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

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

Structured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.

Connect AI to millions of laws and court cases with the Lawstronaut MCP.

An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.

Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.

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.

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).

Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude. Checks eligibility before recommending, explains why each grant fits, and cites the funder's own page on every answer — with an honest "competition_risk: unknown" when the data isn't there. 6 tools: search, fetch, find_opportunities, should_apply, explain_opportunity, complete_profile. Transport: Streamable HTTP. Auth: OAuth 2.1 + PKCE. Free to install, no card required.

Validate startup ideas with behavioral evidence — not opinion. Demand Discovery AI™ is a sales-agent MCP that answers founders' questions about the validation framework, the four data-signal categories (Search & attention, Conversation & pain, Adoption & spend, Capital & hiring), the Demand Score™, and the Build/Pivot/Kill verdict™. Includes 7 tools: ask a free-form question, get the validation framework, get product details, explain demand signals, compare validation approaches, get data-source

Disability insurance MCP: a quote_request action plus carrier and coverage research tools.

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

MCP server exposing the Backtest360 engine API as tools for AI agents.

Search 760K+ companies by technographics with direction of change: adopting, replacing, evaluating

Native Clarity decision mapping, MindScan episode reflection, and read-only evidence tools.

Judged, citation-checked policy corpus over MCP. Keyless public reads; API key for AI tools.

Educational MCP server with 17 math/stats tools, visualizations, and persistent workspace

Turn raw customer feedback into evidence-cited specs (free, no key) plus 16 PM tools.

GIS tools for AI agents: 65 free tools + 8 paid (hazard/site-scouting/GeoJSON export)

Money, tax & business calculators kept current with 2026 rules — plus operator insights.

Query the HokAI catalogue of AI tools, agents, models, companies and infrastructure services.