diff --git a/.ci/cloudbuild.yaml b/.ci/cloudbuild.yaml
index 331559cd..bda91a75 100644
--- a/.ci/cloudbuild.yaml
+++ b/.ci/cloudbuild.yaml
@@ -18,7 +18,31 @@ steps:
     entrypoint: bash
     env:
       - "IP_TYPE=${_IP_TYPE}"
-    secretEnv: ['MYSQL_CONNECTION_NAME', 'MYSQL_USER', 'MYSQL_IAM_USER', 'MYSQL_PASS', 'MYSQL_DB', 'POSTGRES_CONNECTION_NAME', 'POSTGRES_USER', 'POSTGRES_IAM_USER', 'POSTGRES_PASS', 'POSTGRES_DB', 'POSTGRES_CAS_CONNECTION_NAME', 'POSTGRES_CAS_PASS', 'POSTGRES_CUSTOMER_CAS_CONNECTION_NAME', 'POSTGRES_CUSTOMER_CAS_PASS', 'POSTGRES_CUSTOMER_CAS_DOMAIN_NAME', 'POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME', 'SQLSERVER_CONNECTION_NAME', 'SQLSERVER_USER', 'SQLSERVER_PASS', 'SQLSERVER_DB']
+    secretEnv: 
+      [
+        "MYSQL_CONNECTION_NAME", 
+        "MYSQL_USER", 
+        "MYSQL_IAM_USER", 
+        "MYSQL_PASS", 
+        "MYSQL_DB", 
+        "POSTGRES_CONNECTION_NAME", 
+        "POSTGRES_USER", 
+        "POSTGRES_IAM_USER", 
+        "POSTGRES_PASS", 
+        "POSTGRES_DB", 
+        "POSTGRES_CAS_CONNECTION_NAME", 
+        "POSTGRES_CAS_PASS", 
+        "POSTGRES_CUSTOMER_CAS_CONNECTION_NAME", 
+        "POSTGRES_CUSTOMER_CAS_PASS", 
+        "POSTGRES_CUSTOMER_CAS_DOMAIN_NAME", 
+        "POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME", 
+        "POSTGRES_MCP_CONNECTION_NAME", 
+        "POSTGRES_MCP_PASS", 
+        "SQLSERVER_CONNECTION_NAME", 
+        "SQLSERVER_USER", 
+        "SQLSERVER_PASS", 
+        "SQLSERVER_DB",
+      ]
     args:
       - "-c"
       - |
@@ -28,46 +52,50 @@ steps:
     timeout: 300s
 availableSecrets:
   secretManager:
-  - versionName: 'projects/$PROJECT_ID/secrets/MYSQL_CONNECTION_NAME/versions/latest'
-    env: 'MYSQL_CONNECTION_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/MYSQL_USER/versions/latest'
-    env: 'MYSQL_USER'
-  - versionName: 'projects/$PROJECT_ID/secrets/CLOUD_BUILD_MYSQL_IAM_USER/versions/latest'
-    env: 'MYSQL_IAM_USER'
-  - versionName: 'projects/$PROJECT_ID/secrets/MYSQL_PASS/versions/latest'
-    env: 'MYSQL_PASS'
-  - versionName: 'projects/$PROJECT_ID/secrets/MYSQL_DB/versions/latest'
-    env: 'MYSQL_DB'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CONNECTION_NAME/versions/latest'
-    env: 'POSTGRES_CONNECTION_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_USER/versions/latest'
-    env: 'POSTGRES_USER'
-  - versionName: 'projects/$PROJECT_ID/secrets/CLOUD_BUILD_POSTGRES_IAM_USER/versions/latest'
-    env: 'POSTGRES_IAM_USER'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_PASS/versions/latest'
-    env: 'POSTGRES_PASS'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_DB/versions/latest'
-    env: 'POSTGRES_DB'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CAS_CONNECTION_NAME/versions/latest'
-    env: 'POSTGRES_CAS_CONNECTION_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CAS_PASS/versions/latest'
-    env: 'POSTGRES_CAS_PASS'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_CONNECTION_NAME/versions/latest'
-    env: 'POSTGRES_CUSTOMER_CAS_CONNECTION_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_PASS/versions/latest'
-    env: 'POSTGRES_CUSTOMER_CAS_PASS'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_DOMAIN_NAME/versions/latest'
-    env: 'POSTGRES_CUSTOMER_CAS_DOMAIN_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME/versions/latest'
-    env: 'POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/SQLSERVER_CONNECTION_NAME/versions/latest'
-    env: 'SQLSERVER_CONNECTION_NAME'
-  - versionName: 'projects/$PROJECT_ID/secrets/SQLSERVER_USER/versions/latest'
-    env: 'SQLSERVER_USER'
-  - versionName: 'projects/$PROJECT_ID/secrets/SQLSERVER_PASS/versions/latest'
-    env: 'SQLSERVER_PASS'
-  - versionName: 'projects/$PROJECT_ID/secrets/SQLSERVER_DB/versions/latest'
