"Exploring "Node" - A Versatile Term with Various Interpretations" matching MCP connectors:

Search scientific papers with structured experimental data from full-text studies

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.

A Model Context Protocol server that provides Philippine License to Sell (LTS) verification data to LLMs. Built on Cloudflare Workers with Supabase. Public, read-only, no authentication required. Data sourced from the Department of Human Settlements and Urban Development (DHSUD) License to Sell registry and cross-referenced with published real estate projects on REN.PH.

Software entry prices for 16 categories, with ratings and true 3-year cost. CC BY 4.0

A growing family of free academic data libraries: finance, economics, and beyond (ElkassabgiData).

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

Reviewed public-data search and execution with provenance and verifiable integrity receipts.

Public fellowship and grant search with sourced details and live filter vocabularies.

Agent integration with the Northwestern University Libraries Digital Collections API

Business-published entity records with confirmation dates: look up, page feeds, check claims.

China A-shares MCP. Keyless.

70,520 places worth a detour: name search, nearby lookup, fame rankings, statistics. No key, CC0.

Search a directory of real, owner-confirmed small businesses. Read-only; attribution required.

Ask in plain English, get a rendered, shareable map from live public data. 24 geospatial tools.

Query normalized U.S. Congress STOCK Act trades with member, ticker, and performance data.

Funding stress early warning for US money markets from free public data, with an honest backtest.

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

Verified Japanese company press releases with provenance (corporate number, source URL) and jobs.

Public, read-only access to ~3.9M Romanian companies (data from ONRC, ANAF, and the Ministry of Finance). Five tools: search & filter companies by name, CAEN activity, county, revenue/profit/employee ranges, and VAT status; fetch a company profile by CUI; yearly financial history; public status flags (VAT, insolvency, dissolution, e-Factura); and CAEN activity-code lookup. No authentication required.

MCP server for Project Gutenberg — 75,000+ public-domain ebooks with full plain-text retrieval.