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

SSRF-safe web intelligence: 4 outcomes, 32 paid x402 tools, 3 free tools and a URL preview.

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.

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.

Product search and price comparison for AI agents. Search 100M+ products across thousands of retailers by text or image, compare live offers and prices, and turn any merchant URL into structured product data. No API key required to start; add one for unlimited use and affiliate commission.

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.

Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.

Pay-per-call web scraping for AI agents — no signup, no API keys, just USDC micropayments via the x402 protocol on Base. Six tools: scrape webpages, extract structured data, capture screenshots, parse metadata, manage browser sessions, and run workflows. Runs on Cloudflare Workers with Browser Rendering. Free tier: 10 calls per wallet per 30 days.

Capture batches of public web pages in a real browser and download the screenshots as a zip.

8 pay-per-call web intelligence tools for AI agents: detect a site's tech stack and track stack changes, check domain health, extract structured data or clean markdown from any URL, turn sitemaps into knowledge bases, analyze Shopify and Zid stores. Free discovery + pricing_info; paid calls $0.01-0.02 in USDC on Base via x402 — pay only for successful runs.

8 pay-per-call web intel tools over MCP. Free discovery, calls settle in USDC on Base (x402).

Scores a website's AI technology adoption using BuiltWith data.

Pay-per-call AI tools over x402: web research, summarization, structured extraction (USDC, Base).

64 x402 tools: cheap LLM $0.002, web+news search, French residential-IP scraping, FR/UK/US data.

Freshness-aware AI retrieval with 21 MCP tools for timestamped, decay-ranked live signals.

Social media data: 85 tools across 11 platforms (YouTube, TikTok, Instagram, X & more), one key.

29 pay-per-result web data tools: LinkedIn, Google Maps, SEC, real estate, jobs, leads.

45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.

x402 pay-per-call tools: company enrichment, PDF extraction, Amazon/KDP data, YouTube transcripts.

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.