"Proton Calendar" matching MCP connectors:

Real-time stock prices, fundamentals, technical indicators, and AI-analysed news for 1000+ stocks. Includes macro regime, market outlook, sector intelligence, insider sentiment, and earnings calendar. 12 MCP-native tools over Streamable HTTP. Free tier available, no credit card.

AI Agent Builder, Orchestrator & Grader. Build, test, optimize and deploy AI agents from any MCP client. 32 tools: agent CRUD, template deployment, grading & AutoResearch optimization, multi-agent teams, pipelines, memory management, 5-channel deployment (widget, Slack, Telegram, WhatsApp, webhooks), OAuth connectors (email, calendar), usage analytics, EU AI Act compliance reports, and portable agent export/import

Extracts calendar events from natural-language text, with .ics and calendar links.