"SearXNG - Open Source Metasearch Engine" matching MCP connectors:

Search, summarize and organize your WhatsApp chats from Claude, ChatGPT or Cursor: contacts, groups, labels, notes, reminders and scheduled messages. Tool calls run in the Kaption extension for WhatsApp Web (Chrome, Edge) or the Kaption desktop app, which must be open. Sign-in is OAuth 2.1 with a code sent on WhatsApp. No send-now tool. Setup: https://kaptionai.com/mcp/

Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.

Mixture-of-Agents document intelligence engine. Multiple AI models cross-verify each other for 100% recall across 10 languages. 6 tools (analyze_document, extract_web, summarize, delegate_bulk_translate, estimate_cost, health_check). USDC pay-per-call on Base or Solana via x402. From $0.08/call.

Clarity Today's briefing, latest stories by desk, search and full source-linked stories.

x402 pay-per-call tools for AI agents: code review, data clean, briefs, regex, diff, URL meta.

Document inventory, extraction, summaries and comparison with source quotes and usage billing.