Troubleshooting

fish-kernel install only shows help

You must pass one of:

• --user

• --sys-prefix

• --prefix /path

fish kernel does not appear in Jupyter

1. Re-run installation with the same Python environment as Jupyter.

2. Run jupyter kernelspec list.

3. Confirm fish is listed.

fish command not found

Install fish and ensure fish is on PATH.

Platform support

• Linux and macOS are supported.

• Windows is supported when you run inside WSL.

• Native Windows is not supported because this project depends on fish shell.