diff --git a/pi/files/agent/extensions/sub-bar-local.ts b/pi/files/agent/extensions/sub-bar-local.ts
index a16c394..e4c3eaa 100644
--- a/pi/files/agent/extensions/sub-bar-local.ts
+++ b/pi/files/agent/extensions/sub-bar-local.ts
@@ -46,7 +46,8 @@ interface PiAuthShape {
 }
 
 const CACHE_TTL_MS = 5 * 60 * 1000;
-const REFRESH_MS = 2 * 60 * 1000;
+const ANTHROPIC_CACHE_TTL_MS = 30 * 60 * 1000;
+const REFRESH_MS = 5 * 60 * 1000;
 const PROVIDER_ORDER: ProviderName[] = ["anthropic", "codex", "gemini", "opencode-go"];
 const SHORTCUT_TOGGLE = "ctrl+alt+b";
 const showToggleState = async (ctx: ExtensionContext, next: boolean, refresh: () => Promise<void>) => {
@@ -200,7 +201,12 @@ function buildColumnWidths(totalWidth: number, columns: number): number[] {
 	return widths;
 }
 
-function formatUsageTwoLines(theme: Theme, usage: UsageSnapshot, width: number): { top: string; bottom?: string } {
+function formatUsageTwoLines(
+	theme: Theme,
+	usage: UsageSnapshot,
+	width: number,
+	statusNote?: string,
+): { top: string; bottom?: string } {
 	const provider = theme.bold(theme.fg("accent", usage.displayName));
 	if (usage.error && usage.windows.length === 0) {
 		const age = getErrorAge(usage.lastSuccessAt);
@@ -244,7 +250,11 @@ function formatUsageTwoLines(theme: Theme, usage: UsageSnapshot, width: number):
 		return barForPercent(theme, pct, colWidth);
 	});
 
-	const top = prefix + topCols.join(gap);
+	let top = prefix + topCols.join(gap);
+	if (statusNote) {
+		const note = theme.fg("warning", ` ⚠ ${statusNote}`);
+		top = truncateToWidth(top + note, width);
+	}
 	const bottomPrefix = " ".repeat(prefixWidth);
 	const bottom = bottomPrefix + bottomCols.join(gap);
 
@@ -459,6 +469,7 @@ export default function createSubBarLocal(pi: ExtensionAPI) {
 	let activeProvider: ProviderName | "auto" = "auto";
 	let widgetEnabled = true;
 	let refreshTimer: NodeJS.Timeout | undefined;
+	let anthropicRetryAfter = 0;
 	const cache: Partial<Record<ProviderName, ProviderCache>> = {};
 
 	function getSelectedProvider(ctx?: ExtensionContext): ProviderName | undefined {
@@ -487,10 +498,24 @@ export default function createSubBarLocal(pi: ExtensionAPI) {
 					const safeWidth = Math.max(1, width);
 					const topDivider = theme.fg("dim", "─".repeat(safeWidth));
 					if (!snapshot) {
-						const loading = truncateToWidth(theme.fg("dim", `sub bar loading ${provider} usage...`), safeWidth);
+						const cooldown = provider === "anthropic" && anthropicRetryAfter > Date.now()
+							? formatDuration(Math.max(1, Math.floor((anthropicRetryAfter - Date.now()) / 1000)))
+							: undefined;
+						const text = cooldown
+							? `anthropic usage limited, retry in ${cooldown}`
+							: `sub bar loading ${provider} usage...`;
+						const loading = truncateToWidth(theme.fg("dim", text), safeWidth);
 						return [topDivider, padToWidth(loading, safeWidth)];
 					}
-					const lines = formatUsageTwoLines(theme, snapshot, safeWidth);
+					const cooldown = provider === "anthropic" && anthropicRetryAfter > Date.now()
+						? formatDuration(Math.max(1, Math.floor((anthropicRetryAfter - Date.now()) / 1000)))
+						: undefined;
+					const statusNote = snapshot.error
+						? snapshot.error
+						: cooldown
+							? `usage endpoint limited, retry in ${cooldown}`
+							: undefined;
+					const lines = formatUsageTwoLines(theme, snapshot, safeWidth, statusNote);
 					const output = [topDivider, lines.top];
 					if (lines.bottom) output.push(lines.bottom);
 					return output;
@@ -507,14 +532,22 @@ export default function createSubBarLocal(pi: ExtensionAPI) {
 			ctx.ui.setWidget("sub-bar-local", undefined);
 			return;
 		}
+		if (provider === "anthropic" && anthropicRetryAfter > Date.now()) {
+			render(ctx);
+			return;
+		}
 		const cached = cache[provider]?.usage;
-		if (!force && cached && Date.now() - cached.fetchedAt < CACHE_TTL_MS) {
+		const ttl = provider === "anthropic" ? ANTHROPIC_CACHE_TTL_MS : CACHE_TTL_MS;
+		if (!force && cached && Date.now() - cached.fetchedAt < ttl) {
 			render(ctx);
 			return;
 		}
 
 		try {
 			const fresh = await fetchUsage(provider);
+			if (provider === "anthropic") {
+				anthropicRetryAfter = 0;
+			}
 			cache[provider] = {
 				usage: {
 					...fresh,
@@ -526,18 +559,37 @@ export default function createSubBarLocal(pi: ExtensionAPI) {
 		} catch (error) {
 			const message = error instanceof Error ? error.message : "fetch failed";
 			const fallback = cache[provider]?.usage;
-			cache[provider] = {
-				usage: {
-					provider,
-					displayName: fallback?.displayName ?? provider,
-					windows: fallback?.windows ?? [],
-					error: message,
-					fetchedAt: Date.now(),
+			const isAnthropic429 = provider === "anthropic" && message.includes("429");
+
+			if (isAnthropic429) {
+				anthropicRetryAfter = Date.now() + 30 * 60 * 1000;
+			}
+
+			if (isAnthropic429 && fallback) {
+				cache[provider] = {
+					usage: {
+						...fallback,
+						fetchedAt: Date.now(),
+						fromCache: true,
+					},
 					lastSuccessAt: cache[provider]?.lastSuccessAt,
-					fromCache: Boolean(fallback),
-				},
-				lastSuccessAt: cache[provider]?.lastSuccessAt,
-			};
+				};
+			} else if (isAnthropic429) {
+				delete cache[provider];
+			} else {
+				cache[provider] = {
+					usage: {
+						provider,
+						displayName: fallback?.displayName ?? provider,
+						windows: fallback?.windows ?? [],
+						error: message,
+						fetchedAt: Date.now(),
+						lastSuccessAt: cache[provider]?.lastSuccessAt,
+						fromCache: Boolean(fallback),
+					},
+					lastSuccessAt: cache[provider]?.lastSuccessAt,
+				};
+			}
 		}
 
 		render(ctx);
@@ -608,7 +660,11 @@ export default function createSubBarLocal(pi: ExtensionAPI) {
 		if (!ctx.hasUI) return;
 		render(ctx);
 		if (activeProvider === "auto") {
-			await refreshCurrent(ctx, true);
+			if (getSelectedProvider(ctx) === "anthropic") {
+				render(ctx);
+			} else {
+				await refreshCurrent(ctx, false);
+			}
 		}
 	});