"MCP servers that don't require API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Real Amazon (US, UK, DE, CA, AU) & Walmart shopping data for AI assistants: ranked product shortlists, current prices, live stock, real ratings, and price/BSR history from a 17M+ product warehouse. Free hosted endpoint, no signup — 30 queries a day.
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Cheapest legit PC and console game keys across stores in 40 countries, plus deals and free games.
Onchain DeFi intelligence API for Base, payable per call with x402 (USDC). Live MCP tools: get_bot_status (Telegram bot health), get_market_stats (market snapshot), get_onchain_sales (proven revenue from live x402 routes). Built for agents that need verifiable onchain data — whale flow, signals, and sales evidence at $0.003/call.
Find SaaS, AI and developer tools and their alternatives in the SitePatent directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
Find SaaS, AI and developer tools and their alternatives in the MEDIAPRONET directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
Find SaaS, AI and developer tools and their alternatives in the CodeTrendy directory: keyword search, alternatives to a product, listing profiles, categories, trending and Site of the Day. Free, read-only, no API key.
An open MCP server for the Portuguese housing market, run by flatin.pt. No API key, no registration, no rate-limit negotiation. Twelve tools: • imt_calculate — IMT and Imposto do Selo on a purchase, 2026 tables, including the reduced table, the relief for buyers aged 35 or under and the flat rate for non-residents • imi_rate / imi_annual_cost — the IMI rate of any of the 308 municipalities for 2023–2025, and the annual bill for a given VPT • construction_barometer — how many building-permit cases enter a town hall each month (our own indicator: monthly for three municipalities, annual for eight, method and revision policy published) • search_newbuilds / get_newbuild — 250 new developments, 53 municipalities, 71 developers, with stage and, where published, price • where_to_live / municipality_stats / compare_municipalities — municipal comparisons • glossary_lookup — Portuguese property and tax terms • request_consultation / subscribe_digest — reaching a human The data behind the tax tools is published as open data under CC BY 4.0 on the Portuguese national portal (dados.gov.pt) and archived on Zenodo with a permanent DOI. Anyone may reuse it. Humans, not bots, answer the people who get in touch: a home purchase involves personal data under the GDPR and decisions that cannot be refunded.
Modded Minecraft: which mod crashed, where to get a mod for your version, which mods work together.
Forecasts, official weather alerts, air quality, 20 years of history, and PV and wind production, via the Meteosource API. Hosted, with your own API key.
External checks of TLS, HTTP headers, email domain, DNS and ports, with cause and fix
Execution control plane for agents: capabilities, durable jobs, budgets, receipts, and BYOK.
Open AI models through one OpenAI-compatible API: chat, live model list, prices and cost estimates.
Savvly MCP: query fund data, model projections, and compare against alternative retirement products.
Free perfume MCP server and fragrance API: 5,400+ perfumes, note pyramids, accords, similar scents.
FalaAI API MCP server: transcribe audio, diagnose conversations, audit compliance (ISO 18295-1).
Find local businesses across Cape Town, the Winelands and the rest of the Western Cape. Search by service or name, see menus and price lists in rand, then start a booking, quote or order in WRDO.
Design quality gate for AI-generated UI: score any URL on 45 deterministic checks, A–F grade.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
12 free MCP tools for local validation of emails, URLs, IP addresses, IBANs, dates, UUIDs, JSON and other structured inputs. No API key or external verification service required.
