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

Per-unit cost of 13 back-office tasks done by a person vs by software, in the US, Greece and Ukraine, with an official statistic behind every hourly wage. Bundled data, works offline.

Provides live access to Canadian economic data via the Bank of Canada's Valet API, including exchange rates, policy interest rates, CPI, bond yields, and commodity prices.

Read-only MCP server for the July 2026 survey of AI in open-source design systems, enabling agents to query 19 systems' affordances, coercion techniques, and platform data via 9 tools, 2 resources, and 2 prompts.

Enables querying a single academic paper by DOI, PMID, or arXiv ID to retrieve its open-access copies, licenses, linked datasets, code, citations, and retraction status from multiple scholarly sources in one call.

MIT ABS sister MCP — same five tools, citations. Pair with the ausdata gateway for joins and Embed.

MCP server giving AI agents access to global supply chain and trade data from UN Comtrade, World Bank, and Open Supply Hub.

Provides access to the Australian Bureau of Statistics (ABS) Data API. This server allows AI assistants to query and analyze ABS statistical data.

One-call Australian health and welfare data plumbing via AIHW — cited responses for practical analysis, not a data broker.

Enables AI agents to search The Met's open-access collection by keyword with filters for images, on-view status, medium, and year range, and to fetch rich object details such as artist bio, dimensions, department, and gallery number. Also lists the museum's curatorial departments so searches can be scoped, all without an API key.

Provides access to comprehensive U.S. economic data including GDP, personal income, and regional statistics via the Bureau of Economic Analysis API. It enables users to query datasets and retrieve specific economic indicators for states, counties, and industries through natural language.

Integrates Eurostat quality-of-life metrics and real-time job searching to help users find international internships in high-ranking European cities. It enables ranking cities based on personalized criteria like safety or transport and retrieves structured internship listings via the Tavily API.

Provides access to U.S. labor market data including employment statistics, Consumer Price Index inflation rates, and wage information. Users can query specific time series data or use shortcuts for common economic indicators like unemployment and industry-specific employment.

Provides access to 250,000+ Canadian government datasets and specialized querying of transportation infrastructure including bridges, airports, cycling networks, transit systems, railways, and tunnels across multiple provinces.

PLEXUS federates the world's knowledge — government records, scientific literature, legal databases, financial data, cultural archives, and more — into a single normalized API. Get intelligence, not raw data. Pay per call in USDC via x402. No subscriptions, no API keys.

Enables AI agents to search U.S. futures markets and retrieve weekly positioning data — open interest plus long, short, and net positions for speculators, hedgers, and small traders — including the latest report and historical trend time series.

Enables spatial analysis of large remote GeoParquet files directly from object storage without downloading or importing data, using DuckDB's predicate and projection pushdown to answer queries efficiently.

Source-backed hardware end-of-life (EOL/EOSL) lookups by part number for enterprise gear — support status, end-of-sale and end-of-support dates, with the vendor's own bulletin URL on every answer. Unknown parts return found:false, never a guess.

An MCP server for querying the FDSN Web Service Event APIs of multiple seismological datacenters and retrieving earthquake information as JSON.

An MCP server that gives AI assistants direct access to NASA's Exoplanet Archive — the authoritative database of every confirmed exoplanet, candidate planet, and host star.

An MCP server that searches across the Internet Archive and Library of Congress at once, merging results while keeping each archive's differences. Provides tools to search inside texts, search catalogues, and retrieve item records, all read-only and without an API key.