"Finding MCP servers with high ratings and no API key required" 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.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Primary-source SEC filing intelligence and financial/disclosure reconciliation for AI agents.
Film/TV public-record rights intelligence for AI agents with provenance and bounded verification.
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.
Amazon research from AMZScout data: analyze products & niches, keywords/PPC, and brand catalogs.
Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).
Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Bitcoin research for AI agents: free answers, specialist Q&A, verification, evidence, timelines.
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.
Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.
Trailing & calendar-year returns for 32,000+ US mutual funds & ETFs — fund performance by ticker.
The public product catalogue and collections of any Shopify storefront, as structured JSON.
Ship models, build logs, tutorials, galleries, public URLs, and contextual content search.
Read-only discovery for 418 Malaysian public datasets with freshness, licence, and provenance.
Walmart search, product pages and customer reviews on walmart.com and walmart.ca, as JSON.