diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/config/RestClientConfig.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/config/RestClientConfig.java
index 1d0f781..141ca38 100644
--- a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/config/RestClientConfig.java
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/config/RestClientConfig.java
@@ -88,4 +88,24 @@ public class RestClientConfig {
     public CampaignRuleClient campaignRuleClient(HttpServiceProxyFactory rewardHttpServiceProxyFactory) {
         return rewardHttpServiceProxyFactory.createClient(CampaignRuleClient.class);
     }
+
+    @Bean
+    public dev.sonpx.loyalty.mcp.reward.client.PoolDefinitionClient poolDefinitionClient(HttpServiceProxyFactory rewardHttpServiceProxyFactory) {
+        return rewardHttpServiceProxyFactory.createClient(dev.sonpx.loyalty.mcp.reward.client.PoolDefinitionClient.class);
+    }
+
+    @Bean
+    public dev.sonpx.loyalty.mcp.reward.client.CounterDefinitionClient counterDefinitionClient(HttpServiceProxyFactory rewardHttpServiceProxyFactory) {
+        return rewardHttpServiceProxyFactory.createClient(dev.sonpx.loyalty.mcp.reward.client.CounterDefinitionClient.class);
+    }
+
+    @Bean
+    public dev.sonpx.loyalty.mcp.reward.client.DeductionSequenceClient deductionSequenceClient(HttpServiceProxyFactory rewardHttpServiceProxyFactory) {
+        return rewardHttpServiceProxyFactory.createClient(dev.sonpx.loyalty.mcp.reward.client.DeductionSequenceClient.class);
+    }
+
+    @Bean
+    public dev.sonpx.loyalty.mcp.reward.client.TransactionCodeClient transactionCodeClient(HttpServiceProxyFactory rewardHttpServiceProxyFactory) {
+        return rewardHttpServiceProxyFactory.createClient(dev.sonpx.loyalty.mcp.reward.client.TransactionCodeClient.class);
+    }
 }
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CampaignRuleClient.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CampaignRuleClient.java
index e9709b0..0a0cc68 100644
--- a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CampaignRuleClient.java
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CampaignRuleClient.java
@@ -40,4 +40,13 @@ public interface CampaignRuleClient {
 
     @PostExchange("/api/campaign-rule/csr/create")
     OperationResult<CampaignRule> create(@Valid @RequestBody CampaignRule dto);
+
+    @GetExchange("/api/campaign-rule/find-matching-rules")
+    List<CampaignRule> findMatchingRules(
+            @RequestParam("ruleType") String ruleType,
+            @RequestParam("transactionCode") String transactionCode,
+            @RequestParam("transactionDate") String transactionDate,
+            @RequestParam("postDate") String postDate,
+            @RequestParam("languageCode") String languageCode
+    );
 }
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CounterDefinitionClient.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CounterDefinitionClient.java
new file mode 100644
index 0000000..517530a
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/CounterDefinitionClient.java
@@ -0,0 +1,18 @@
+package dev.sonpx.loyalty.mcp.reward.client;
+
+import dev.sonpx.loyalty.mcp.reward.model.CounterDefinition;
+import java.util.List;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.service.annotation.HttpExchange;
+
+@HttpExchange
+public interface CounterDefinitionClient {
+
+    @GetExchange("/api/counter-definition/counter-id/{counterId}")
+    CounterDefinition findById(@PathVariable("counterId") String counterId);
+
+    @GetExchange("/api/counter-definition/list-by-ids")
+    List<CounterDefinition> findActiveByIds(@RequestParam("idList") List<String> idList);
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/DeductionSequenceClient.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/DeductionSequenceClient.java
new file mode 100644
index 0000000..bfad351
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/DeductionSequenceClient.java
@@ -0,0 +1,16 @@
+package dev.sonpx.loyalty.mcp.reward.client;
+
+import dev.sonpx.loyalty.mcp.reward.model.DeductionSequences;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.service.annotation.HttpExchange;
+
+@HttpExchange
+public interface DeductionSequenceClient {
+
+    @GetExchange("/api/deduction-seq/find-deduction-seq-by-id")
+    DeductionSequences findById(@RequestParam("deductionSeqId") String deductionSeqId);
+
+    @GetExchange("/api/deduction-seq/find-default")
+    DeductionSequences findDefault();
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/PoolDefinitionClient.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/PoolDefinitionClient.java
new file mode 100644
index 0000000..5dd5cf6
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/PoolDefinitionClient.java
@@ -0,0 +1,18 @@
+package dev.sonpx.loyalty.mcp.reward.client;
+
+import dev.sonpx.loyalty.mcp.reward.model.PoolDefinition;
+import java.util.List;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.service.annotation.HttpExchange;
+
+@HttpExchange
+public interface PoolDefinitionClient {
+
+    @GetExchange("/api/pool-definition/{poolId}")
+    PoolDefinition findById(@PathVariable("poolId") String poolId);
