"UML diagram generation tools and software like Mermaid or Visio" matching MCP servers:

An MCP server providing tools for weather, calculations, currency conversion, timezone queries, and unit conversions.

A local MCP server that integrates FastMCP with OpenAI to enable natural language queries for current weather, forecasts, and currency conversion using ExchangeRate-API and Open-Meteo.

Provides 15 geospatial utility tools for AI agents, covering coordinate transformation, spatial data validation, elevation/terrain, viewshed analysis, and drone flight planning.

MCP server that enables AI assistants to search for rental cars, query prices, and access map services using the AMAP API.

An MCP server that provides a tool to query Brazilian postal codes (CEPs) via the ViaCEP API, returning address details such as street, neighborhood, city, and state.

Provides five utility tools: weather information, calculator, currency converter, timezone information, and unit converter.

Provides AI agents access to OpenStreetMap's comprehensive tagging knowledge base, enabling tag queries, preset discovery, and validation of OSM tags for mapping applications.

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

Provides IP address geolocation and related info via an API, with MCP server integration for easy use in AI tools.

Read-only MCP server for vessel identity lookup, AIS-style positions, tracks, port calls, carrier schedules, vessel schedules, and delay heuristics with source attribution and BYOK provider support.

Provides access to comprehensive weather data including real-time conditions, forecasts, historical weather, marine data, astronomy information, and weather alerts through the Weatherapi.com API.

Provides access to Google Maps API functionality including places search, geocoding, directions, distance matrix, elevation data, and static map generation through the MCP interface.

Enables querying current date and time information by city/state/country, geographic coordinates (latitude/longitude), or timezone using the API Ninjas World Time API.

Provides access to real-time and historical flight data from Flightradar24 API, enabling users to track live aircraft positions, query flight histories, and retrieve comprehensive aviation information including aircraft, airline, and airport details.

Enables access to Google Maps business data including search, reviews, photos, and geocoding. Supports searching businesses by location, area, or coordinates, retrieving detailed business information, reviews, and performing reverse geocoding operations.

Provides access to the GeoDB Cities API for retrieving global geographic data including city details, populations, and local time. It enables users to find nearby locations, calculate distances between places, and browse administrative divisions across countries.

Enables geocoding and reverse geocoding operations to convert city names to coordinates and coordinates to location names using the API Ninjas service.

Provides access to the City By Api Ninjas API to retrieve detailed city information worldwide. Users can search and filter results by name, country, population range, and geographic coordinates.

A self-contained MCP server that gives AI agents the ability to calculate high-precision astronomical data. It provides tropical zodiac coordinates, planetary speeds, retrograde detection, and house cusps using the trusted Swiss Ephemeris engine. 100%

Enables accessing Yelp Business API to search businesses, get reviews, menus, and business details.