"Information about extraction techniques or processes" 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.

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.

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.

Pay-per-call URL intelligence for AI agents via x402 USDC on Base; no account or API key.

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

Web content extraction for AI agents. Pay per call with x402 (USDC on Base). No API key.

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

Extract public web pages to clean JSON or Markdown via MCP. No-key demo; failed calls not billed.

x402-gated web extraction gateway. Tools: extract, extract_batch.

Clean product data from any URL. Schema.org + AI extraction. 200 free calls/month.

Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)

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

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.

Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.

Generic URL crawl + HTML extraction — fallback for sites without dedicated MCPs.

Local business lead extraction with email + phone enrichment from Google Maps.