How do I start MCP Server Streaming Tunnel (v2 transport)?

Run instatunnel 8787 --mcp --transport v2 --subdomain mymcp, then use https://mymcp.instatunnel.my/mcp as the public endpoint for this workflow.

Workflow a forte intention

MCP Server Streaming Tunnel (v2 transport)

Expose local MCP servers over HTTPS with transport v2 for streamable responses and remote IDE integration workflows.

Teams connecting MCP servers to VS Code, Cursor, Claude Desktop, and Codex.

mcp server tunnel streaming

Use Authorization bearer token headers for public MCP endpoints.

Commande

instatunnel 8787 --mcp --transport v2 --subdomain mymcp

Exemple d endpoint public

https://mymcp.instatunnel.my/mcp

Public URL	https://mymcp.instatunnel.my/mcp
Local port	Use the port from your local app command.
Success check	Use Authorization bearer token headers for public MCP endpoints.

If the provider cannot reach the endpoint, confirm the local app is running and restart the tunnel with the same subdomain.

If events arrive but fail verification, compare the exact public URL and signature secret configured in the provider dashboard.

If retries create duplicates, store the provider event ID before performing side effects.

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