diff --git a/packages/cli/src/config/config.ts b/packages/cli/src/config/config.ts
index b3709ba0cd..8b7f833aef 100755
--- a/packages/cli/src/config/config.ts
+++ b/packages/cli/src/config/config.ts
@@ -925,6 +925,7 @@ export async function loadCliConfig(
     toolDiscoveryCommand: settings.tools?.discoveryCommand,
     toolCallCommand: settings.tools?.callCommand,
     mcpServerCommand,
+    shellToolRcFile: settings.tools?.shell?.rcFile,
     mcpServers,
     mcpEnablementCallbacks,
     mcpEnabled,
diff --git a/packages/cli/src/config/settingsSchema.ts b/packages/cli/src/config/settingsSchema.ts
index 20d907ad54..ddeefde74e 100644
--- a/packages/cli/src/config/settingsSchema.ts
+++ b/packages/cli/src/config/settingsSchema.ts
@@ -1637,6 +1637,16 @@ const SETTINGS_SCHEMA = {
               'Enable shell output efficiency optimizations for better performance.',
             showInDialog: false,
           },
+          rcFile: {
+            type: 'string',
+            label: 'Shell Tool RC File',
+            category: 'Tools',
+            requiresRestart: false,
+            default: undefined as string | undefined,
+            description:
+              'The path to a bash file (e.g., .bashrc) to source before executing shell commands.',
+            showInDialog: false,
+          },
         },
       },
 
diff --git a/packages/core/src/config/config.ts b/packages/core/src/config/config.ts
index 8b2f23c6ff..6190494db9 100644
--- a/packages/core/src/config/config.ts
+++ b/packages/core/src/config/config.ts
@@ -602,6 +602,7 @@ export interface ConfigParameters {
   toolDiscoveryCommand?: string;
   toolCallCommand?: string;
   mcpServerCommand?: string;
+  shellToolRcFile?: string;
   mcpServers?: Record<string, MCPServerConfig>;
   mcpEnablementCallbacks?: McpEnablementCallbacks;
   userMemory?: string | HierarchicalMemory;
@@ -779,6 +780,7 @@ export class Config implements McpContext, AgentLoopContext {
   private readonly toolDiscoveryCommand: string | undefined;
   private readonly toolCallCommand: string | undefined;
   private readonly mcpServerCommand: string | undefined;
+  private readonly shellToolRcFile: string | undefined;
   private readonly mcpEnabled: boolean;
   private readonly extensionsEnabled: boolean;
   private mcpServers: Record<string, MCPServerConfig> | undefined;
@@ -1047,6 +1049,7 @@ export class Config implements McpContext, AgentLoopContext {
     this.toolDiscoveryCommand = params.toolDiscoveryCommand;
     this.toolCallCommand = params.toolCallCommand;
     this.mcpServerCommand = params.mcpServerCommand;
+    this.shellToolRcFile = params.shellToolRcFile;
     this.mcpServers = params.mcpServers;
     this.mcpEnablementCallbacks = params.mcpEnablementCallbacks;
     this.mcpEnabled = params.mcpEnabled ?? true;
@@ -2318,6 +2321,10 @@ export class Config implements McpContext, AgentLoopContext {
     return this.mcpServerCommand;
   }
 
+  getShellToolRcFile(): string | undefined {
+    return this.shellToolRcFile;
+  }
+
   /**
    * The user configured MCP servers (via gemini settings files).
    *
diff --git a/packages/core/src/tools/shell.test.ts b/packages/core/src/tools/shell.test.ts
index 9f83b00bb6..17e78336ba 100644
--- a/packages/core/src/tools/shell.test.ts
+++ b/packages/core/src/tools/shell.test.ts
@@ -164,6 +164,7 @@ describe('ShellTool', () => {
         addPersistentApproval: vi.fn(),
         addSessionApproval: vi.fn(),
       },
+      getShellToolRcFile: vi.fn().mockReturnValue(undefined),
     } as unknown as Config;
 
     const bus = createMockMessageBus();
@@ -486,6 +487,25 @@ EOF`;
       expect(mockShellExecutionService.mock.calls[0][0]).toMatch(/\nEOF\n\)\n/);
     });
 
+    it('should source rcfile when shellToolRcFile setting is present', async () => {
+      const rcFilePath = '~/.geminirc';
+      (mockConfig.getShellToolRcFile as Mock).mockReturnValue(rcFilePath);
+
+      const invocation = shellTool.build({ command: 'my-command' });
+      const promise = invocation.execute({ abortSignal: mockAbortSignal });
+      resolveShellExecution();
+      await promise;
+
+      expect(mockShellExecutionService).toHaveBeenCalledWith(
+        expect.stringContaining(`source ${rcFilePath} && my-command`),
+        expect.any(String),
+        expect.any(Function),
+        expect.any(AbortSignal),
+        false,
+        expect.any(Object),
+      );
+    });
+
     it('should format error messages correctly', async () => {
       const error = new Error('wrapped command failed');
       const invocation = shellTool.build({ command: 'user-command' });
diff --git a/packages/core/src/tools/shell.ts b/packages/core/src/tools/shell.ts
index a2cb44aba0..90bca1a4be 100644
--- a/packages/core/src/tools/shell.ts
+++ b/packages/core/src/tools/shell.ts
@@ -462,13 +462,19 @@ export class ShellToolInvocation extends BaseToolInvocation<
     const combinedController = new AbortController();
 
     const onAbort = () => combinedController.abort();
+    let strippedCommandWithRc = strippedCommand;
+    const rcFilePath = this.context.config.getShellToolRcFile();
+    if (rcFilePath) {
+      strippedCommandWithRc = `source ${rcFilePath} && ${strippedCommand}`;
+    }
+
     try {
       tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'gemini-shell-'));
       tempFilePath = path.join(tempDir, 'pgrep.tmp');
 
       // pgrep is not available on Windows, so we can't get background PIDs
       const commandToExecute = this.wrapCommandForPgrep(
-        strippedCommand,
+        strippedCommandWithRc,
         tempFilePath,
         isWindows,
       );