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

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.

Do things on live websites: prices, availability, quotes, bookings, anything behind a form or login.

Public pages to clean JSON or Markdown, plus bounded site mapping and crawl. Failed calls are free.

Track prices & price history on any online shop, with alerts and an API

Free SEO, GEO, and AEO audits: analyze any page or domain, AI-crawler access, agent readiness.

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

Fetch any web page's HTML, AI-parsed JSON, or Google results via the ScrapeUnblocker anti-bot API

Fetch any web page's fully rendered HTML, AI-parsed structured JSON, or Google search results through ScrapeUnblocker's anti-bot scraping API (bypasses Cloudflare, DataDome, PerimeterX, Akamai). Bring your own API key.

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.

Screenshots, PDFs and Markdown from any URL or HTML for AI agents, via the SnapForge API

Render HTML, Markdown, or URLs to images, PDF, or branded artifacts; extract and watch pages.

Twitter/X, Instagram, Reddit & TikTok data for AI agents. Billions of posts. No API keys.

Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.

Validate whether an IP address belongs to SeznamBot. Remote MCP server exposing a validate_ip tool.

Free technical-SEO audit MCP: crawl a site, run checks, return an LLM-ready shareable report.

Ranks the best AI tool or API per task: transcription, TTS, web search, scraping and OCR.

Download DocSend and Papermark decks as PDF or PPTX, including email-gated and protected links.