router-for-me/CLIProxyAPI · error

plugin executor %s declares no output formats

Error message

plugin executor %s declares no output formats

What it means

Error "plugin executor %s declares no output formats" thrown in router-for-me/CLIProxyAPI.

Source

Thrown at internal/pluginhost/adapters_executors.go:476

func (a *executorAdapter) selectExecutorInputFormat(requested sdktranslator.Format) (sdktranslator.Format, error) {
	if len(a.inputFormats) == 0 {
		return "", fmt.Errorf("plugin executor %s declares no input formats", a.Identifier())
	}
	if executorFormatContains(a.inputFormats, requested) {
		return requested, nil
	}
	for _, format := range a.inputFormats {
		if requested == "" || sdktranslator.HasRequestTransformer(requested, format) {
			return format, nil
		}
	}
	return "", fmt.Errorf("plugin executor %s does not support input format %q", a.Identifier(), requested)
}

func (a *executorAdapter) selectExecutorOutputFormat(requested, inputFormat sdktranslator.Format) (sdktranslator.Format, error) {
	if len(a.outputFormats) == 0 {
		return "", fmt.Errorf("plugin executor %s declares no output formats", a.Identifier())
	}
	if executorFormatContains(a.outputFormats, requested) {
		return requested, nil
	}
	if executorFormatContains(a.outputFormats, inputFormat) && a.executorResponseTranslationAvailable(inputFormat, requested) {
		return inputFormat, nil
	}
	for _, format := range a.outputFormats {
		if requested == "" || a.executorResponseTranslationAvailable(format, requested) {
			return format, nil
		}
	}
	return "", fmt.Errorf("plugin executor %s does not support output format %q", a.Identifier(), requested)
}

func (a *executorAdapter) executorResponseTranslationAvailable(from, to sdktranslator.Format) bool {
	if from == "" || to == "" || from == to {
		return true

View on GitHub (pinned to 78f0c4079e)

Solutions

1. Update the plugin to declare at least one supported output format.
2. Check the plugin manifest/executor registration for the named executor.

When it happens

Trigger: Thrown at internal/pluginhost/adapters_executors.go:476 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of router-for-me/CLIProxyAPI@78f0c4079e (2026-08-15). Data as JSON: /api/errors/3a40f4a03cc2f2af. Report an issue: GitHub.