"A guide to finding data in public databases" matching MCP connectors:

Search domain availability and pricing, straight from chat, then open a link to register.

Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.

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

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

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

Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.

Agent-first onboarding to Smarter Weather: plans, docs, signup, API keys, MCP config, billing.

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.

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.

Shared memory for AI agents. One address per fact, one signature you check. No key to read.

Score any URL against a real design contract — 40 checks, A-F grade, token + motion validation.

Source discipline for Torah study in Claude: read the real texts, quote exactly, never fabricate

Real-time booking for Korean beauty & wellness shops — search availability, get a booking link.

An agent-friendly API for product changelogs. A unified registry via CLI, API, or MCP.

Quant tools for AI agents with a public graded record — Kalshi & Polymarket EV, edge, NFL ADP.

California school data for AI agents — scores, profiles, comparisons, feeder paths, UC pipelines.

Read-only access to the Islam West Africa Collection via Hugging Face datasets.

Shopping search across 100M+ products, with every retailer's offer and live price in one place.