"Understanding File Access" matching MCP connectors:

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

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.

Real-time electricity prices, carbon intensity, and energy analytics for 41+ zones across Europe, GB, US, and Australia. Query live prices, compare zones, check gas storage, get green scores, and access advanced analytics via MCP.

Access the OpenAlex academic research catalog — 270M+ publications.

Access FEC campaign finance data. Query data about candidates, money trails, and election filings.

Read-only access to the Islam West Africa Collection via Hugging Face datasets.

Patents MCP — wraps the USPTO Open Data Portal (ODP) Patent File Wrapper API

出海合规预检 · Source-cited EU/US/UK/AU market-access checks for cross-border sellers

Read-only MCP access to DSGHT.ai published foresight and country-grounded claim resolution.

Directory of US clearinghouse/payer APIs (Availity, Optum, Waystar) with pricing & access signals.

Read-only MCP access to TrailWeights' ultralight gear corpus: verified weights, reviews, pack lists

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.

DOAJ MCP — Directory of Open Access Journals

eLife MCP — keyless open-access life-sciences & biomedical journal articles.

AQUAVIEW MCP is a hosted Model Context Protocol server that gives any LLM agent direct access to 700,000+ oceanographic, atmospheric, and marine datasets from 68 authoritative sources — NOAA, IOOS, World Ocean Database, Argo, GOES-R, NEXRAD, ESA Sentinel, and more. Ask in plain English; the server returns structured results with direct download links for NetCDF, GRIB2, GeoTIFF, and CSV files.

Access premium IPO intelligence through AI agents. Retrieve detailed company profiles for upcoming and recent public offerings — including deal terms, SEC filings, AI-generated research with valuation models, competitor benchmarking, underwriter ratings, risk screening, and board analysis. Monitor overall market conditions with a proprietary daily sentiment score (-100 bearish to +100 bullish) with historical trend data to help time investment entries.

OWID MCP — Our World in Data chart/indicator access (free, no auth)

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

Professional-grade MCP gateway for high-fidelity strategic intelligence. Provides autonomous agents with gated access to sovereign audits, frontier science retrospectives, and macroeconomic synthesis.

Open-access rating scales and clinical references for adolescent psychiatry clinicians.