"CAE Key for Electronic Invoicing in Argentina" matching MCP connectors:

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.

Research-only MCP server that turns your AI into a quant research desk: describe any strategy in plain English, get a real backtest with institutional metrics and a verifiable audit bundle. No trades and your AI never writes the code, so it can't fool the numbers.

Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

Structured aquarium, marine, terrarium and paludarium data for AI agents.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

Product search and price comparison for AI agents. Search 100M+ products across thousands of retailers by text or image, compare live offers and prices, and turn any merchant URL into structured product data. No API key required to start; add one for unlimited use and affiliate commission.

Read-only fantasy analysis for ESPN, Yahoo, and Sleeper leagues via MCP

Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.

Send a shoot's worth of scripts to the Daily Studio teleprompter on iPhone, in one link.

Free, keyless real-time currency conversion and exchange rates for any currency pair.

Free, keyless real-time weather and 7-day forecasts for any city worldwide.

Free, keyless public holidays lookup for any country and year, plus single-date holiday checks.

In-flight WiFi: provider by flight, airline or tail, measured speeds, Starlink rollout.

Deploy websites from AI agents. Free at mcp.shipstatic.com. Install for the full toolset.

Sailing passage planner for any coast, with high-precision tides on the French Atlantic.

The official Svelte MCP server providing docs and autofixing tools for Svelte development