diff --git a/packages/atxp/src/call-tool.ts b/packages/atxp/src/call-tool.ts
index 52119df..3ca7c2e 100644
--- a/packages/atxp/src/call-tool.ts
+++ b/packages/atxp/src/call-tool.ts
@@ -2,6 +2,7 @@ import { atxpClient, ATXPAccount } from '@atxp/client';
 import chalk from 'chalk';
 import { getConnection } from './config.js';
 import { FileOAuthDb } from './file-oauth-db.js';
+import { getCliLogger } from './verbose.js';
 
 let oAuthDb: FileOAuthDb | null = null;
 function getOAuthDb(): FileOAuthDb {
@@ -33,6 +34,7 @@ export async function callTool(
       mcpServer: `https://${server}`,
       account: new ATXPAccount(connection),
       oAuthDb: getOAuthDb(),
+      logger: getCliLogger(),
     });
 
     const result = (await client.callTool({
diff --git a/packages/atxp/src/help.ts b/packages/atxp/src/help.ts
index 6bd0878..a9f1cd3 100644
--- a/packages/atxp/src/help.ts
+++ b/packages/atxp/src/help.ts
@@ -9,6 +9,10 @@ export function showHelp(): void {
   console.log('  npx atxp <command> [options]');
   console.log();
 
+  console.log(chalk.bold('Global Options:'));
+  console.log('  ' + chalk.yellow('--verbose, -v') + '      ' + 'Enable verbose output (OAuth debug logs)');
+  console.log();
+
   console.log(chalk.bold('Authentication:'));
   console.log('  ' + chalk.cyan('login') + '              ' + 'Log in to ATXP (save connection string)');
   console.log();
diff --git a/packages/atxp/src/verbose.test.ts b/packages/atxp/src/verbose.test.ts
new file mode 100644
index 0000000..9dfcfad
--- /dev/null
+++ b/packages/atxp/src/verbose.test.ts
@@ -0,0 +1,103 @@
+import { describe, it, expect, beforeEach, afterEach } from 'vitest';
+
+describe('Verbose Mode', () => {
+  let originalArgv: string[];
+  let originalDebug: string | undefined;
+
+  beforeEach(() => {
+    originalArgv = process.argv;
+    originalDebug = process.env.DEBUG;
+  });
+
+  afterEach(() => {
+    process.argv = originalArgv;
+    if (originalDebug === undefined) {
+      delete process.env.DEBUG;
+    } else {
+      process.env.DEBUG = originalDebug;
+    }
+  });
+
+  describe('isVerboseMode', () => {
+    it('should return true when --verbose flag is present', async () => {
+      process.argv = ['node', 'atxp', 'search', '--verbose'];
+      delete process.env.DEBUG;
+
+      // Re-import to get fresh evaluation
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return true when -v flag is present', async () => {
+      process.argv = ['node', 'atxp', 'search', '-v'];
+      delete process.env.DEBUG;
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return true when DEBUG=atxp is set', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      process.env.DEBUG = 'atxp';
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return true when DEBUG=1 is set', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      process.env.DEBUG = '1';
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return true when DEBUG=true is set', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      process.env.DEBUG = 'true';
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return true when DEBUG contains atxp', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      process.env.DEBUG = 'other,atxp,more';
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(true);
+    });
+
+    it('should return false when no verbose indicators are present', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      delete process.env.DEBUG;
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(false);
+    });
+
+    it('should return false when DEBUG is set to unrelated value', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      process.env.DEBUG = 'other';
+
+      const { isVerboseMode } = await import('./verbose.js');
+      expect(isVerboseMode()).toBe(false);
+    });
+  });
+
+  describe('getCliLogger', () => {
+    it('should return a ConsoleLogger instance', async () => {
+      process.argv = ['node', 'atxp', 'search'];
+      delete process.env.DEBUG;
+
+      const { getCliLogger } = await import('./verbose.js');
+      const logger = getCliLogger();
+
+      expect(logger).toBeDefined();
+      expect(typeof logger.debug).toBe('function');
+      expect(typeof logger.info).toBe('function');
+      expect(typeof logger.warn).toBe('function');
+      expect(typeof logger.error).toBe('function');
+    });
+  });
+});
diff --git a/packages/atxp/src/verbose.ts b/packages/atxp/src/verbose.ts
new file mode 100644
index 0000000..0689017
--- /dev/null
+++ b/packages/atxp/src/verbose.ts
@@ -0,0 +1,15 @@
+import { ConsoleLogger, LogLevel } from '@atxp/common';
+
+export function isVerboseMode(): boolean {
+  if (process.argv.includes('--verbose') || process.argv.includes('-v')) {
+    return true;
+  }
+  const debug = process.env.DEBUG?.toLowerCase();
+  return debug === '1' || debug === 'true' || debug?.includes('atxp') === true;
+}
+
+export function getCliLogger(): ConsoleLogger {
+  return new ConsoleLogger({
+    level: isVerboseMode() ? LogLevel.DEBUG : LogLevel.WARN,
+  });
+}