"Automatic Data Visualization Tool (No API Key Required)" matching MCP servers:

Turns your PDFs into locally stored flashcards and quizzes, grades your answers, and schedules spaced-repetition reviews entirely on your machine.

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

A single MCP server that transparently routes user requests to 83 open-data sources with built-in discovery and autonomous plugin creation.

Provides Claude with access to NYC public property data including property details, sales history, comparable sales, tax benefits, and rent stabilization analysis using natural language.

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

Provides real-time cryptocurrency prices, market cap, and 24h change using CoinGecko, with free access and no API key required.

MCP server for B2B lead generation and company search using the Generect Live API. Provides tools to search leads, companies, generate emails, and get lead by URL.

MCP server delivering interactive MCP Apps UI for Megamarket shopping, enabling search, product details, cart, and checkout through native interfaces within the chat.

OpenVan.camp MCP server: road-trip and vanlife travel data for 200+ countries. 29 read-only tools: whole-trip roadbook (plan_road_trip), fuel prices and route cost, tolls, visa and vehicle-import rules, customs, holidays, hazards and wildfires, power plugs, weather scores, food prices, currency rates, events, news and license plates. No auth. Remote: https://mcp.openvan.camp/mcp

The best free social media publishing and scheduling API. Publish to 11 platforms from a single API call. Schedule posts, upload media, track analytics, and automate your social media workflow.

Exposes structured documentation for 200+ Trimble Connect API endpoints and provides tools for AI-assisted development of Trimble Connect extensions and applications.

Enables real-time domain registration lookups via RDAP, including availability, expiration, and registrar details, with no API key required. Supports natural language queries like 'is example.com available?' or 'when does example.com expire?'.

Provides real, official public holiday data for ~100 countries with tools to list holidays for a year and check if a specific date is a holiday. Free, no API key required, powered by Nager.Date.

Provides live product search, offer comparison, and price history retrieval from BestPrice.gr through three read-only tools, enabling AI applications to query shopping data without an API key.

Provides real-time weather temperature queries for any city with an interactive UI form, using Open-Meteo API (no API key needed).

Thin MCP wrapper around the SQD Portal API for blockchain data queries across multiple networks including EVM, Solana, Bitcoin, Substrate, and Hyperliquid. Provides 25 public tools for discovery, cross-chain queries, and chain-specific operations.

Enables AI assistants to look up futures prop firm rules with each rule's verification status and cited source, run 217 tested technical indicators and candlestick patterns, and compute Setup Odds for intraday setups on the user's own bars, all through read-only tools that need no account or API key.

Provides Claude with real-time access to markets, research, X/Twitter, and crypto data via a unified pay-per-call system with no API keys.

Enables saving, searching, retrieving, linking and importing AI work as plain markdown files with automatic provenance in a local folder the user owns. Runs entirely on the user's machine with no account, key or network calls, and never deletes anything.

Interactive visualization of Microsoft Entra ID identity relationships, enabling exploration of org charts, groups, attributes, and access assignments through a D3 force-directed graph within MCP clients.