"Search functionality without API key requirement" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Indeed job listings by keyword and location, and full postings, as structured JSON.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Resolve scholarly identifiers (DOI, PMID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into citations (10,000+ CSL styles) and exports (BibTeX, RIS, EndNote...), plus retraction, open-access, and citation-fabrication checks. Six tools, anonymous-friendly Streamable HTTP.
Explore public CD, money-market, Treasury and municipal rate records with data dates and source links. Compare options and build illustrative fixed-income ladders. No BrinkerAdvisor account or API key required. Public information only; no account access, trading or personalized investment advice. Documentation: https://mcp.brinkeradvisor.com/support
Google Trends interest over time, by region, and related queries and topics, as JSON.
Free, no-auth connector on French real estate public data: price per square meter by municipality (DVF), market summaries (rent, yield, price trend, ABC zoning), and urbanism/permit requirements for renovation projects.
MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.
Search otwarteAPI.pl — a catalog of 53 official public Polish and EU APIs (VAT white list, KRS, GUS, NBP, ECB, Eurostat, VIES and more), curated for AI agents. One tool: find the right API by natural-language query. No API key, no signup.
Verified data on 8,000+ AI tools for any AI assistant: live status, pricing reality, user sentiment, viability, and alternatives, every answer carries a last-verified date. Free, read-only, no auth.
Access the latest technology news from NewTqnia.com through the Model Context Protocol. Search articles, retrieve structured news content, browse categories, tags, and timelines, and access authoritative technology reporting for AI assistants, research, and automation.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.
Sourced carbon emission factors + audit-traced calculations an AI can cite.
Search US product recalls (FDA, USDA, CPSC) via MCP. Free API keys or $0.025 USDC/call on Base via x402. Tools: search_product_recalls, search_product_recalls_by_upc, search_product_recalls_from_image. Docs: https://recallkitchen.com/docs/ GitHub: https://github.com/Recall-Kitchen/rk-mcp
Danish company register (CVR): look up any of 860,000+ active Danish companies, search by name, and get parsed annual-report financials as structured JSON — sourced live from the official registry.
US government data as clean JSON for AI agents: SAM.gov contract opportunities, USAspending awards, Grants.gov grants, House STOCK Act trades, and SEC EDGAR filings (Form 4 insider trades, 8-K events, 13F holdings, 13D/G stakes, XBRL fundamentals, 10-K/10-Q sections). 19 read-only tools. Data is as fresh as each source publishes; congressional trades lag up to 45 days and report dollar ranges (House only). Free tier, no card.
Brazilian business aviation: registry, owner, flights, base, market, maintenance and sale signals.
Search disc golf discs, compare Speed/Glide/Turn/Fade flight ratings, and find similar alternatives across brands. Free, public, read-only.
