"Empty search query" matching MCP connectors:
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Government tender search for AI agents. UK, EU and US procurement opportunities.
Search scientific papers with structured experimental data from full-text studies
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 US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.
Places worth a detour, from Wikidata: search, nearby lookup, fame rankings, stats. No key, CC0.
Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.
Search PubChem compounds, properties, safety data, bioactivity, and cross-references.
Search 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.
Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.
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 arXiv, fetch paper metadata, and read full-text content.
Search books and authors, fetch editions, browse subjects, and resolve cover images.
Search 209k+ US state bills, all 50 states + DC: full text, sponsors, votes, status. Free.
Access FEC campaign finance data. Query data about candidates, money trails, and election filings.
Search 46,000+ academic journals: trust scores, quartiles, indexing and citation verification.
Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.