diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 7029bd512..c56a76100 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -63,6 +63,9 @@
 ### Fixed
 
 - Fixed session-tree rows rendering as bare bullets: bookkeeping entries (title changes, credential pins, mode and service-tier changes, TTSR injections, reset boundaries, session init) had no display text at all, so they drew as empty rows. They are now hidden in the default view like other settings entries, and labelled with what they recorded in `all` mode.
+### Fixed
+
+- Fixed extension and custom tools inheriting a same-named built-in TUI renderer, which could replace successful result content with incorrect built-in status text ([#7770](https://github.com/can1357/oh-my-pi/issues/7770)).
 
 ## [17.2.9] - 2026-08-05
 
diff --git a/packages/coding-agent/src/cli/gallery-cli.ts b/packages/coding-agent/src/cli/gallery-cli.ts
index b27b1e0dd..385c401e1 100644
--- a/packages/coding-agent/src/cli/gallery-cli.ts
+++ b/packages/coding-agent/src/cli/gallery-cli.ts
@@ -153,7 +153,7 @@ export async function renderGalleryState(
 	const component = new ToolExecutionComponent(
 		componentName,
 		streamingArgs,
-		{ showImages: false },
+		{ showImages: false, useBuiltInRenderer: !fixture.customRendered },
 		tool,
 		ui,
 		getProjectDir(),
diff --git a/packages/coding-agent/src/modes/components/agent-hub.ts b/packages/coding-agent/src/modes/components/agent-hub.ts
index e0ff47538..f63acd014 100644
--- a/packages/coding-agent/src/modes/components/agent-hub.ts
+++ b/packages/coding-agent/src/modes/components/agent-hub.ts
@@ -123,6 +123,8 @@ export interface AgentHubDeps {
 	ui?: TUI;
 	/** Tool lookup for transcript renderers (labels, custom render functions). */
 	getTool?: (name: string) => AgentTool | undefined;
+	/** Whether the active registry entry came from a built-in factory. */
+	isBuiltInTool?: (name: string) => boolean;
 	/** Extension message renderers for custom messages in the transcript. */
 	getMessageRenderer?: (customType: string) => MessageRenderer | undefined;
 	/** Cwd used by tool renderers for path shortening; defaults to the project dir. */
@@ -206,6 +208,7 @@ export class AgentHubOverlayComponent extends Container implements SelectListMou
 	// Transcript-viewer launch deps (passed through to AgentTranscriptViewer).
 	#ui: TUI;
 	#getTool: ((name: string) => AgentTool | undefined) | undefined;
+	#isBuiltInTool: ((name: string) => boolean) | undefined;
 	#getMessageRenderer: ((customType: string) => MessageRenderer | undefined) | undefined;
 	#cwd: string;
 	#hideThinkingBlock: (() => boolean) | undefined;
@@ -238,6 +241,7 @@ export class AgentHubOverlayComponent extends Container implements SelectListMou
 				requestComponentRender: () => deps.requestRender(),
 			} as unknown as TUI);
 		this.#getTool = deps.getTool;
+		this.#isBuiltInTool = deps.isBuiltInTool;
 		this.#getMessageRenderer = deps.getMessageRenderer;
 		this.#cwd = deps.cwd ?? getProjectDir();
 		this.#hideThinkingBlock = deps.hideThinkingBlock;
@@ -364,6 +368,7 @@ export class AgentHubOverlayComponent extends Container implements SelectListMou
 			lifecycle: this.#remote ? undefined : this.#lifecycle,
 			ui: this.#ui,
 			getTool: this.#getTool,
+			isBuiltInTool: this.#isBuiltInTool,
 			getMessageRenderer: this.#getMessageRenderer,
 			cwd: this.#cwd,
 			hideThinkingBlock: this.#hideThinkingBlock,
diff --git a/packages/coding-agent/src/modes/components/agent-transcript-viewer.ts b/packages/coding-agent/src/modes/components/agent-transcript-viewer.ts
index 0b8b8c428..138a58f88 100644
--- a/packages/coding-agent/src/modes/components/agent-transcript-viewer.ts
+++ b/packages/coding-agent/src/modes/components/agent-transcript-viewer.ts
@@ -43,6 +43,8 @@ export interface AgentTranscriptViewerDeps {
 	lifecycle?: () => AgentLifecycleManager;
 	ui: TUI;
 	getTool?: (name: string) => AgentTool | undefined;
+	/** Whether the active registry entry came from a built-in factory. */
+	isBuiltInTool?: (name: string) => boolean;
