diff --git a/scripts/mcp/test_nl2sql_e2e.sh b/scripts/mcp/test_nl2sql_e2e.sh
new file mode 100755
index 000000000..4462b4d58
--- /dev/null
+++ b/scripts/mcp/test_nl2sql_e2e.sh
@@ -0,0 +1,297 @@
+#!/bin/bash
+#
+# @file test_nl2sql_e2e.sh
+# @brief End-to-end NL2SQL testing with live LLMs
+#
+# Tests complete workflow from natural language to executed SQL
+#
+# Prerequisites:
+# - Running ProxySQL with NL2SQL enabled
+# - Ollama running on localhost:11434 (or configured LLM)
+# - Test database schema
+#
+# Usage:
+#   ./test_nl2sql_e2e.sh [--mock|--live]
+#
+# @date 2025-01-16
+
+set -e
+
+# ============================================================================
+# Configuration
+# ============================================================================
+
+PROXYSQL_ADMIN_HOST=${PROXYSQL_ADMIN_HOST:-127.0.0.1}
+PROXYSQL_ADMIN_PORT=${PROXYSQL_ADMIN_PORT:-6032}
+PROXYSQL_HOST=${PROXYSQL_HOST:-127.0.0.1}
+PROXYSQL_PORT=${PROXYSQL_PORT:-6033}
+PROXYSQL_USER=${PROXYSQL_USER:-root}
+PROXYSQL_PASSWORD=${PROXYSQL_PASSWORD:-}
+TEST_SCHEMA=${TEST_SCHEMA:-test_nl2sql}
+LLM_MODE=${1:---live}  # --mock or --live
+
+# Color output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Test counters
+TOTAL=0
+PASSED=0
+FAILED=0
+SKIPPED=0
+
+# ============================================================================
+# Helper Functions
+# ============================================================================
+
+#
+# @brief Print section header
+# @param $1 Section name
+#
+print_section() {
+    echo -e "\n${BLUE}========================================${NC}"
+    echo -e "${BLUE}$1${NC}"
+    echo -e "${BLUE}========================================${NC}\n"
+}
+
+#
+# @brief Run a single test
+# @param $1 Test name
+# @param $2 NL2SQL query
+# @param $3 Expected SQL pattern (regex)
+# @return 0 if test passes, 1 if fails
+#
+run_test() {
+    local test_name="$1"
+    local nl2sql_query="$2"
+    local expected_pattern="$3"
+
+    TOTAL=$((TOTAL + 1))
+
+    echo -e "${YELLOW}Test $TOTAL: $test_name${NC}"
+    echo "  Query: $nl2sql_query"
+
+    # For now, we'll use mock responses since NL2SQL is not fully integrated
+    # In Phase 2, this will execute real NL2SQL queries
+    local sql=""
+    local result=""
+
+    if [ "$LLM_MODE" = "--mock" ]; then
+        # Generate mock SQL based on query pattern
+        if [[ "$nl2sql_query" =~ "SELECT"|"select"|"Show"|"show" ]]; then
+            sql="SELECT * FROM"
+        elif [[ "$nl2sql_query" =~ "WHERE"|"where"|"Find"|"find" ]]; then
+            sql="SELECT * FROM WHERE"
+        elif [[ "$nl2sql_query" =~ "JOIN"|"join"|"with" ]]; then
+            sql="SELECT * FROM JOIN"
+        elif [[ "$nl2sql_query" =~ "COUNT"|"count"|"Count" ]]; then
+            sql="SELECT COUNT(*) FROM"
+        else
+            sql="SELECT"
+        fi
+        result="Mock: $sql"
+    else
+        # For live mode, we would execute the actual query
+        # This is not yet implemented
+        result="Live mode not yet implemented"
+        sql="SELECT"
+    fi
+
+    echo "  Generated: $sql"
+
+    # Check if expected pattern exists
+    if echo "$sql" | grep -qiE "$expected_pattern"; then
+        echo -e "  ${GREEN}PASSED${NC}"
+        PASSED=$((PASSED + 1))
+        return 0
+    else
+        echo -e "  ${RED}FAILED: Expected pattern '$expected_pattern' not found${NC}"
+        FAILED=$((FAILED + 1))
+        return 1
+    fi
+}
+
+#
+# @brief Execute MySQL command
+# @param $1 Query to execute
+#
+mysql_exec() {
+    mysql -h $PROXYSQL_ADMIN_HOST -P $PROXYSQL_ADMIN_PORT -u admin -padmin \
+          -e "$1" 2>/dev/null || true
+}
+
+#
+# @brief Setup test schema
+#
+setup_schema() {
+    print_section "Setting Up Test Schema"
+
+    # Create test database via admin
+    mysql_exec "CREATE DATABASE IF NOT EXISTS $TEST_SCHEMA"
+
+    # Create test tables
+    mysql_exec "CREATE TABLE IF NOT EXISTS $TEST_SCHEMA.customers (
+        id INT PRIMARY KEY AUTO_INCREMENT,
+        name VARCHAR(100),
+        country VARCHAR(50),
+        created_at DATE
+    )"
+
+    mysql_exec "CREATE TABLE IF NOT EXISTS $TEST_SCHEMA.orders (
+        id INT PRIMARY KEY AUTO_INCREMENT,
+        customer_id INT,
+        total DECIMAL(10,2),
+        status VARCHAR(20),
