"A server for interfacing with existing APIs using natural language" matching MCP servers:

MCP server providing official US economic data including CPI inflation, famous prices, national debt, and Treasury interest rates. Enables AI agents to query historical and latest economic statistics via natural language.

MCP server exposing all major Swiss official public APIs as native tools for any MCP-compatible AI agent.

Provides AI assistants with specialized tools to interact with NIST's Open Security Controls Assessment Language (OSCAL) framework. It enables agents to retrieve schemas, explore models, and generate valid OSCAL documentation for security compliance automation.

MCP server that silently monitors state changes in structured data sources (e.g., government open data) and provides a pull-based channel for AI agents to retrieve real mutations since their last cursor.

Torify gives AI agents the Japanese locale primitives that standard libraries lack — imperial era date conversion (wareki), qualified invoice number validation with NTA registry lookup, corporate number lookup (法人番号), postal code resolution, name romanization (Hepburn), and kanji-to-kana conversion via Yahoo! JLP. 31 endpoints total. No authentication required for MCP. Pay-per-call $0.02/call via

MCP server for OFAC SDN sanctions screening. Check names against US Treasury sanctions lists with automatic cache refresh. No API key needed for the check itself.

A Python FastMCP server that re-exposes Kindora's public funder and grant tools for ChatGPT, enabling grant discovery from IRS 990 filings and Grants.gov.

Enables users to search and query information about military service alternative companies in South Korea through the Military Manpower Administration (MMA) API. Supports filtering by service type, industry, company size, location, and recruitment status.

Exposes Denmark's Statistical Bureau API as programmable resources, making it easy to integrate with language models and modern AI applications to enable natural language queries for statistical data.

Finds companies registered at JUCESP from a partner's name, CPF, or CNPJ, returning the NIRE of each participation. It is a read-only MCP server hosted at api.mcp.ai.

Enables natural language access to Denmark's Statistics API (Danmarks Statistik), allowing users to query and analyze Danish statistical data without coding knowledge through AI-powered interactions.

Read-only MCP server for the Ukrainian state auction platform Prozorro.Sale. It enables users to search auctions, retrieve detailed information, timelines, results, documents, and analyze market trends through natural language.

An MCP server that provides access to Japan's central and municipal subsidies, covering over 20,000 municipal grants not exposed by official APIs, with tools for search, comparison, citation verification, and practitioner referrals.

Enables AI assistants to check passport visa, entry, and transit requirements for a country pair using official government sources and a deep link to EasyOnward.

MCP server for the NIST National Vulnerability Database — lets AI assistants search CVEs by keyword, severity, CPE, CWE, KEV status, and date range via natural language.

Enables natural language discovery, querying, and analysis of Thailand's official statistics from the National Statistical Office via SDMX REST API. It provides tools for searching dataflows, exploring structures, and fetching data with caching and bilingual support.

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 for Nordic company registries. Verify companies, check board members, signing authority, and financial data across Norway, Denmark, Finland, and Sweden using official public APIs. 23 tools covering search, details, roles, and batch lookups.

Enables LLMs to query real-time Indian bank branch details, postal PIN codes, validate GSTIN/PAN structures, check e-commerce serviceability, and compute GST breakdowns using free public APIs and offline verification logic.

Integrates SAM.gov, USASpending.gov, and Tango APIs to enable natural language queries for federal procurement and spending data, providing both human-readable and structured JSON outputs.