-    env: 'SQLSERVER_DB'
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_CONNECTION_NAME/versions/latest"
+      env: "MYSQL_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_USER/versions/latest"
+      env: "MYSQL_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/CLOUD_BUILD_MYSQL_IAM_USER/versions/latest"
+      env: "MYSQL_IAM_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_PASS/versions/latest"
+      env: "MYSQL_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_DB/versions/latest"
+      env: "MYSQL_DB"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CONNECTION_NAME/versions/latest"
+      env: "POSTGRES_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_USER/versions/latest"
+      env: "POSTGRES_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/CLOUD_BUILD_POSTGRES_IAM_USER/versions/latest"
+      env: "POSTGRES_IAM_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_PASS/versions/latest"
+      env: "POSTGRES_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_DB/versions/latest"
+      env: "POSTGRES_DB"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CAS_CONNECTION_NAME/versions/latest"
+      env: "POSTGRES_CAS_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CAS_PASS/versions/latest"
+      env: "POSTGRES_CAS_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_CONNECTION_NAME/versions/latest"
+      env: "POSTGRES_CUSTOMER_CAS_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_PASS/versions/latest"
+      env: "POSTGRES_CUSTOMER_CAS_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_DOMAIN_NAME/versions/latest"
+      env: "POSTGRES_CUSTOMER_CAS_DOMAIN_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME/versions/latest"
+      env: "POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_MCP_CONNECTION_NAME/versions/latest"
+      env: "POSTGRES_MCP_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/POSTGRES_MCP_PASS/versions/latest"
+      env: "POSTGRES_MCP_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/SQLSERVER_CONNECTION_NAME/versions/latest"
+      env: "SQLSERVER_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/SQLSERVER_USER/versions/latest"
+      env: "SQLSERVER_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/SQLSERVER_PASS/versions/latest"
+      env: "SQLSERVER_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/SQLSERVER_DB/versions/latest"
+      env: "SQLSERVER_DB"
 substitutions:
   _VERSION: ${_VERSION}
   _IP_TYPE: ${_IP_TYPE}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index da51b98f..7d4185b8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -163,6 +163,8 @@ jobs:
             POSTGRES_CUSTOMER_CAS_PASS:${{ vars.GOOGLE_CLOUD_PROJECT }}/POSTGRES_CUSTOMER_CAS_PASS
             POSTGRES_CUSTOMER_CAS_DOMAIN_NAME:${{ vars.GOOGLE_CLOUD_PROJECT }}/POSTGRES_CUSTOMER_CAS_DOMAIN_NAME
             POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME:${{ vars.GOOGLE_CLOUD_PROJECT }}/POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME
+            POSTGRES_MCP_CONNECTION_NAME:${{ vars.GOOGLE_CLOUD_PROJECT }}/POSTGRES_MCP_CONNECTION_NAME
+            POSTGRES_MCP_PASS:${{ vars.GOOGLE_CLOUD_PROJECT }}/POSTGRES_MCP_PASS
             SQLSERVER_CONNECTION_NAME:${{ vars.GOOGLE_CLOUD_PROJECT }}/SQLSERVER_CONNECTION_NAME
             SQLSERVER_USER:${{ vars.GOOGLE_CLOUD_PROJECT }}/SQLSERVER_USER
             SQLSERVER_PASS:${{ vars.GOOGLE_CLOUD_PROJECT }}/SQLSERVER_PASS
@@ -192,6 +194,8 @@ jobs:
           POSTGRES_CUSTOMER_CAS_PASS: "${{ steps.secrets.outputs.POSTGRES_CUSTOMER_CAS_PASS }}"
           POSTGRES_CUSTOMER_CAS_DOMAIN_NAME: "${{ steps.secrets.outputs.POSTGRES_CUSTOMER_CAS_DOMAIN_NAME }}"
           POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME: "${{ steps.secrets.outputs.POSTGRES_CUSTOMER_CAS_INVALID_DOMAIN_NAME }}"
