diff --git a/.mega-linter.yml b/.mega-linter.yml
index db81778f..1cbcd11a 100644
--- a/.mega-linter.yml
+++ b/.mega-linter.yml
@@ -8,5 +8,7 @@ DISABLE_LINTERS:
   - REPOSITORY_DEVSKIM
   - REPOSITORY_TRIVY
   - COPYPASTE_JSCPD
+  - PYTHON_PYRIGHT
+  - PYTHON_PYLINT
 
 FILTER_REGEX_EXCLUDE: "(src/main/resources/static|script)"
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..f884024a
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,34 @@
+version: "3.8"
+
+services:
+  mock-suggestion:
+    build:
+      context: ./mock/suggestion
+      dockerfile: Dockerfile
+    container_name: mock-suggestion
+    ports:
+      - "5001:5000"
+    networks:
+      - cg-network
+
+  postgres:
+    image: postgres:latest
+    container_name: postgres
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: commonground
+    ports:
+      - "5432:5432"
+    networks:
+      - cg-network
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+networks:
+  cg-network:
+    driver: bridge
+
+volumes:
+  postgres_data:
+    driver: local
diff --git a/mock/suggestion/Dockerfile b/mock/suggestion/Dockerfile
new file mode 100644
index 00000000..623bbde2
--- /dev/null
+++ b/mock/suggestion/Dockerfile
@@ -0,0 +1,14 @@
+FROM python:3.9-slim
+LABEL authors="yichen"
+
+WORKDIR /app
+
+COPY app.py .
+COPY config.py .
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+EXPOSE 5000
+
+CMD ["python", "app.py"]
diff --git a/mock/suggestion/app.py b/mock/suggestion/app.py
new file mode 100644
index 00000000..9302d3e3
--- /dev/null
+++ b/mock/suggestion/app.py
@@ -0,0 +1,93 @@
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+import json
+from config import KEYWORDS, REPLACEMENTS
+
+app = Flask(__name__)
+CORS(app)
+
+
+def highlight_text(text):
+    """Scan text for predefined keywords and highlight them with <sugX> tags."""
+    highlighted_text = text
+    suggestions = []
+    counter = 1
+
+    for category, words in KEYWORDS.items():
+        for word in words:
+            if word in highlighted_text:
+                tag = f"<sug{counter}>{word}</sug{counter}>"
+                highlighted_text = highlighted_text.replace(word, tag, 1)
+                suggestions.append({
+                    "message": f"{highlighted_text}",
+                    "feedback":
+                        f"This phrase falls under {category}. Consider rewording.",
+                    "replacement":
+                        REPLACEMENTS.get(word, f"Consider rewording '{word}'")
+                })
+                counter += 1
+
+    return highlighted_text, suggestions
+
+
+@app.route('/api/mock-text-suggestion', methods=['POST'])
+def mock_text_suggestion():
+    """Mock API to analyze the original text input."""
+    data = request.json
+    text = data.get("text", "")
+
+    if not text:
+        return jsonify({"error": "No text provided"}), 400
+
+    highlighted_text, suggestions = highlight_text(text)
+
+    response = {
+        "text": text,
+        "suggestions": suggestions
+    }
+
+    return app.response_class(
+        response=json.dumps(response, ensure_ascii=False),
+        status=200,
+        mimetype="application/json"
+    )
+
+
+@app.route('/api/mock-edited-text-suggestion', methods=['POST'])
+def mock_edited_text_suggestion():
+    """Mock API to analyze user-edited text."""