+
+    @GetExchange("/api/pool-definition/list-by-ids")
+    List<PoolDefinition> findActiveByIds(@RequestParam("idList") List<String> idList);
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/TransactionCodeClient.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/TransactionCodeClient.java
new file mode 100644
index 0000000..0c18188
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/reward/client/TransactionCodeClient.java
@@ -0,0 +1,20 @@
+package dev.sonpx.loyalty.mcp.reward.client;
+
+import dev.sonpx.loyalty.mcp.reward.model.TransactionCode;
+import java.util.List;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.service.annotation.GetExchange;
+import org.springframework.web.service.annotation.HttpExchange;
+
+@HttpExchange
+public interface TransactionCodeClient {
+
+    @GetExchange("/api/transaction-code")
+    TransactionCode findByCode(@RequestParam("transactionCode") String transactionCode);
+
+    @GetExchange("/api/transaction-code/list-by-codes")
+    List<TransactionCode> findByCodes(@RequestParam("transactionCodes") List<String> transactionCodes);
+
+    @GetExchange("/api/transaction-code/exists")
+    Boolean exists(@RequestParam("transactionCode") String transactionCode);
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CampaignRuleService.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CampaignRuleService.java
index dc4f6f5..918df02 100644
--- a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CampaignRuleService.java
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CampaignRuleService.java
@@ -162,5 +162,17 @@ public class CampaignRuleService {
                 - Nếu lỗi: thông báo lỗi rõ ràng, giải thích nguyên nhân, gợi ý cách khắc phục.
                 """);
     }
+
+    public Result<List<CampaignRule>> findMatchingRules(String ruleType, String transactionCode, String transactionDate, String postDate, String languageCode) {
+        List<CampaignRule> rules = campaignRuleClient.findMatchingRules(ruleType, transactionCode, transactionDate, postDate, languageCode);
+        if (rules != null) {
+            rules.forEach(this::sanitizeFormulas);
+        }
+        return Result.of(rules, """
+                Trả lời tự nhiên bằng tiếng Việt. Hiển thị danh sách các rule/thể lệ khớp với thông tin giao dịch,
+                mỗi rule ghi: Tên, Mã Rule, Loại, Thời gian hiệu lực.
+                Tóm tắt ngắn gọn cấu hình thưởng nếu có. Không dùng markdown table.
+                """);
+    }
 }
 
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CounterDefinitionService.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CounterDefinitionService.java
new file mode 100644
index 0000000..e896488
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/CounterDefinitionService.java
@@ -0,0 +1,37 @@
+package dev.sonpx.loyalty.mcp.service;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.client.CounterDefinitionClient;
+import dev.sonpx.loyalty.mcp.reward.model.CounterDefinition;
+import java.util.Arrays;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class CounterDefinitionService {
+
+    private final CounterDefinitionClient counterDefinitionClient;
+
+    public Result<CounterDefinition> findById(String counterId) {
+        CounterDefinition counter = counterDefinitionClient.findById(counterId);
+        return Result.of(counter, """
+                Trả lời tự nhiên bằng tiếng Việt. Trình bày chi tiết thông tin Counter một cách rõ ràng:
+                - Thông tin cơ bản: Tên Counter, Mã Counter, Loại Counter.
+                - Chu kỳ, Giới hạn Counter.
+                Dùng bullet list hoặc dạng key-value dễ đọc.
+                """);
+    }
+
+    public Result<List<CounterDefinition>> findActiveByIds(String ids) {
+        List<String> idList = Arrays.asList(ids.split(",\\s*"));
+        List<CounterDefinition> counters = counterDefinitionClient.findActiveByIds(idList);
+        return Result.of(counters, """
+                Trả lời tự nhiên bằng tiếng Việt. Hiển thị danh sách các Counter, mỗi Counter ghi: Tên, Mã, Loại.
+                Không dùng markdown table.
+                """);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/DeductionSequenceService.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/DeductionSequenceService.java
new file mode 100644
index 0000000..4210843
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/DeductionSequenceService.java
@@ -0,0 +1,33 @@
+package dev.sonpx.loyalty.mcp.service;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.client.DeductionSequenceClient;
+import dev.sonpx.loyalty.mcp.reward.model.DeductionSequences;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class DeductionSequenceService {
+
+    private final DeductionSequenceClient deductionSequenceClient;
+
+    public Result<DeductionSequences> findById(String deductionSeqId) {
+        DeductionSequences seq = deductionSequenceClient.findById(deductionSeqId);
+        return Result.of(seq, """
+                Trả lời tự nhiên bằng tiếng Việt. Trình bày chi tiết cấu hình Deduction Sequence:
+                - Tên Sequence, Mã Sequence.
