"Identifying Servers Without Any API Key Configuration" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pay-per-use APIs for agents: web research, data lookups, and metered endpoints billed to credits.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Read-only Dutch vehicle knowledge, comparisons, terminology and cited sources for AI clients.
Brazilian foreign trade, crop and commodity data as a remote MCP server. Exports and imports from MDIC/ComexStat since 2000, by HS code (SH4/SH6/NCM) and partner country, in USD FOB and kilograms — plus crop production, supply-and-demand balances, climate readings and production forecasts for hubs such as soybean, coffee, corn, beef and cocoa. Every comparison is like-for-like: two windows of equal length, each labelled with the period it actually measures, and every answer names its window and its source. 15 read-only tools, metered in credits. Nothing to install: Streamable HTTP at https://mcp.kyrodata.com/mcp with a bearer key or OAuth 2.1 (PKCE). Official registry: com.kyrodata/kyrodata.
Read-only access to Floatout plans, launch guides and fee research for branded Hyperliquid perpetuals and prediction market DEXs. No API key required. Documentation: https://docs.floatout.xyz
Swiss commercial-register intelligence: Zefix/SHAB companies and publications with AI lead scoring.
Dutch gross-to-net salary and social security (WW, WIA, IVA) calculation engine for 2026.
Google Hotels search: rates, ratings, amenities and what each booking site charges, as JSON.
Privacy-first, cookieless web analytics: traffic, sources, pages, goals, funnels and site setup.
Daily 0-5 Pressure readings of the global macro field for AI agents.
AMZScout Skill + MCP gives AI agents live access to real Amazon marketplace data across 14 Amazon marketplaces. Analyze any ASIN, validate product ideas, research niches, compare competitors, discover profitable keywords, and build data-driven PPC strategies using trusted Amazon insights instead of AI assumptions. Works with Claude, ChatGPT, Cursor, and any other MCP-compatible AI client. To connect, you'll need an AMZScout API plan and authorize your account. Get access and view pricing here: https://learn.amzscout.net/amazon-product-api-for-ai-agents
Web research across search, Reddit, YouTube, local businesses, reviews, ad libraries and more. Every answer carries line-numbered citations; up to 1,000 rows per call without loading them into context.
DuckDuckGo search as JSON. Ranked results, ads in their own array, 37 regions.
Amazon keyword search, product details, seller profiles and seller catalogues, as structured JSON.
Cite42 gives AI agents AI visibility, citations, SEO keywords and trends, plus four weekly or monthly trackers: AI Visibility, AI Competitors, AI Citations and AI Sentiment. Use it over MCP from Claude, Codex or Cursor, or via the REST API. $1 free on signup, no subscription. Learn more at https://www.cite42.dev
The hockey API for stats, odds, and everything between. REST API and MCP server. Free to start.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
The public product catalogue and collections of any Shopify storefront, as structured JSON.
Read-only research pilot catalogue: task templates, resources, starter studies, capability status.
FirmLedger: search and verify businesses. Free needs no key; Pro adds contacts, news, jobs.