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Troubleshoot MCP tunnelsconnectors/mcp-tunnels/troubleshooting

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First seen 31 Aug 2026 14:37 UTC

Last changed 30 Oct 2026 23:07 UTC

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30 Oct 26 Troubleshoot MCP tunnels ±changed +0−4 25 Sep 26 Troubleshoot MCP tunnels ±changed +9−9 25 Sep 26 Troubleshoot MCP tunnels ±changed +8−8 25 Sep 26 Troubleshoot MCP tunnels ±changed +26−30 25 Sep 26 Troubleshoot MCP tunnels ±changed +31−9 03 Sep 26 Troubleshoot MCP tunnels ±changed +1−1 31 Aug 26 Troubleshoot MCP tunnels +new page +131−0

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Lines145
Characters10,959
Categoryconnectors
Pathconnectors/mcp-tunnels/troubleshooting

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### Adding the connector fails, or the connector connects but no tools appear
## Related resources
# Troubleshoot MCP tunnels
## Connection
### The tunnel stack starts but cloudflared never connects
### cloudflared logs `failed to sufficiently increase receive buffer size`
### The setup component fails with an authentication or permission error
### Setup fails with `Organization already has the maximum of 10 non-archived Tunnels`
### Helm install fails with a hook error
### A tunnel hostname does not respond to curl or a browser
## Routes and certificates
### Proxy logs `no route for host`