diff --git a/packages/coding-agent/docs/settings.md b/packages/coding-agent/docs/settings.md
index 219f5d5f..acf036e2 100644
--- a/packages/coding-agent/docs/settings.md
+++ b/packages/coding-agent/docs/settings.md
@@ -69,6 +69,7 @@ Edit directly or use `/settings` for common options.
 | Setting | Type | Default | Description |
 |---------|------|---------|-------------|
 | `branchSummary.reserveTokens` | number | `16384` | Tokens reserved for branch summarization |
+| `branchSummary.skipPrompt` | boolean | `false` | Skip "Summarize branch?" prompt on `/tree` navigation (defaults to no summary) |
 
 ### Retry
 
diff --git a/packages/coding-agent/src/core/settings-manager.ts b/packages/coding-agent/src/core/settings-manager.ts
index b3cd8863..7cdd1048 100644
--- a/packages/coding-agent/src/core/settings-manager.ts
+++ b/packages/coding-agent/src/core/settings-manager.ts
@@ -12,6 +12,7 @@ export interface CompactionSettings {
 
 export interface BranchSummarySettings {
 	reserveTokens?: number; // default: 16384 (tokens reserved for prompt + LLM response)
+	skipPrompt?: boolean; // default: false - when true, skips "Summarize branch?" prompt and defaults to no summary
 }
 
 export interface RetrySettings {
@@ -607,12 +608,17 @@ export class SettingsManager {
 		};
 	}
 
-	getBranchSummarySettings(): { reserveTokens: number } {
+	getBranchSummarySettings(): { reserveTokens: number; skipPrompt: boolean } {
 		return {
 			reserveTokens: this.settings.branchSummary?.reserveTokens ?? 16384,
+			skipPrompt: this.settings.branchSummary?.skipPrompt ?? false,
 		};
 	}
 
+	getBranchSummarySkipPrompt(): boolean {
+		return this.settings.branchSummary?.skipPrompt ?? false;
+	}
+
 	getRetryEnabled(): boolean {
 		return this.settings.retry?.enabled ?? true;
 	}
diff --git a/packages/coding-agent/src/modes/interactive/interactive-mode.ts b/packages/coding-agent/src/modes/interactive/interactive-mode.ts
index 6e448524..43012dc8 100644
--- a/packages/coding-agent/src/modes/interactive/interactive-mode.ts
+++ b/packages/coding-agent/src/modes/interactive/interactive-mode.ts
@@ -3448,31 +3448,34 @@ export class InteractiveMode {
 					let wantsSummary = false;
 					let customInstructions: string | undefined;
 
-					while (true) {
-						const summaryChoice = await this.showExtensionSelector("Summarize branch?", [
-							"No summary",
-							"Summarize",
-							"Summarize with custom prompt",
-						]);
+					// Check if we should skip the prompt (user preference to always default to no summary)
+					if (!this.settingsManager.getBranchSummarySkipPrompt()) {
+						while (true) {
+							const summaryChoice = await this.showExtensionSelector("Summarize branch?", [
+								"No summary",
+								"Summarize",
+								"Summarize with custom prompt",
+							]);
 
-						if (summaryChoice === undefined) {
-							// User pressed escape - re-show tree selector with same selection
-							this.showTreeSelector(entryId);
-							return;
-						}
-
-						wantsSummary = summaryChoice !== "No summary";
-
-						if (summaryChoice === "Summarize with custom prompt") {
-							customInstructions = await this.showExtensionEditor("Custom summarization instructions");
-							if (customInstructions === undefined) {
-								// User cancelled - loop back to summary selector
-								continue;
+							if (summaryChoice === undefined) {
+								// User pressed escape - re-show tree selector with same selection
+								this.showTreeSelector(entryId);
+								return;
 							}
-						}
 
-						// User made a complete choice
-						break;
+							wantsSummary = summaryChoice !== "No summary";
+
+							if (summaryChoice === "Summarize with custom prompt") {
+								customInstructions = await this.showExtensionEditor("Custom summarization instructions");
+								if (customInstructions === undefined) {
+									// User cancelled - loop back to summary selector
+									continue;
+								}
+							}
+
+							// User made a complete choice
+							break;
+						}
 					}
 
 					// Set up escape handler and loader if summarizing