"Understanding and Using JSON" matching MCP servers:

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.

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

Searches US colleges and scholarships using government data, enabling comparisons of tuition, debt, earnings, and program-specific outcomes.

Enables searching for EU public-procurement tenders, analyzing cross-border risk, and understanding tender details through tools for CPV code lookup, EU threshold checks, red-flag scanning, and SME fit scoring.

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.

Enables any MCP client to discover and query official Catalonia statistics through read-only tools and resources, including statistic catalogues, table metadata, filtered JSON-stat data, territorial breakdowns, and Markdown tables with source attribution.

MCP server providing access to Spain's National Statistics Institute (INE) Tempus3 JSON API, enabling querying of Spanish statistical data through natural language.

Queries Korean apartment sale transaction data (RTMS) by region code and contract date. Optimized for token efficiency with compressed JSON and Korean field names.

MCP server that issues Certidão Negativa de Débitos e Dívida Ativa da União for rural properties using the CIB, enabling debt status checks through natural language.

Enables AI agents to search, inspect, and retrieve Irish Central Statistics Office PxStat datasets through MCP tools. Supports catalog search, metadata discovery, full-table reads, and filtered JSON-stat queries.

Enables AI assistants to search, preview, and query Ireland's public-sector open data catalogue, including CSV, Excel, JSON, GeoJSON, and JSON-stat resources. It supports filtering, grouping, counting, summing, and sorting datasets conversationally without manual downloads or cleanup.

Enables searching and querying Pierce County Open Data datasets via Socrata API, returning metadata and query results as JSON.

MCP server providing normalized JSON APIs for Korean public data, including holidays, business days, and real estate transactions.

Enables querying Swiss land and woodland regulations including land acquisition rules (BGBB), forest protection laws (WaG), spatial planning zones (RPG), and agricultural leases (LPG). Provides AI assistants with searchable access to federal land law for farmers, notaries, and spatial planners.

Enables searching and retrieving German public procurement notices as normalized JSON, with per-call payment via x402 (USDC on Base) and free sample and stats tools.

Enables AI agents to look up and validate hazardous materials shipping descriptions using public 49 CFR citations, providing structured JSON with proper shipping names, hazard classes, labels, and regulatory references.

Enables searching the Federal Energy Regulatory Commission's public docket and document record, with full-text search across dockets and browsing of document class types, via a keyless JSON API.

Enables querying Dubai real-estate data from the Dubai Land Department, including property transactions, rental contracts, valuations, development projects, land parcels, buildings, and licensed broker/developer registers.

Emits municipal negative debt certificates (Certidão Negativa de Débitos) for individuals or companies using CPF/CNPJ, municipal registration, and municipality. Read-only MCP server with one tool, works with any MCP client over HTTP.

Queries South Korean building register data (e.g., floor area, parking, seismic design) via a single unified tool, converting API responses to Korean field names for easy AI understanding.