"Free Network Graph Visualization Tools (No Account Required)" matching MCP servers:

This MCP server provides accessibility risk assessment for Seoul subway trips, considering wheelchair, stroller, and other mobility constraints. It offers tools to check station facilities, elevator status, and calculates risk scores for routes based on a deterministic engine.

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

Enables real-time one-way and round-trip flight searches from any MCP client without an API key or account, returning live fares, historical price insights, and bookable links supported by disclosed sponsored cards.

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

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.

A free MCP server that lets Claude search Rakuten products, compare prices, and book business hotels using natural language, with no API keys required.

Browse, compare, and purchase eSIMs for 190+ countries via AI agents. 12 tools for searching 2,300+ data plans, checking coverage, and buying eSIMs with crypto or card. No account required for browsing.

Gives language models weather tools for place search, multi-day forecasts, and location comparison, with no API key or configuration required.

MCP server for SYMONE — search motorcycle transport routes in France. Paris↔Marseille from 299€. No auth required.

Provides Claude Desktop with custom tools for math, web search (DuckDuckGo), Wikipedia, ArXiv, and simulated Airbnb searches via MCP.

Live USPS, UPS, FedEx and DHL Express parcel rates from a US origin, domestic or to Canada, the UK, Germany and Australia, from a plain-words item description: no scale, no account, no API key. Also creates checkout links, reports checkout status, tracks parcels bought on smklog.com and serves a monthly US parcel price index.

The world railway atlas as read-only MCP tools: search 744+ legendary train routes (high-speed, classic, night, scenic) and get per-route facts, rankings and journey times. Runs from the repo's open dataset (CC BY 4.0); a free hosted endpoint is also live at https://trainrouter.com/mcp.

Google Hotels MCP server via direct RPC — no scraping, no browser automation. Three tools: hotel list search (16 filter slots: stars, price, amenities, brands, free cancellation), per-OTA rate plans and cancellation policies for a single hotel, and parallel top-N enrichment. One-command setup for Claude Code, Codex, and ChatGPT

Free, no-login MCP server for searching and comparing flights with real-time pricing from multiple airlines and booking platforms worldwide.

MCP server for Chelaile realtime public transit data in China, including bus and metro arrivals, vehicle positions, nearby stops, timetables, and route planning. It runs locally over stdio with no login or account configuration required.

Live Japan seasonal travel data from Japan Meteorological Corporation. 12 tools covering cherry blossom (sakura) forecasts, autumn leaves (koyo), fruit picking, flowers, festivals, and 3-day weather. 1,700+ GPS-tagged spots updated daily at 9AM JST. Works via npx or hosted HTTP endpoint — no auth required.

Buy and manage a global eSIM through chat. One universal eSIM for 192 countries, per-MB billing in USDT or USDC across TRON, Solana, BSC, Polygon, Optimism, Arbitrum, TON. Anonymous-flow by default — no account required.

Persistent, shareable travel workspaces for AI agents. Build a complete itinerary as a private map link and hand it to the person — usable on their behalf where signup-walled travel tools are not. Six tools, no API key, no account. The trip rides in the link's fragment, so nothing is stored server-side. Hosted at https://thistripbtw.us/mcp — zero install — or npx thistripbtw-mcp over stdio.

Enables AI assistants to connect to the AwardMath travel points optimizer, turning wallet balances and travel goals into up to three verified, explainable award-booking plans with exact transfer steps, required points, and fees.