"Using npx to run tools directly without requiring an API" matching MCP servers:

Enables AI assistants to convert recipe amounts between volume and weight for specific ingredients using measured densities, scale recipes, and convert oven temperatures, with source citations and alternative published values.

Enables access to Zillow real estate data through the Zillow Working API, allowing users to query property information and listings.

Gives Claude direct access to the Africa API for comprehensive data on all 54 African nations, including economic indicators, markets, trade, government, elections, and policies.

Defeatbeta API is an open-source alternative to Yahoo Finance's market data APIs, designed to provide reliable and high-performance financial data.

Enables AI assistants to look up, filter, and shortlist 221 curated AI tools by industry, department, pricing tier, or free-tier availability over remote Streamable HTTP without authentication.

Enables users to check a site, e-mail, phone number, IBAN, or SIREN against public sources and receive sourced anti-scam signals in French. The same checks are available remotely over MCP and locally via stdio, sharing the HTTP API's key and quota.

An MCP server that enables AI assistants to call weather tools, read resources, and use prompt templates for live weather data integration.

MCP server that provides tools to query Korean financial products (savings, deposits, pensions, mortgages, loans) via the FSS Open API, enabling search by company or product type.

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 assistants to verify citations, check retractions, search papers, format bibliographies, run PRISMA 2020 screening, and find open datasets and research software using open databases.

Enables Claude Desktop and Claude Code to query Korean KIPRIS Plus and European EPO OPS patent data for bibliographic details, family members, legal status, claims, descriptions, abstracts, and search results using each user's own free API keys.

Provides a read-only API over a book catalogue, offering tools to search books, retrieve book details and series, and inspect provenance and source agreement data.

Public leads and enrichment — NPI, podcasts, local businesses, hiring, websites, teams, trends, trucking (15 MCP tools).

Gateway connector between LLM agents and world data, providing access to financial market prices, macroeconomic indicators, and news through a bundled endpoint catalog.

Provides AI agents with Korean national fiscal data (budgets, settlements, and fiscal programs) from multiple government APIs through 7 tools, enabling natural language queries.

Index of Panda Federation public-data MCP tools. Prefer a focused domain server (research / public-funding / leads / web-security); this mega-server is the compatibility surface.

Enables access to current inflation data including monthly and annual inflation percentages using CPI (Consumer Price Index) or HICP (Harmonized Index of Consumer Prices) indicators through the API Ninjas Inflation API.

Enables AI assistants to look up US census tract, block group, block, county FIPS, and legislative districts from a street address or latitude/longitude via the Census Geocoder, and to decode census GEOIDs offline.

Enables AI assistants to convert raw and cooked weights for meat and poultry by cut and cooking method from USDA data, calculate how much raw meat to buy for cooked servings, and look up cooking yields and sample ranges.

High-value scientific tools for AI agents — literature search (PubMed, arXiv, Semantic Scholar), chemical compound lookup (PubChem, ChEMBL), patent prior art search (USPTO, EPO), GPU spot prices across 4 providers, and real-time earth science data (USGS, NASA, OpenAQ). Per-call billing via API key. Keys issued instantly at https://mcp-site.com/keys/request

ai-api-pricing-data MCP server

A Model Context Protocol server that connects AI assistants to Brazilian public data services, providing access to postal codes, company registrations, bank information, area codes, IBGE data, currency exchange rates, and domain registration status.

Enables MCP-compatible AI clients to look up UK postcode details, find nearest postcodes by coordinates, and retrieve upcoming bank holidays through keyless public APIs.

Provides access to the Nutrition By Api Ninjas API to extract detailed nutritional information from natural language food queries. It enables users to retrieve data such as calories, vitamins, and macros from text descriptions of meals.

Enables users to search for and retrieve detailed information about celebrities from the API Ninjas database. Supports filtering results by name, nationality, net worth range, and height.

Enables AI agents to look up US NHTSA and EU Safety Gate car recalls and complaints, compare a model's years by risk score, check UK MOT failure rates, retrieve EU vehicle specifications with WLTP CO2 and fuel consumption, and verify Cyprus company records, EU VAT numbers via VIES and LEIs. It draws only on official open data and is hosted through Apify, so nothing needs to be installed.

Wraps the API Ninjas multi-endpoint data API, enabling AI agents to access a wide range of data sources through natural language queries.

an api wrapper for the us government info api

Live normalized remote-job data across 5 boards — one keyless endpoint, one schema, skill fit-score. No API key required. Tools: search jobs by skills + salary floor, live market stats, and computed salary bands.

Enables LLMs to query Brazilian public data such as CEP, CNPJ, DDD, exchange rates, banks, and holidays via the Model Context Protocol.

Enables Claude to retrieve Japanese statutory articles, including past versions, Diet meeting speeches, and corporate entity information directly from official public APIs with citations.

A comprehensive MCP server that exposes multiple OSINT tools to AI assistants like Claude, enabling sophisticated reconnaissance and information gathering tasks using industry-standard OSINT tools.

Provides Steam concurrent player trends as JSON, offering monthly player time series, growth rates across 3M/6M/12M/5Y windows, and live most-played feeds via a single REST endpoint, without needing a Steam Web API key.

A modular, scalable news aggregation backend that provides a unified interface to TheNewsAPI for retrieving current and historical news articles with advanced filtering capabilities, designed specifically for consumption by AI agents.

Search, localized specs (180 spec types across 19 categories), compare, and structured filters over 102k+ vehicle variants in 19 languages, from cars-data.com.

Enables AI assistants to fetch dog breed data, including descriptions, attributes, and group information, via the Dog API through natural language queries.

Enables querying weather, country information, exchange rates, public holidays, and dictionary definitions by wrapping public APIs as MCP tools over stdio.

Enables interaction with the Dog API through natural language, supporting operations like listing breeds, fetching images, and more.

Enables searching and retrieving structured data from the RapidAPI marketplace, including API details like pricing, popularity, and ratings, without requiring a RapidAPI account.

Enables resolving the likely employer behind Gmail, Outlook, iCloud, Yahoo, and other free-mail signups by checking public Gravatar profiles, signed GitHub commits, and LinkedIn results. It returns the person’s name, employer, employer domain, confidence score, and evidence URLs.