 	getMessageRenderer?: (customType: string) => MessageRenderer | undefined;
 	cwd: string;
 	hideThinkingBlock?: () => boolean;
@@ -161,6 +163,7 @@ export class AgentTranscriptViewer implements Component {
 		this.#builder = new ChatTranscriptBuilder({
 			ui: deps.ui,
 			getTool: deps.getTool,
+			isBuiltInTool: deps.isBuiltInTool,
 			getMessageRenderer: deps.getMessageRenderer,
 			cwd: deps.cwd,
 			hideThinkingBlock: deps.hideThinkingBlock,
diff --git a/packages/coding-agent/src/modes/components/chat-transcript-builder.ts b/packages/coding-agent/src/modes/components/chat-transcript-builder.ts
index c02eb74fa..625b71de3 100644
--- a/packages/coding-agent/src/modes/components/chat-transcript-builder.ts
+++ b/packages/coding-agent/src/modes/components/chat-transcript-builder.ts
@@ -61,6 +61,8 @@ import { CollapsedSyntheticMessageComponent, UserMessageComponent } from "./user
 export interface ChatTranscriptBuilderDeps {
 	ui: TUI;
 	getTool?: (name: string) => AgentTool | undefined;
+	/** Whether the active registry entry came from a built-in factory. */
+	isBuiltInTool?: (name: string) => boolean;
 	getMessageRenderer?: (customType: string) => MessageRenderer | undefined;
 	cwd: string;
 	hideThinkingBlock?: () => boolean;
@@ -392,6 +394,7 @@ export class ChatTranscriptBuilder {
 				content.name,
 				content.arguments,
 				{
+					useBuiltInRenderer: this.deps.isBuiltInTool?.(content.name) ?? true,
 					// Stable ids and Kitty placeholder cells keep images anchored
 					// while the transcript viewport scrolls and reflows.
 					showImages: settings.get("terminal.showImages"),
diff --git a/packages/coding-agent/src/modes/components/tool-execution.ts b/packages/coding-agent/src/modes/components/tool-execution.ts
index 016ac6884..0fb863e69 100644
--- a/packages/coding-agent/src/modes/components/tool-execution.ts
+++ b/packages/coding-agent/src/modes/components/tool-execution.ts
@@ -23,7 +23,7 @@ import { formatDefaultToolExecution } from "../../tools/default-renderer";
 import { EVAL_DEFAULT_PREVIEW_LINES } from "../../tools/eval";
 import { isWaitingPollDetails } from "../../tools/hub";
 import { formatStatusIcon, replaceTabs, resolveImageOptions } from "../../tools/render-utils";
-import { type FirstResultViewportRepaint, toolRenderers } from "../../tools/renderers";
+import { type FirstResultViewportRepaint, type ToolRenderer, toolRenderers } from "../../tools/renderers";
 import { TODO_STRIKE_TOTAL_FRAMES, type TodoToolDetails } from "../../tools/todo";
 import type { XdevState } from "../../tools/xdev";
 import { isFramedBlockComponent, markFramedBlockComponent, renderStatusLine, WidthAwareText } from "../../tui";
@@ -226,6 +226,8 @@ export interface ToolExecutionOptions {
 	/** Session-persistent edit clipboard register, forked per preview frame. */
 	clipboard?: Clipboard;
 	showImages?: boolean; // default: true (only used if terminal supports images)
+	/** Allow the name-keyed renderer registry only when the active tool is the built-in implementation. */
+	useBuiltInRenderer?: boolean;
 	editFuzzyThreshold?: number;
 	editAllowFuzzy?: boolean;
 	/** Live-region probe used to settle detached task progress once the block
@@ -312,6 +314,7 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 	// forcing the common image-free result to re-shape on every resize tick.
 	#renderedImageCount = 0;
 	#tool?: AgentTool;
+	#renderer?: ToolRenderer;
 	#ui: ToolExecutionUi;
 	#cwd: string;
 	#result?: {
@@ -398,6 +401,7 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 		super();
 		this.#toolName = toolName;
 		this.#toolLabel = tool?.label ?? toolName;
+		this.#renderer = options.useBuiltInRenderer === false ? undefined : toolRenderers[toolName];
 		this.#showImages = options.showImages ?? true;
 		this.#editFuzzyThreshold = options.editFuzzyThreshold;
 		this.#editAllowFuzzy = options.editAllowFuzzy;
@@ -418,10 +422,9 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 		this.#contentBox = new Box(0, 1);
 		this.#contentText = new WidthAwareText(contentWidth => this.#renderDefaultCard(contentWidth), 1, 1);
 
