microsoft/vscode · error · Error

Setting github.copilot.${settingId} is too low; use a ratio

Error message

Setting github.copilot.${settingId} is too low; use a ratio in the range (0, 1] (e.g. 0.8 for 80%) or an absolute token count of at least 100.

What it means

Error "Setting github.copilot.${settingId} is too low; use a ratio in the range (0, 1] (e.g. 0.8 for 80%) or an absolute token count of at least 100." thrown in microsoft/vscode.

Source

Thrown at extensions/copilot/src/extension/intents/node/agentIntent.ts:190

 * small to be a useful token budget) are rejected so a typo like `80` — which a
 * user likely meant as "80%" — fails loudly instead of silently compacting after
 * 80 tokens.
 *
 * Returns `undefined` when unset (or non-positive), meaning "use the model's full
 * context window".
 *
 * @internal - exported for testing
 */
export function resolveSummarizeThresholdTokens(value: number | undefined, effectiveMaxTokens: number, settingId: string): number | undefined {
	if (typeof value !== 'number' || value <= 0) {
		return undefined;
	}
	if (value <= 1) {
		// Ratio of the model's context window.
		return Math.max(1, Math.floor(effectiveMaxTokens * value));
	}
	if (value < 100) {
		throw new Error(`Setting github.copilot.${settingId} is too low; use a ratio in the range (0, 1] (e.g. 0.8 for 80%) or an absolute token count of at least 100.`);
	}
	// Absolute token count.
	return value;
}

export const getAgentTools = async (accessor: ServicesAccessor, request: vscode.ChatRequest, model?: IChatEndpoint) => {
	const toolsService = accessor.get<IToolsService>(IToolsService);
	const testService = accessor.get<ITestProvider>(ITestProvider);
	const tasksService = accessor.get<ITasksService>(ITasksService);
	const configurationService = accessor.get<IConfigurationService>(IConfigurationService);
	const experimentationService = accessor.get<IExperimentationService>(IExperimentationService);
	const endpointProvider = accessor.get<IEndpointProvider>(IEndpointProvider);
	const editToolLearningService = accessor.get<IEditToolLearningService>(IEditToolLearningService);
	const authenticationService = accessor.get<IAuthenticationService>(IAuthenticationService);
	const logService = accessor.get<ILogService>(ILogService);

	model ??= await endpointProvider.getChatEndpoint(request);

View on GitHub (pinned to a94b963a32)

When it happens

Trigger: Thrown at extensions/copilot/src/extension/intents/node/agentIntent.ts:190 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/vscode@a94b963a32 (2026-08-12). Data as JSON: /api/errors/a5002ca5e2c77f59. Report an issue: GitHub.