"Web search services that don't require an API key" matching MCP connectors:

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Deterministic dataset-quality verdict, score and per-check facts for AI agents. No LLM.

Pre-computed market data that improves agent reasoning, reduces token usage, and replaces pipelines.

Baking unit conversion (cups/grams/temp/recipe scaling). convert_amount, convert_temperature

Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Wash-filtered intelligence for x402: categories, services, wash analysis, trends.

Buy timestamped web, company, commerce, social, document and decision data via x402.

Gateway between LLM agents and world data through eight tools and a bundled endpoint catalog.

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

Scrapingdog MCP — wraps Scrapingdog (scrapingdog.com), a proxy-based web

Document-to-Markdown MCP server — convert PDF, Office and HTML into LLM-ready Markdown.

Live job postings from 30+ ATS feeds and job boards, one schema. Live results need a Bearer key.

Tracker / Sigil / Cross-lens — every TunnelMind Data API operation as one MCP surface.

Your accounting ledger as typed tools: net worth, holdings, history, tax estimates, trade logging.

Search 500+ wire-harness & cable-assembly manufacturers by country, industry, and capability.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

Search European tech funding rounds, companies, investors and exits — sourced, EUR-normalized.

Fuzzy entity resolution and dedupe for names, addresses, and company records — the "is this the same person/company" problem that breaks exact-match joins. Clean CRM exports, merge duplicates, reconcile vendor lists. Pay-per-call via x402 (USDC on Base): $0.008/call, no account or API key. tools/list and /openapi.json are free for discovery.

Live job postings for AI agents: search normalized postings from 30+ ATS feeds and job boards by title, skill, country, remote, seniority and recency. Also lists sources and pricing plans.