-		// Use Box for custom tools or built-in tools that have renderers
-		const hasRenderer = toolName in toolRenderers;
+		// Use Box for custom tools or built-in tools with rich renderers.
 		const hasCustomRenderer = !!(tool?.renderCall || tool?.renderResult);
-		this.#usesContentBox = hasCustomRenderer || hasRenderer;
+		this.#usesContentBox = hasCustomRenderer || this.#renderer !== undefined;
 		if (this.#usesContentBox) {
 			this.addChild(this.#contentBox);
 		} else {
@@ -668,12 +671,7 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 		const isStreamingArgs = !this.#argsComplete && (isEditLikeToolName(this.#toolName) || this.#toolName === "write");
 		const isBackgroundAsyncRunning =
 			(this.#result?.details as { async?: { state?: string } } | undefined)?.async?.state === "running";
-		const renderer = toolRenderers[this.#toolName] as
-			| {
-					animatedPendingPreview?: boolean | ((args: unknown) => boolean);
-					animatedPartialResult?: boolean | ((args: unknown) => boolean);
-			  }
-			| undefined;
+		const renderer = this.#renderer;
 		const pendingAnimation = renderer?.animatedPendingPreview;
 		const partialAnimation = renderer?.animatedPartialResult;
 		const pendingCallConsumesSpinner =
@@ -933,7 +931,7 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 
 	#rendererFlag(name: "forceResultViewportRepaintOnSettle"): boolean {
 		const toolValue = (this.#tool as Record<string, unknown> | undefined)?.[name];
-		const rendererValue = toolRenderers[this.#toolName]?.[name];
+		const rendererValue = this.#renderer?.[name];
 		return toolValue === true || (toolValue === undefined && rendererValue === true);
 	}
 
@@ -948,8 +946,7 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 		if (this.#result !== undefined) return false;
 		const toolValue = (this.#tool as { forceFirstResultViewportRepaint?: FirstResultViewportRepaint } | undefined)
 			?.forceFirstResultViewportRepaint;
-		const value =
-			toolValue !== undefined ? toolValue : toolRenderers[this.#toolName]?.forceFirstResultViewportRepaint;
+		const value = toolValue !== undefined ? toolValue : this.#renderer?.forceFirstResultViewportRepaint;
 		if (typeof value === "function") return value(this.#args, this.#renderState);
 		return value === true;
 	}
@@ -1101,9 +1098,9 @@ export class ToolExecutionComponent extends Container implements NativeScrollbac
 			const customFramed = this.#contentBox.children.some(isFramedBlockComponent);
 			this.#contentBox.setPaddingX(customFramed ? 0 : 1);
 			this.#contentBox.setBgFn(customFramed ? undefined : stateBgFn);
-		} else if (this.#toolName in toolRenderers) {
-			// Built-in tools with renderers
-			const renderer = toolRenderers[this.#toolName];
+		} else if (this.#renderer) {
+			// The active registry entry is a built-in tool with a rich renderer.
+			const renderer = this.#renderer;
 
