"Collabora Online" matching MCP connectors:

xrplme.online gives AI agents source-backed economic and regulatory data for 30 countries, paid per query in XRP over the x402 micropayment protocol on the XRP Ledger. Its MCP server exposes tools to list countries, check country status, read pricing, and run regional research — no API keys and no accounts: agents read the public manifest and pay per call.

Overleaf alternative online LaTeX editor. AI agents edit, comment, and chat. Keep or revert edits.

Signal by StackEnhance

io.github.gimarcus

Marketing-email intelligence for e-commerce brands in the Nordics and Germany. Signal follows 1 000+ online stores, mostly in Sweden, Norway, Denmark, Finland and Germany, and has captured 75,000+ of their marketing emails. Ask how often a brand emails, what it sent last week or in a given month, or which brands in a market email the most. Counts are de-duplicated campaign sends (welcome, birthday and transactional emails excluded), and every answer links to the brand's public page as its source. Free and read-only: no API key, no sign-in. No open, click or revenue data.

No-key MCP: audit/certify MCPs, signed trust history; join Gold Rush Town & build with your LLM.

Read prediction disputes and the crowd's odds on real-world events from disputes.online.

Destatis MCP — Germany's official statistics (Destatis GENESIS-Online).

POWO (Plants of the World Online, by the Royal Botanic Gardens, Kew) MCP.

Search arXiv/Semantic Scholar/OpenAlex + medical evidence (PubMed/Europe PMC) + LaTeX/PDF tools.

Real problems people complain about online, scored 0-100, to find and validate startup ideas.

Ayatollah Khamenei corpus: fatwas, lectures, knowledge graph. Arabic/Persian. Research access.

upriverOAuth

ai.upriver

Know what's gaining traction online: breakout topics in tech, sports & politics, with citations.