+        FOREIGN KEY (customer_id) REFERENCES $TEST_SCHEMA.customers(id)
+    )"
+
+    # Insert test data
+    mysql_exec "INSERT INTO $TEST_SCHEMA.customers (name, country, created_at) VALUES
+        ('Alice', 'USA', '2024-01-01'),
+        ('Bob', 'UK', '2024-02-01'),
+        ('Charlie', 'USA', '2024-03-01')
+        ON DUPLICATE KEY UPDATE name=name"
+
+    mysql_exec "INSERT INTO $TEST_SCHEMA.orders (customer_id, total, status) VALUES
+        (1, 100.00, 'completed'),
+        (2, 200.00, 'pending'),
+        (3, 150.00, 'completed')
+        ON DUPLICATE KEY UPDATE total=total"
+
+    echo -e "${GREEN}Test schema created${NC}"
+}
+
+#
+# @brief Configure LLM mode
+#
+configure_llm() {
+    print_section "LLM Configuration: $LLM_MODE"
+
+    if [ "$LLM_MODE" = "--mock" ]; then
+        mysql_exec "SET mysql-have_sql_injection='false'" 2>/dev/null || true
+        echo -e "${GREEN}Using mocked LLM responses${NC}"
+    else
+        mysql_exec "SET mysql-have_sql_injection='false'" 2>/dev/null || true
+        echo -e "${GREEN}Using live LLM (ensure Ollama is running)${NC}"
+
+        # Check Ollama connectivity
+        if curl -s http://localhost:11434/api/tags > /dev/null 2>&1; then
+            echo -e "${GREEN}Ollama is accessible${NC}"
+        else
+            echo -e "${YELLOW}Warning: Ollama may not be running on localhost:11434${NC}"
+        fi
+    fi
+}
+
+# ============================================================================
+# Test Cases
+# ============================================================================
+
+run_e2e_tests() {
+    print_section "Running End-to-End NL2SQL Tests"
+
+    # Test 1: Simple SELECT
+    run_test \
+        "Simple SELECT all customers" \
+        "NL2SQL: Show all customers" \
+        "SELECT.*customers"
+
+    # Test 2: SELECT with WHERE
+    run_test \
+        "SELECT with condition" \
+        "NL2SQL: Find customers from USA" \
+        "SELECT.*WHERE"
+
+    # Test 3: JOIN query
+    run_test \
+        "JOIN customers and orders" \
+        "NL2SQL: Show customer names with their order amounts" \
+        "SELECT.*JOIN"
+
+    # Test 4: Aggregation
+    run_test \
+        "COUNT aggregation" \
+        "NL2SQL: Count customers by country" \
+        "COUNT.*GROUP BY"
+
+    # Test 5: Sorting
+    run_test \
+        "ORDER BY" \
+        "NL2SQL: Show orders sorted by total amount" \
+        "SELECT.*ORDER BY"
+
+    # Test 6: Complex query
+    run_test \
+        "Complex aggregation" \
+        "NL2SQL: What is the average order total per country?" \
+        "AVG"
+
+    # Test 7: Date handling
+    run_test \
+        "Date filtering" \
+        "NL2SQL: Find customers created in 2024" \
+        "2024"
+
+    # Test 8: Subquery (may fail with simple models)
+    run_test \
+        "Subquery" \
+        "NL2SQL: Find customers with orders above average" \
+        "SELECT"
+}
+
+# ============================================================================
+# Results Summary
+# ============================================================================
+
+print_summary() {
+    print_section "Test Summary"
+
+    echo "Total tests:  $TOTAL"
+    echo -e "Passed:       ${GREEN}$PASSED${NC}"
+    echo -e "Failed:       ${RED}$FAILED${NC}"
+    echo -e "Skipped:      ${YELLOW}$SKIPPED${NC}"
+
+    local pass_rate=0
+    if [ $TOTAL -gt 0 ]; then
+        pass_rate=$((PASSED * 100 / TOTAL))
+    fi
+    echo "Pass rate:    $pass_rate%"
+
+    if [ $FAILED -eq 0 ]; then
+        echo -e "\n${GREEN}All tests passed!${NC}"
+        return 0
+    else
+        echo -e "\n${RED}Some tests failed${NC}"
+        return 1
+    fi
+}
+
+# ============================================================================
+# Main
+# ============================================================================
+
+main() {
+    print_section "NL2SQL End-to-End Testing"
+
+    echo "Configuration:"
+    echo "  ProxySQL:    $PROXYSQL_HOST:$PROXYSQL_PORT"
+    echo "  Admin:       $PROXYSQL_ADMIN_HOST:$PROXYSQL_ADMIN_PORT"
+    echo "  Schema:      $TEST_SCHEMA"
+    echo "  LLM Mode:    $LLM_MODE"
+
+    # Setup
+    setup_schema
+    configure_llm
+
+    # Run tests
+    run_e2e_tests
+
+    # Summary
+    print_summary
+}
+
+# Run main
+main "$@"