cli/cli · error

extension %q not found

Error message

extension %q not found

What it means

Error "extension %q not found" thrown in cli/cli.

Source

Thrown at pkg/cmd/extension/command.go:561

			Use:   "exec <name> [args]",
			Short: "Execute an installed extension",
			Long: heredoc.Docf(`
				Execute an extension using the short name. For example, if the extension repository is
				%[1]sowner/gh-extension%[1]s, you should pass %[1]sextension%[1]s. You can use this command when
				the short name conflicts with a core gh command.

				All arguments after the extension name will be forwarded to the executable
				of the extension.
			`, "`"),
			Example: heredoc.Doc(`
				# Execute a label extension instead of the core gh label command
				$ gh extension exec label
			`),
			Args:               cobra.MinimumNArgs(1),
			DisableFlagParsing: true,
			RunE: func(cmd *cobra.Command, args []string) error {
				if found, err := m.Dispatch(args, io.In, io.Out, io.ErrOut); !found {
					return fmt.Errorf("extension %q not found", args[0])
				} else {
					return err
				}
			},
		},
		func() *cobra.Command {
			promptCreate := func() (string, extensions.ExtTemplateType, error) {
				extName, err := prompter.Input("Extension name:", "")
				if err != nil {
					return extName, -1, err
				}
				options := []string{"Script (Bash, Ruby, Python, etc)", "Go", "Other Precompiled (C++, Rust, etc)"}
				extTmplType, err := prompter.Select("What kind of extension?",
					options[0],
					options)
				return extName, extensions.ExtTemplateType(extTmplType), err
			}
			var flagType string

View on GitHub (pinned to 0eeec0b92e)

Solutions

1. List installed extensions with `gh extension list` and use an installed name.

When it happens

Trigger: Thrown at pkg/cmd/extension/command.go:561 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of cli/cli@0eeec0b92e (2026-08-15). Data as JSON: /api/errors/9e0ba005269670ea. Report an issue: GitHub.