"Techniques for improving prompt effectiveness" matching MCP servers:

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.

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.

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.

MCP server for structured Australian macroeconomic and financial data from the Australian Bureau of Statistics (ABS), the Reserve Bank of Australia (RBA), and the Australian Prudential Regulation Authority (APRA).

Facilitates retrieval of National Park Services data using the NPS API, allowing users to list national parks by state and access detailed information about specific parks.

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.

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

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.

Enables live searching of licensed San Francisco preschools and child care centers, computing ELFA subsidy eligibility and net out-of-pocket costs, and generating ranked recommendations with deterministic scoring versus LLM comparisons.

Discover and query CDC public health datasets via the Socrata SODA API. Provides tools for dataset discovery, schema inspection, and SoQL queries, plus resources and a guided prompt for health trend analysis.

Brazilian foreign trade from MDIC/ComexStat -- exports and imports since 2000 by HS code (SH4/SH6/NCM) and partner country, in USD FOB and kilograms -- plus crop production, supply-and-demand balances, climate readings and commodity forecasts for hubs such as soybean, coffee and beef. 15 read-only tools, remote at https://mcp.kyrodata.com/mcp; official registry com.kyrodata/kyrodata.

Unified MCP server for Polish legal data, enabling search and retrieval across case law, legislation, company register, tax rulings, public procurement, and EU sources through four aggregated tools.

Enables searching the NIAID Data Ecosystem for biomedical research resources including datasets, clinical studies, and publications using Elasticsearch queries.

An MCP server that gives Claude access to Canada's public procurement data from CanadaBuys, enabling search for tenders, awards, and spend summaries with traceable sources. It provides five tools: search_tenders, get_tender, search_awards, summarize_spend, and export_report.

MCP Server for Canton Zurich legislation (ZH-Lex) — full-text search, article extraction, and education law tools for ~970 cantonal laws.

MCP server for searching Korean public procurement bid notices (나라장터) using natural language.

Enables natural language queries about Swiss mandatory health insurance coverage for medications and medical devices using official BAG lists.

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.

The company registry MCP: company data for AI agents, any country. One MCP server and REST API over national business registries — Norway (Brønnøysundregistrene / Enhetsregisteret, lookup by organisasjonsnummer/orgnr, VAT status) and the United Kingdom (Companies House, lookup by company number, accounts and confirmation-statement deadlines). Five tools: lookup_company, search_company, company_dea