+                - Các Pool được liên kết và thứ tự trừ điểm.
+                Dùng bullet list dễ đọc.
+                """);
+    }
+
+    public Result<DeductionSequences> findDefault() {
+        DeductionSequences seq = deductionSequenceClient.findDefault();
+        return Result.of(seq, """
+                Trả lời tự nhiên bằng tiếng Việt. Trình bày thông tin Deduction Sequence mặc định.
+                """);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/PoolDefinitionService.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/PoolDefinitionService.java
new file mode 100644
index 0000000..4c3ee29
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/PoolDefinitionService.java
@@ -0,0 +1,38 @@
+package dev.sonpx.loyalty.mcp.service;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.client.PoolDefinitionClient;
+import dev.sonpx.loyalty.mcp.reward.model.PoolDefinition;
+import java.util.Arrays;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class PoolDefinitionService {
+
+    private final PoolDefinitionClient poolDefinitionClient;
+
+    public Result<PoolDefinition> findById(String poolId) {
+        PoolDefinition pool = poolDefinitionClient.findById(poolId);
+        return Result.of(pool, """
+                Trả lời tự nhiên bằng tiếng Việt. Trình bày chi tiết thông tin Point Pool một cách rõ ràng:
+                - Thông tin cơ bản: Tên Pool, Mã Pool, Đơn vị tiền tệ.
+                - Loại Pool, Cấp độ Pool (Entity Level).
+                - Nhóm Pool (Pool Group), Tài khoản kế toán (GL Account).
+                Dùng bullet list hoặc dạng key-value dễ đọc.
+                """);
+    }
+
+    public Result<List<PoolDefinition>> findActiveByIds(String ids) {
+        List<String> idList = Arrays.asList(ids.split(",\\s*"));
+        List<PoolDefinition> pools = poolDefinitionClient.findActiveByIds(idList);
+        return Result.of(pools, """
+                Trả lời tự nhiên bằng tiếng Việt. Hiển thị danh sách các Pool, mỗi pool ghi: Tên, Mã, Loại Pool.
+                Không dùng markdown table.
+                """);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/TransactionCodeService.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/TransactionCodeService.java
new file mode 100644
index 0000000..fd07e1e
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/service/TransactionCodeService.java
@@ -0,0 +1,44 @@
+package dev.sonpx.loyalty.mcp.service;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.client.TransactionCodeClient;
+import dev.sonpx.loyalty.mcp.reward.model.TransactionCode;
+import java.util.Arrays;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class TransactionCodeService {
+
+    private final TransactionCodeClient transactionCodeClient;
+
+    public Result<TransactionCode> findByCode(String code) {
+        TransactionCode txn = transactionCodeClient.findByCode(code);
+        return Result.of(txn, """
+                Trả lời tự nhiên bằng tiếng Việt. Trình bày chi tiết thông tin Transaction Code:
+                - Tên Giao dịch, Mã Giao dịch, Nhóm/Loại.
+                - Loại tiền tệ, Cấu hình khác nếu có.
+                Dùng bullet list dễ đọc.
+                """);
+    }
+
+    public Result<List<TransactionCode>> findByCodes(String codes) {
+        List<String> codeList = Arrays.asList(codes.split(",\\s*"));
+        List<TransactionCode> txnList = transactionCodeClient.findByCodes(codeList);
+        return Result.of(txnList, """
+                Trả lời tự nhiên bằng tiếng Việt. Hiển thị danh sách các Transaction Code.
+                Không dùng markdown table.
+                """);
+    }
+
+    public Result<Boolean> exists(String code) {
+        Boolean isExist = transactionCodeClient.exists(code);
+        return Result.of(isExist, """
+                Trả lời tự nhiên bằng tiếng Việt. Nếu exists=true thì báo mã giao dịch có tồn tại, nếu false thì không tồn tại.
+                """);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CampaignRuleTools.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CampaignRuleTools.java
index 056e32a..ed56589 100644
--- a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CampaignRuleTools.java
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CampaignRuleTools.java
@@ -65,4 +65,9 @@ public class CampaignRuleTools {
     public Result<OperationResult<CampaignRule>> createRule(CampaignRule dto) {
         return campaignRuleService.create(dto);
     }
+
+    @McpTool(description = "Tìm kiếm các rule/thể lệ khớp với một giao dịch cụ thể. Yêu cầu truyền vào loại rule, mã giao dịch (transaction code), ngày giao dịch, ngày post và ngôn ngữ (ví dụ: 'vi' hoặc 'en'). Ngày tháng format yyyy-MM-dd'T'HH:mm:ss")
+    public Result<List<CampaignRule>> findMatchingRules(String ruleType, String transactionCode, String transactionDate, String postDate, String languageCode) {
+        return campaignRuleService.findMatchingRules(ruleType, transactionCode, transactionDate, postDate, languageCode);
+    }
 }
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CounterDefinitionTools.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CounterDefinitionTools.java
new file mode 100644
index 0000000..ad12bd4
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/CounterDefinitionTools.java
@@ -0,0 +1,26 @@
+package dev.sonpx.loyalty.mcp.tool;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.model.CounterDefinition;
+import dev.sonpx.loyalty.mcp.service.CounterDefinitionService;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.ai.mcp.annotation.McpTool;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class CounterDefinitionTools {
+
+    private final CounterDefinitionService counterDefinitionService;
+
+    @McpTool(description = "Lấy thông tin chi tiết một Counter theo ID.")
