, principal investigator, or institution, with no API key required.

MCP server for verifying Russian counterparties (legal entities and individual entrepreneurs) via public Federal Tax Service data: EGRUL/EGRIP, bankruptcy registry (EFRSB), Transparent Business, bailiff service (FSSP), and arbitration courts (KAD).

Provides seamless integration with NASA's public APIs, enabling AI assistants to access space and astronomy data including APOD, Mars rover photos, Near-Earth Objects, space weather events, and Earth imagery.

MCP server for accessing Sessionize event data. Query speakers, sessions, and schedules from any Sessionize-powered conference using natural language.