"Examples of complex problem-solving using multiple tools" matching MCP connectors:

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).

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.

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

28 MCP tools: SEC financials, FRED economics, Census demographics.

Search and discover AI-ready websites from the international llms.txt directory using a read-only remote MCP server.

90+ free tools, Claude & ChatGPT: prices, options, SEC filings, 13F, insider, congress, transcripts.

Anonymous read-only Formula 1 tools, resources, prompts, completion, and interactive dashboard.

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

7.0M+ US gov and science data via x402 USDC. 20 tools, $0.001 sample tier, sanctions, SEC, CVEs.

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.

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

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

Danish parliamentary cases, votes, politicians, parties, elections, and comparison tools.

320K+ open-source SVG icons: 12 tools, anonymous metadata search; SVG, exports, collections via Pro.

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

Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 67 data types.

Free access to 3.3M French & EU court decisions + 1.5M law articles w/ history. 31 read-only tools

Source-grounded research for Egyptian public affairs