 			// Clean up previous multi-file boxes
 			for (const box of this.#multiFileBoxes) {
diff --git a/packages/coding-agent/src/modes/controllers/event-controller.ts b/packages/coding-agent/src/modes/controllers/event-controller.ts
index 779b86f6d..c0937abaa 100644
--- a/packages/coding-agent/src/modes/controllers/event-controller.ts
+++ b/packages/coding-agent/src/modes/controllers/event-controller.ts
@@ -1073,6 +1073,7 @@ export class EventController {
 						content.name,
 						renderArgs,
 						{
+							useBuiltInRenderer: this.ctx.viewSession.hasBuiltInTool(content.name),
 							snapshots: getFileSnapshotStore(this.ctx.viewSession),
 							clipboard: getEditClipboard(this.ctx.viewSession),
 							showImages: settings.get("terminal.showImages"),
@@ -1322,6 +1323,7 @@ export class EventController {
 				event.toolName,
 				event.args,
 				{
+					useBuiltInRenderer: this.ctx.viewSession.hasBuiltInTool(event.toolName),
 					snapshots: getFileSnapshotStore(this.ctx.viewSession),
 					clipboard: getEditClipboard(this.ctx.viewSession),
 					showImages: settings.get("terminal.showImages"),
diff --git a/packages/coding-agent/src/modes/controllers/selector-controller.ts b/packages/coding-agent/src/modes/controllers/selector-controller.ts
index b3fd2384b..ff68a4979 100644
--- a/packages/coding-agent/src/modes/controllers/selector-controller.ts
+++ b/packages/coding-agent/src/modes/controllers/selector-controller.ts
@@ -2026,6 +2026,7 @@ export class SelectorController {
 			remote: this.ctx.collabGuest?.hubRemote,
 			ui: this.ctx.ui,
 			getTool: name => this.ctx.session.getToolByName(name),
+			isBuiltInTool: name => this.ctx.session.hasBuiltInTool(name),
 			getMessageRenderer: type => this.ctx.session.extensionRunner?.getMessageRenderer(type),
 			cwd: this.ctx.sessionManager.getCwd(),
 			hideThinkingBlock: () => this.ctx.effectiveHideThinkingBlock,
diff --git a/packages/coding-agent/src/modes/utils/ui-helpers.ts b/packages/coding-agent/src/modes/utils/ui-helpers.ts
index 4d0238b22..346b52d16 100644
--- a/packages/coding-agent/src/modes/utils/ui-helpers.ts
+++ b/packages/coding-agent/src/modes/utils/ui-helpers.ts
@@ -500,6 +500,7 @@ export class UiHelpers {
 						content.name,
 						renderArgs,
 						{
+							useBuiltInRenderer: this.ctx.viewSession.hasBuiltInTool(content.name),
 							snapshots: getFileSnapshotStore(this.ctx.viewSession),
 							clipboard: getEditClipboard(this.ctx.viewSession),
 							showImages: settings.get("terminal.showImages"),
diff --git a/packages/coding-agent/test/modes/components/tool-execution.test.ts b/packages/coding-agent/test/modes/components/tool-execution.test.ts
index c95fe2360..1c641e973 100644
--- a/packages/coding-agent/test/modes/components/tool-execution.test.ts
+++ b/packages/coding-agent/test/modes/components/tool-execution.test.ts
@@ -104,6 +104,37 @@ describe("ToolExecutionComponent custom renderer failures", () => {
 		}).not.toThrow();
 		expect(text).toContain(rawResultText);
 	});
+
+	it("renders a same-named extension tool result with the generic renderer", () => {
+		const resultText = "recalled postgres memory";
+		const tool: AgentTool = {
+			name: "recall",
+			label: "Extension Recall",
+			description: "recalls external memory",
+			parameters: { type: "object", additionalProperties: true },
+			async execute() {
+				return { content: [{ type: "text", text: resultText }] };
+			},
+		};
+		const ui: ToolExecutionUi = {
+			requestRender() {},
+			requestComponentRender(_component: Component) {},
+			resetDisplay() {},
+		};
+		const component = new ToolExecutionComponent(
+			"recall",
+			{ query: "project context" },
+			{ showImages: false, useBuiltInRenderer: false },
+			tool,
+			ui,
+			process.cwd(),
+		);
+		component.updateResult({ content: [{ type: "text", text: resultText }] }, false);
+
+		const rendered = visibleText(component.render(80));
+		expect(rendered).toContain(resultText);
+		expect(rendered).not.toContain("no matches");
+	});
 });
 
 describe("MCP result Markdown rendering", () => {