"An overview of knowledge graphs" matching MCP servers:

MCP server for LINDAS, the linked-data knowledge graph of the Swiss administration, enabling querying of Swiss public data cubes via guarded SPARQL tools.

Enables AI agents to query German federal and state statutes, court decisions, and citation graphs, grounding citations, retrieving provision texts and versions, and understanding coverage limits through read-only tools.

Deterministic SNAP eligibility logic, exposed as auditable Model Context Protocol tools. An AI agent can read, reason, and orchestrate, but the eligibility determination itself is made by versioned, tested, cited code that a caseworker, an auditor, or a court can inspect.

Search and collect data from the National Assembly Library of Korea's OpenAPI (21 DB types) and export to xlsx/csv/json/sqlite.

An MCP server that searches grant opportunities across multiple CommonGrants-compliant APIs from a single set of tools.

One-call Australian health and welfare data plumbing via AIHW — cited responses for practical analysis, not a data broker.

Provides access to Victoria, Australia's public holidays and important dates via an MCP server.

Enables AI assistants to search, explore, and query any CKAN open data portal through natural language, making public datasets accessible without requiring knowledge of the portal's API.

MCP server that enables AI chatbots to search, explore, and obtain download links for datasets from the Republic of Azerbaijan's Open Data Portal (opendata.az).

Provides verified ANZ public holidays, school terms, and business-day calculations for all 9 regions of Australia and New Zealand, backed by data for 2026 and 2027.

MCP server providing comprehensive Korean legal data access (laws, precedents, regulations, ordinances) with citation verification, temporal comparison, impact graphs, and legal research workflows.

An MCP server that connects Claude to the USAJobs API, enabling natural language search for federal jobs, translation of government jargon, CV qualification analysis, and explanation of federal concepts like GS grades and clearances.

Provides live access to Canadian economic data via the Bank of Canada's Valet API, including exchange rates, policy interest rates, CPI, bond yields, and commodity prices.

MCP server for Australia's Federal Register of Legislation. Enables searching and fetching Commonwealth Acts with verifiable citations.

A money-in-politics knowledge graph, as an MCP server. It links entities across federal campaign donations, lobbying disclosures, and government contracts.

MCP server to query Vietnamese law (legal code and case law) with full-text search supporting diacriticless input, enabling retrieval of articles, chapters, subjects, and precedents via Claude.

An MCP server providing structured intelligence about the EU AI Act, including risk classification, deadline tracking, obligations, penalties, and article lookups.

Enables an AI client to search Australian federal and South Australian government open data catalogues, inspect a dataset file's schema and sample rows, then run read-only SQL over the full file in a sandboxed DuckDB. Every answer carries the source URL, publisher and licence, with extra tools for ABN checksum validation and Australian financial-year dates.

Public-record corpus of AI litigation, regulation, and enforcement, anchored to EveryAILaw.

Enables AI agents to access Brazilian statistical, geographic, and economic data in real-time via IBGE public APIs.