+          POSTGRES_MCP_CONNECTION_NAME: "${{ steps.secrets.outputs.POSTGRES_MCP_CONNECTION_NAME }}"
+          POSTGRES_MCP_PASS: "${{ steps.secrets.outputs.POSTGRES_MCP_PASS }}"
           SQLSERVER_CONNECTION_NAME: "${{ steps.secrets.outputs.SQLSERVER_CONNECTION_NAME }}"
           SQLSERVER_USER: "${{ steps.secrets.outputs.SQLSERVER_USER }}"
           SQLSERVER_PASS: "${{ steps.secrets.outputs.SQLSERVER_PASS }}"
diff --git a/system-test/pg-connect.cjs b/system-test/pg-connect.cjs
index f100a6e7..8c52b160 100644
--- a/system-test/pg-connect.cjs
+++ b/system-test/pg-connect.cjs
@@ -204,3 +204,31 @@ t.test(
   }
 );
 
+t.test('open connection to MCP instance retrieves standard pg tables', async t => {
+  const connector = new Connector();
+  const clientOpts = await connector.getOptions({
+    instanceConnectionName: process.env.POSTGRES_MCP_CONNECTION_NAME,
+    ipType: process.env.IP_TYPE || 'PUBLIC',
+  });
+  const client = new Client({
+    ...clientOpts,
+    user: process.env.POSTGRES_USER,
+    password: process.env.POSTGRES_MCP_PASS,
+    database: process.env.POSTGRES_DB,
+  });
+  t.after(async () => {
+    try {
+      await client.end();
+    } finally {
+      connector.close();
+    }
+  });
+
+  await client.connect();
+
+  const {
+    rows: [result],
+  } = await client.query('SELECT NOW();');
+  const returnedDate = result['now'];
+  t.ok(returnedDate.getTime(), 'should have valid returned date object');
+});
diff --git a/system-test/pg-connect.mjs b/system-test/pg-connect.mjs
index ff41576f..2476492d 100644
--- a/system-test/pg-connect.mjs
+++ b/system-test/pg-connect.mjs
@@ -204,3 +204,35 @@ t.test(
     }
   }
 );
+
+t.test(
+  'open connection to MCP instance retrieves standard pg tables',
+  async t => {
+    const connector = new Connector();
+    const clientOpts = await connector.getOptions({
+      instanceConnectionName: String(process.env.POSTGRES_MCP_CONNECTION_NAME),
+      ipType: process.env.IP_TYPE || 'PUBLIC',
+    });
+    const client = new Client({
+      ...clientOpts,
+      user: String(process.env.POSTGRES_USER),
+      password: String(process.env.POSTGRES_MCP_PASS),
+      database: String(process.env.POSTGRES_DB),
+    });
+    t.after(async () => {
+      try {
+        await client.end();
+      } finally {
+        connector.close();
+      }
+    });
+  
+    await client.connect();
+  
+    const {
+      rows: [result],
+    } = await client.query('SELECT NOW();');
+    const returnedDate = result['now'];
+    t.ok(returnedDate.getTime(), 'should have valid returned date object');
+  }
+);
diff --git a/system-test/pg-connect.ts b/system-test/pg-connect.ts
index 0966aa3a..436504d6 100644
--- a/system-test/pg-connect.ts
+++ b/system-test/pg-connect.ts
@@ -207,3 +207,35 @@ t.test(
     }
   }
 );
+
+t.test(
+  'open connection to MCP instance retrieves standard pg tables',
+  async t => {
+    const connector = new Connector();
+    const clientOpts = await connector.getOptions({
+      instanceConnectionName: String(process.env.POSTGRES_MCP_CONNECTION_NAME),
+      ipType: process.env.IP_TYPE || IpAddressTypes.PUBLIC,
+    });
+    const client = new Client({
+      ...clientOpts,
+      user: String(process.env.POSTGRES_USER),
+      password: String(process.env.POSTGRES_MCP_PASS),
+      database: String(process.env.POSTGRES_DB),
+    });
+    t.after(async () => {
+      try {
+        await client.end();
+      } finally {
+        connector.close();
+      }
+    });
+
+    await client.connect();
+
+    const {
+      rows: [result],
+    } = await client.query('SELECT NOW();');
+    const returnedDate = result['now'];
+    t.ok(returnedDate.getTime(), 'should have valid returned date object');
+  }
+);