"Understanding RAG (Retrieval-Augmented Generation or related topics)" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
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.
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.
CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.
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.
Free YouTube transcript fetcher: clean text, timestamped, SRT, VTT, Markdown, or JSON. No API key.
Cite or capture a web page; installs the capture extension in Firefox and Chrome.
Shared copies of public web pages for AI agents. Search stored pages or fetch a URL.
Fetch any web page's HTML, AI-parsed JSON, or Google results via the ScrapeUnblocker anti-bot API
Fetch any web page to clean Markdown with Litmus trust signals. No account or API key needed.
What a source published since you last looked, from any RSS, RDF or Atom feed.
Convert public HTML or a public URL into token-dense Markdown through one remote MCP tool.
Russian-language web search for agents: hybrid retrieval, product prices, full page text
Name any bot user-agent, verify a crawler IP, or generate robots.txt. Free, no key, no signup.
Read any web page as clean text for a prompt, or list every link on it.
Ask before you fetch: will this domain serve your crawler, refuse it, or charge it?
Verify a public listing URL and return source-supported facts or explicit fail-closed states.
Procure, compare, quote, budget, and execute web extraction or scraping across providers for agents
Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.
URL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.
