"Information about MariaDB, an open-source relational database" 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.

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.

Verify citations in AI text: fetches each cited source, returns verdicts with evidence quotes.

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

Query the Virohana website with your AI: services, products, journal. Open, read-only.

Agent-payable web data over x402: 18 keyless services an agent pays per call.

Pay-per-use HTTP proxy. Each proxy_request tool call costs 0.001 USDC on Base Mainnet via x402 protocol. Requires an x402-aware agent to pay automatically.

Scan any website for SEO, performance, accessibility, and AI search issues. Returns structured issues with fix prompts you can paste into Claude or Cursor to fix immediately. 40+ checks including Core Web Vitals, Open Graph, structured data, and AI search visibility.

URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)

Search open SVG icon packs and fetch exact SVG markup from coding agents through MCP.

Scrape, crawl, map & search the web. Open-source, self-hostable Rust crawler & search for AI agents.

Detect 7,500+ technologies on any website - CMS, ecommerce, analytics, frameworks - using open-source webappanalyzer fingerprints. Bulk input, pay-per-use (~$5 per 1,000 sites), billed through your Apify account.

YouTube transcripts, subtitles, and video metadata as structured JSON via an Apify Actor.

Bulk Bluesky profiles plus full follower/following exports via the open AT Protocol. Pay per record.

Source-first URL clone, capture, rebuild, and fidelity verification tools.

Verified extraction: source-backed JSON from PDFs/URLs; honest null + signed receipt.

Real-time US state ABC liquor license compliance records for AI agents. Covers CA, TX, NY, and FL — extracted from state portals and served as normalized JSON. Every response includes a _verifiability block with extraction timestamp, confidence score, and source URL.

Generate startup names with an available .com, checked live, then screen US and EU trademarks.

Open retro-gaming metadata catalog — 91,000 games, 99 systems. Box art, manuals, screenshots, gameplay previews. Free MCP + REST API.