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Intermittent connection drops with hosted MCP (OAuth) - tools/settings disappear randomly #141

@felztar

Description

@felztar

Description

The Notion MCP connection via OAuth (hosted at mcp.notion.com) randomly disconnects in Claude Desktop. When this happens, the integration settings only show the MCP server URL without any tools listed below it.

Environment

  • MCP Version: Hosted (OAuth via mcp.notion.com)
  • Client: Claude Desktop
  • Claude Desktop Version: [Insert your version - find it in About Claude]
  • OS: macOS [or your OS]
  • Network: Stable WiFi connection (no other connectivity issues)

Expected Behavior

The Notion MCP connection should remain stable, with all tools consistently available in the integration settings.

Actual Behavior

  • Connection works sometimes, showing all tools (Search Notion, Fetch entities, Create pages, etc.)
  • Connection drops randomly, showing only the server URL without tools
  • No clear pattern - happens at different times/contexts
  • Restarting Claude Desktop sometimes fixes the issue
  • Issue recurs after variable time periods

Steps to Reproduce

  1. Connect Notion via OAuth in Claude Desktop settings
  2. Use the integration normally (search, fetch, create operations)
  3. Connection drops at unpredictable intervals
  4. Integration settings show only https://mcp.notion.com/mcp without tool list

Impact

Makes the integration unreliable for professional use cases requiring consistent workspace access.

Workaround

Fully quit and restart Claude Desktop when the connection drops (not always!)

Additional Context

  • All Notion pages are properly shared with the integration
  • No errors visible in Claude Desktop UI when connection drops
  • Network connection remains stable throughout
  • Issue persists across multiple days/sessions

Question

Is this a known issue with the hosted MCP server? Should I consider switching to the self-hosted version for better stability?

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