"Hybrid Memory Models Combining Relational, Graph, and RAG Approaches" matching MCP servers:

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.

Provides access to 529,000+ US statute sections across all 50 states and federal codes for comprehensive legal research. Supports semantic search, citation graph traversal, jurisdictional comparisons, and regulatory risk analysis through natural language queries.

This MCP server enables AI assistants to answer questions about government tenders based on the tenders' real documents, with citations to the exact document and page. It supports listing, summarizing, and querying tenders through natural language.

Enables Claude to retrieve and cite clauses from Korean national R&D manuals using RAG, grounding answers with accurate provision references.

Enables AI assistants to search NHTSA recall documents and query governed dbt analytics via validated, read-only text-to-SQL, returning citable evidence and data freshness without granting database or file access.

Enables natural-language question answering over Australian government policy documents with grounded, source-cited responses and a tool to list indexed documents.

MCP server for answering questions about official statistics from a single publication URL, with tools to check query scope, retrieve overview, text, data files, and search.

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

Enables AI assistants to validate and standardize US addresses using the official USPS Address Validation API with secure OAuth2 authentication.

Enables querying of Hong Kong government data on elderly community care services, such as waiting times and applicant counts.

A server for querying, practicing, and analyzing exam questions from Taiwan's national examinations, offering 20 tools including search, statute lookup, weak topic review, and readiness assessment.

Provides access to Hong Kong climate and weather data from the Hong Kong Observatory, including current conditions, forecasts, warnings, tides, and more.

Provides Hawaii cumulative hybrid and electric vehicle registration data from 1999 to present, enabling queries about EV adoption trends and counts per year.

Provides Maryland DMV monthly vehicle registration counts and electric/plug-in hybrid adoption by county and ZIP code, with accurate totals and flexible querying.

Enables search and analysis of European public procurement tenders, including EU above-threshold (TED) and below-threshold from 11 national sources, with hybrid search and filtering.

Query federal RFP, subaward, pricing, and vendor data from AI clients via 55 tools, including procurement contact graph and contract vehicle intelligence.

MCP server providing access to Malaysia's government datasets, dashboards, weather forecasts, and transport data through a unified search system and hybrid data access architecture.

Search EU legislation, CJEU case law, and treaties; traverse the CELLAR relationship graph; resolve EuroVoc concepts via MCP.

MCP server that turns the Czech business register (ARES) into an interactive force-directed graph of company management and ownership ties, allowing users to explore and expand the graph live within Claude.

A Model Context Protocol (MCP) server running on Cloudflare Workers. It enables AI models to query, structurally inspect, and perform RAG-based Q&A over Danish legislation published on Retsinformation.dk using their underlying LexDania XML.