"A JavaScript library for building user interfaces (React)" matching MCP servers:

An MCP server that exposes the Wunder Mobility v2 end-user API as tools, enabling clients to browse vehicles, manage rentals, and create reservations on behalf of a signed-in user.

Provides comprehensive building and office address information queries for enterprises in China, including fuzzy enterprise search, office address details and statistics, and building information queries to support geographical distribution and occupancy analysis.

An MCP server that gives AI agents clean, token-efficient access to US civic & property data — geocoding, census tracts, Opportunity Zones, ACS demographics, and FEMA flood zones — sourced entirely from free federal open data.

Exposes mobile system capabilities as MCP tools so AI agents can access clipboard, location, calendar, contacts, files, storage, networking, and device connectivity through standard transports. It applies permission policies and native adapters for integration into mobile apps without bundling an AI agent or host bridge.

Enables users to find books by keyword, ISBN, or author and check which branches hold copies of them and whether those copies are currently available for loan or when they are due back. Currently covers Shanghai's interlinked public library network of 900+ locations, with a design open to additional cities.

Cloudflare Worker that deploys an MCP server providing a single tool to return a user's timezone based on their IP address.

Search for local businesses worldwide. Structured data optimized for AI agents. • Search Millions of businesses over 49 countries (Europe, Northamerica, Southamerica, Asia, Oceania) • Quality & demand scoring for every business • Ranking based on real user click-through data • No API key needed, free access • Rate limit: 500 requests/hour per IP

Provides read-only query tools over OpenStreetMap data in PostGIS, enabling natural language queries for features, categories, and spatial analysis.

Search for local businesses worldwide. Structured data optimized for AI agents. • Search Millions of businesses over 49 countries (Europe, Northamerica, Southamerica, Asia, Oceania) • Quality & demand scoring for every business • Ranking based on real user click-through data • No API key needed, free access • Rate limit: 500 requests/hour per IP

Provides Estonian public transport timetables, trip planning, stop search, and real-time vehicle tracking.

Provides Google Maps functionality through Cloud Run, enabling route calculation, traffic analysis, route comparison, and trip cost estimation with rate-limited public access.

Enables a local Grok Bot to talk to the unofficial MySubaru API over stdio, supporting vehicle status, locate, tire pressure, fuel, odometer, climate presets, and explicit lock/unlock/remote start actions without exposing secrets.

Provides real-time access to Israeli emergency alerts from the official Pikud Haoref (Home Front Command) API. Enables AI assistants to check current alerts, retrieve alert history with intelligent city filtering, and monitor emergency notifications including rocket alerts, aerial intrusions, and earthquakes.

Enables AI assistants to access real-time Transport for London data, including tube/bus arrivals, line status, journey planning, and disruptions.

Official IPGeolocation.io MCP server for accurate IP geolocation, company information, ASN and network data, IP security (VPN, proxy, Tor, bot, hosting and spam detection), abuse contacts, time zones, astronomy, currency data and user-agent parsing. Its 17 tools support bulk lookups and cached-result pagination. Local stdio installation requires Node.js 22 or later. API plan restrictions apply.

Enables reverse geocoding of coordinates to country, region, and municipality with ISO 3166 codes, and matching against user-defined geofences.

A Model Context Protocol server that retrieves detailed geographic information about IP addresses using the ipinfo.io API, helping determine user location and network details.

Vacation-quoting MCP server for travel agents that turns plain-language client briefs into priced, bookable proposals with live hotel rates, activities, and dining, plus an assistant skill for building branded, printable quotes.

Provides Open-Meteo weather tools that return both structured forecast data for the model and a weather card (image link or text) for the user, plus geocoding of place names to coordinates. Requires no API key and works over stdio or streamable HTTP.

Enables AI assistants to query documentation, API references, code examples, and live ICGC style/layer configuration for building maps with mapicgc-gl-js. It also exposes changelog and README resources plus a map-creation prompt.

MCP server that wraps Kartverket's open APIs for Norwegian geographic data including place names, addresses, elevation, municipalities, properties, statistical districts, and building points. Requires no authentication.

Owner, APN and address lookup across 479 US counties (494 verified ArcGIS REST endpoints, all 50 states plus DC), plus city code-violation, building-permit and zoning-case datasets. No API key; built on public county GIS data.

Provides location-based place recommendations in South Korea using the Kakao Map API, optimized for Korean language queries. Supports recommending various places like restaurants, shops, public facilities, and tourist attractions based on user queries.

MCP server that connects AI models to Swiss federal geodata, offering tools for spatial queries like layer discovery, coordinate identification, building zones, and terrain heights.

Enables AI assistants to query real Polish real-estate transaction prices for flats, houses, and building plots from the official notarial registry. It returns median price per square meter, price ranges, room breakdowns, market type, yearly trends, and recent sales within a radius of any Polish address, street, town, or coordinates.

Enables any MCP client to calculate how many calories a user has earned by walking to a destination, then shows which nearby restaurants and dishes fit within that remaining budget. Blends official McDonald's nutrition data with estimated Chinese-restaurant nutrition values and real walking distances, exposing a walk allowance, nearby food lookup, eatability check, and concept explanation as tools.

Enables Claude, Codex, Cursor, or any MCP client to find restaurants in Japan by location, walking time, party size, private room, cuisine, budget, and seating window, returning real availability for the requested date. It books them in two steps through the user's own signed-in Chrome, preparing a summary and confirmation token first and placing the reservation only after the user approves it.

A step-by-step workshop for building an MCP server that provides weather tools to AI agents, enabling secure API key usage.

Allows agents to get the current location of the user based on their IP Address or to fetch the location of any IP Address.

An MCP server that provides AI agents with geospatial analytics by querying Overture Maps data directly from S3, enabling place analytics, building composition, land use classification, and transportation analysis.