"Web search tools and methods that don't require API keys" matching MCP connectors:

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Search Vascue's public healthcare-ops, insurance-claims and booking docs. Public content only.

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

Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits

Search Vascue's public healthcare-operations, insurance-claims and clinic-booking documentation. Public content only; never send patient data, credentials or booking requests.

Semantic search over 3.5M+ live US job postings pulled straight from company ATSes. Read-only.

SEO research SaaS exposed as 30+ MCP tools. Forge niche analysis, plans, and writer-ready briefs.

Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

Government tender search for AI agents. UK, EU and US procurement opportunities.

Read any page or file as clean text, plus live news, weather, market holidays and timezone lookups for agents. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Russian company lookup (EGRUL/INN), Cyrillic search, RU page to Markdown. Pay per call in USDC.

Scores a business's online presence 0–100 and names the top issues to fix — search visibility, whether AI assistants can read and recommend it, speed and first impression, trust, and how easy the business is to reach. Give the scan_website tool a URL and it returns the score with the top issues, in chat. English and Arabic. By BottleTech (bottletech.net).

A connector providing AI assistants searchable access to climate-aligned contract clauses, glossary terms, and practical guides from The Chancery Lane Project's curated knowledge graph.

Zillow MCP for AI agents: property data, Zestimates & listings — 300+ fields per home. Free tier.

Cães e gatos para adoção no Brasil, de ONGs e protetores. Busque por cidade, porte, idade e saúde.

Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report. Register and create a key at https://supplygraph.ai/zk_chat_os/dashboard/dashboard.html — if you are not signed in you will be redirected to login; new users can register there. After login, open A2A / MCP and click Create Production Key or Create Sandbox Key. Send the header as Bearer <api_key> (one Bearer prefix, then the raw key). Optional for initialize and tools/list; required for tools/call.

Search French and European case law and French legal texts (codes, statutes, treaties).

Live Australian grocery prices from Woolworths, Coles, Aldi and Harris Farm.

Monitor taken usernames and get alerted when they drop, plus handle, domain, and trademark checks.