"Information about Obsidian (note-taking app or volcanic glass)" matching MCP connectors:

AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.

Scrape and extract application reviews from both the Google Play Store and the Apple App Store.

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

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.

Given a URL, returns title/description/preview-image/site_name from its OpenGraph/meta tags.

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

Verify a public listing URL and return source-supported facts or explicit fail-closed states.

Web reader for AI agents — output ~4x smaller than raw HTML. Card API key or x402. Free tier.

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

An MCP server for generating images from HTML & CSS or screenshots of URLs using htmlcsstoimage.com.

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Verify public marketplace, retail, classified, and auction listings before an agent relies on them; return source-supported facts or explicit safe-failure states.

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

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

Pay-per-request webpage-to-Markdown extraction for AI agents. $0.005 USDC via x402 on Solana.

Deterministic public-web change observation with evidence-bound commercial interpretation.

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

Instagram Scraper: 🔥 Get a lot of information from Instagram consistently and quickly!.