"Stack Exchange" matching MCP connectors:

Slack MCP without OAuth — 21 tools, session-based, local-first. Free OSS + hosted tier from $19/mo.

Telegram bridge for your MCP-compatible agent. Bidirectional, no LLM in our stack.

Communication stack for AI agents: SMS, AI voice calls, phone numbers, and account events.

Microsoft Exchange MCP server - hosted, multi-user, incl. Exchange on-prem & hybrid (EWS)

Enable interaction with Slack workspaces. Supports subscribing to Slack events through Resources.

Zapier MCP connects AI tools like Claude, ChatGPT, and Cursor to over 8,000 apps and 30,000+ actions, enabling AI to perform real-world tasks such as sending messages, searching data, scheduling events, and updating records. It acts as a translator between AI tools and apps, handling authentication, rate limits, and retries automatically, transforming AI from a conversational tool into a functional extension of your business stack.