"Information about RAG (Retrieval-Augmented Generation) or rag-related topics" matching MCP connectors:

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.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.

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.

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.

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

URL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.

Know whether an AI agent should REUSE or REFETCH a URL before retrieving it again.

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

Search Umesh Malik's blog, fetch posts as Markdown, list topics, get his profile.

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

Cite or capture a web page; installs the capture extension in Firefox and Chrome.

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

Scrape, crawl, map and extract the web. Pay per call in USDC, no account or API key.

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

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.

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

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.

Fetch any Russian website or API via a Russian IP — flagship tool fetch_ru. Pay x402/RUB.