"An overview or explanation of 思维链 (Chain of Thought)" matching MCP connectors:

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

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).

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.

Read-only MCP server for wafergraph.com's semiconductor & AI supply-chain data: 30 tools, no auth.

Czech & EU due diligence in one call — facts, insolvency, sanctions, VAT, risk score, UBO chain.

Washington DC DMV: service centers, vehicle inspections by VIN, traffic convictions

Washington DMV/DOL: VIN-level EV population and monthly vehicle registration transactions

California Grants Portal MCP — open State of California grant funding opportunities (keyless).

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Weather, climate, terrain, fire and flood risk data for any point or polygon on Earth. Free tier.

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

SEC EDGAR fundamentals as agent tools: look up or screen US public companies. Free, no key, CC0.

Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP.

Public read-only archive of journalist Cameron Wilson's work, appearances, and biography.

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.

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

Semantic search across Japan's government white papers, in English or Japanese. Free beta.

Search dynamical.org's open STAC catalog of weather & climate datasets (GFS, ECMWF, HRRR).

Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.