+    public Result<CounterDefinition> getCounterDefinitionById(String counterId) {
+        return counterDefinitionService.findById(counterId);
+    }
+
+    @McpTool(description = "Lấy thông tin nhiều Counter theo danh sách ID, phân tách bằng dấu phẩy.")
+    public Result<List<CounterDefinition>> getCounterDefinitionsByIds(String ids) {
+        return counterDefinitionService.findActiveByIds(ids);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/DeductionSequenceTools.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/DeductionSequenceTools.java
new file mode 100644
index 0000000..a94c6ce
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/DeductionSequenceTools.java
@@ -0,0 +1,25 @@
+package dev.sonpx.loyalty.mcp.tool;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.model.DeductionSequences;
+import dev.sonpx.loyalty.mcp.service.DeductionSequenceService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.ai.mcp.annotation.McpTool;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class DeductionSequenceTools {
+
+    private final DeductionSequenceService deductionSequenceService;
+
+    @McpTool(description = "Lấy thông tin cấu hình trừ điểm (Deduction Sequence) theo ID.")
+    public Result<DeductionSequences> getDeductionSequenceById(String deductionSeqId) {
+        return deductionSequenceService.findById(deductionSeqId);
+    }
+
+    @McpTool(description = "Lấy thông tin cấu hình trừ điểm (Deduction Sequence) mặc định của hệ thống.")
+    public Result<DeductionSequences> getDefaultDeductionSequence() {
+        return deductionSequenceService.findDefault();
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/PoolDefinitionTools.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/PoolDefinitionTools.java
new file mode 100644
index 0000000..e0ff8d0
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/PoolDefinitionTools.java
@@ -0,0 +1,26 @@
+package dev.sonpx.loyalty.mcp.tool;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.model.PoolDefinition;
+import dev.sonpx.loyalty.mcp.service.PoolDefinitionService;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.ai.mcp.annotation.McpTool;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class PoolDefinitionTools {
+
+    private final PoolDefinitionService poolDefinitionService;
+
+    @McpTool(description = "Lấy thông tin chi tiết một Point Pool theo ID.")
+    public Result<PoolDefinition> getPoolDefinitionById(String poolId) {
+        return poolDefinitionService.findById(poolId);
+    }
+
+    @McpTool(description = "Lấy thông tin nhiều Point Pool theo danh sách ID, phân tách bằng dấu phẩy.")
+    public Result<List<PoolDefinition>> getPoolDefinitionsByIds(String ids) {
+        return poolDefinitionService.findActiveByIds(ids);
+    }
+}
diff --git a/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/TransactionCodeTools.java b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/TransactionCodeTools.java
new file mode 100644
index 0000000..25e89a3
--- /dev/null
+++ b/loyalty-mcp-server/src/main/java/dev/sonpx/loyalty/mcp/tool/TransactionCodeTools.java
@@ -0,0 +1,31 @@
+package dev.sonpx.loyalty.mcp.tool;
+
+import dev.sonpx.loyalty.mcp.model.Result;
+import dev.sonpx.loyalty.mcp.reward.model.TransactionCode;
+import dev.sonpx.loyalty.mcp.service.TransactionCodeService;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.ai.mcp.annotation.McpTool;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class TransactionCodeTools {
+
+    private final TransactionCodeService transactionCodeService;
+
+    @McpTool(description = "Lấy thông tin chi tiết một Mã giao dịch (Transaction Code) theo mã.")
+    public Result<TransactionCode> getTransactionCode(String transactionCode) {
+        return transactionCodeService.findByCode(transactionCode);
+    }
+
+    @McpTool(description = "Lấy thông tin nhiều Mã giao dịch theo danh sách mã, phân tách bằng dấu phẩy.")
+    public Result<List<TransactionCode>> getTransactionCodes(String transactionCodes) {
+        return transactionCodeService.findByCodes(transactionCodes);
+    }
+
+    @McpTool(description = "Kiểm tra xem một Mã giao dịch có tồn tại hay không.")
+    public Result<Boolean> checkTransactionCodeExists(String transactionCode) {
+        return transactionCodeService.exists(transactionCode);
+    }
+}