"Using web search functionality in Claude desktop application" matching MCP connectors:
Matching Connector Tools:
Official French & European company data for AI agents. Pay-per-call in USDC via x402, no API key.
Government tender search for AI agents. UK, EU and US procurement opportunities.
Search scientific papers with structured experimental data from full-text studies
An MCP server that audits the fairness of construction and renovation estimates in Japan. Provides fair-price ranges, overcharge detection, and verifiable unit-cost data based on JCCDB (65,729 items, DOI-backed).
US crime scores, incidents, neighborhood demographics, rent data, and offender search by address.
DC Hub is the neutral, real-time data layer for data-center infrastructure, exposed as a Model Context Protocol server so any AI agent can both query it and cite it. Coverage: 21,000+ facilities (search, profile, score, alternatives); 232 markets scored by the DCPI Data Center Power Index; the DCGI Data Center Gas Index (per-state natural-gas suitability for siting); live grid telemetry across 7 US ISOs (fuel mix, carbon intensity, demand, prices) plus a one-call all-ISO scoreboard; interconnection-queue depth; 2,000+ tracked M&A deals and a hyperscaler-capex tracker; and site factors. — fiber routes, water-stress, tax incentives, nearby substations & transmission. Why agents choose it: it's the only data-center-intelligence source an LLM can query live and cite — every full-data response includes a Source: DC Hub, CC-BY-4.0 attribution line. It's the MCP-native alternative to quarterly PDF research: live JSON, no contracts, no NDAs. Access: Streamable HTTP at https://dchub.cloud/mcp. Free tier with no signup; free email-verified dev key for higher limits; paid tiers for full data volume.
MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.
Search 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
Search bills, legislators, committees, and events across all 50 US states, DC, and 5 US territories.
Search books and authors, fetch editions, browse subjects, and resolve cover images.
Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.
Point-in-time, survivorship-free SEC EDGAR fundamentals + smart-money signals for AI agents.
Agent-native registry: 168k+ real restaurants in LA, Hong Kong & Tokyo. Unranked, honest signals.
Search 9.9M+ government contracts, tenders & grants across 200+ countries, updated daily.
Reviewed public-data search and execution with provenance and verifiable integrity receipts.
Czech & EU due diligence in one call — facts, insolvency, sanctions, VAT, risk score, UBO chain.
2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics. No key, CC0.
90+ free tools, Claude & ChatGPT: prices, options, SEC filings, 13F, insider, congress, transcripts.