+    data = request.json
+    text = data.get("text", "")
+    edited_text = data.get("edited_text", "")
+    suggestions = data.get("suggestions", [])
+
+    if not text or not edited_text:
+        return jsonify({"error": "No text or edited_text provided"}), 400
+
+    # Mock the text-suggestion for edited highlight text
+    new_suggestions = []
+    for suggestion in suggestions:
+        if "<sug1>" in suggestion["message"]:  # Only provide suggestion for `<sug1>`
+            new_suggestions.append({
+                "edited_message": suggestion["edited_message"].replace(
+                    "來佔便宜",
+                    "可能尋求更好的經濟機會"
+                ),
+                "feedback": "‘佔便宜’ 可能帶有偏見性表述，建議以更客觀的方式描述難民的處境。",
+                "replacement": "部分難民可能尋求更好的經濟機會與生活條件"
+            })
+
+    response = {
+        "edited_text": edited_text,
+        "suggestions": new_suggestions
+    }
+
+    return app.response_class(
+        response=json.dumps(response, ensure_ascii=False),
+        status=200,
+        mimetype="application/json"
+    )
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=False)  # nosec B104
diff --git a/mock/suggestion/config.py b/mock/suggestion/config.py
new file mode 100644
index 00000000..8f4330b9
--- /dev/null
+++ b/mock/suggestion/config.py
@@ -0,0 +1,19 @@
+KEYWORDS = {
+    "煽動性詞語": ["邪惡", "愚蠢", "可恥", "荒謬", "噁心", "醜陋"],
+    "極端化詞彙": ["所有", "沒有例外", "絕對", "從來沒有", "毫無疑問"],
+    "缺乏事實支持": ["明顯", "大家都知道", "鐵一般的事實"],
+    "人身攻擊": ["蠢蛋", "白痴", "低能", "垃圾", "腦殘", "智障"],
+    "偏見 & 刻板印象": ["某某派", "某某黨", "年輕人都", "女人就是", "男人就是"],
+    "引戰語言": ["你不懂啦", "這麼簡單的道理", "睜眼說瞎話", "你果然是"],
+    "缺乏邏輯推理": ["我猜測", "應該是這樣", "想都不用想", "這一定是"]
+}
+
+REPLACEMENTS = {
+    "愚蠢": "可能存在問題",
+    "所有": "許多",
+    "明顯": "根據數據顯示",
+    "垃圾": "缺乏邏輯",
+    "年輕人都": "某些年輕人可能傾向於",
+    "你不懂啦": "這點可能需要進一步討論",
+    "我猜測": "根據目前資訊，我推測"
+}
diff --git a/mock/suggestion/requirements.txt b/mock/suggestion/requirements.txt
new file mode 100644
index 00000000..70114e3f
--- /dev/null
+++ b/mock/suggestion/requirements.txt
@@ -0,0 +1,2 @@
+flask
+flask-cors
\ No newline at end of file
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/SuggestionController.java b/src/main/java/tw/commonground/backend/service/suggestion/SuggestionController.java
new file mode 100644
index 00000000..7425b77d
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/SuggestionController.java
@@ -0,0 +1,27 @@
+package tw.commonground.backend.service.suggestion;
+
+import tw.commonground.backend.service.suggestion.dto.*;
+import org.springframework.web.bind.annotation.*;
+import tw.commonground.backend.shared.tracing.Traced;
+
+@Traced
+@RestController
+@RequestMapping("/api")
+public class SuggestionController {
+
+    private final SuggestionService suggestionService;
+
+    public SuggestionController(SuggestionService suggestionService) {
+        this.suggestionService = suggestionService;
+    }
+
+    @PostMapping("/text-suggestion")
+    public TextSuggestionResponse getTextSuggestions(@RequestBody TextSuggestionRequest request) {
+        return suggestionService.getTextSuggestions(request);
+    }
+
+    @PostMapping("/edited-text-suggestion")
+    public EditedTextSuggestionResponse getEditedTextSuggestions(@RequestBody EditedTextSuggestionRequest request) {
+        return suggestionService.getEditedTextSuggestions(request);
+    }
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/SuggestionService.java b/src/main/java/tw/commonground/backend/service/suggestion/SuggestionService.java
new file mode 100644
index 00000000..7f221195
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/SuggestionService.java
@@ -0,0 +1,43 @@
+package tw.commonground.backend.service.suggestion;
+
+import org.springframework.beans.factory.annotation.Value;
+import tw.commonground.backend.service.suggestion.dto.*;
+import org.springframework.http.*;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+@Service
+public class SuggestionService {
+
+    private final RestTemplate restTemplate = new RestTemplate();
+
+    @Value("${mockApiUrl}")
+    private String mockApiUrl;
+
+    public SuggestionService() { }
+
+
+    public TextSuggestionResponse getTextSuggestions(TextSuggestionRequest request) {
+        String url = mockApiUrl + "/api/mock-text-suggestion";
+
+        return makePostRequest(url, request, TextSuggestionResponse.class);
+    }
+
+
+    public EditedTextSuggestionResponse getEditedTextSuggestions(EditedTextSuggestionRequest request) {
+        String url = mockApiUrl + "/api/mock-edited-text-suggestion";
+
+        return makePostRequest(url, request, EditedTextSuggestionResponse.class);
+    }
+
+
+    private <T> T makePostRequest(String url, Object request, Class<T> responseType) {
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+
+        HttpEntity<Object> requestEntity = new HttpEntity<>(request, headers);
+        ResponseEntity<T> response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, responseType);
+
+        return response.getBody();
+    }
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextRequestSuggestionItem.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextRequestSuggestionItem.java
new file mode 100644
index 00000000..58d942d2
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextRequestSuggestionItem.java
@@ -0,0 +1,21 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+public class EditedTextRequestSuggestionItem {
+    private String message;
+
+    private String feedback;
+
+    private String replacement;
+
+    @JsonProperty("edited_message")
+    private String editedMessage;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextResponseSuggestionItem.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextResponseSuggestionItem.java
new file mode 100644
index 00000000..5041088f
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextResponseSuggestionItem.java
@@ -0,0 +1,19 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+public class EditedTextResponseSuggestionItem {
+    private String feedback;
+
+    private String replacement;
+
+    @JsonProperty("edited_message")
+    private String editedMessage;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionRequest.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionRequest.java
new file mode 100644
index 00000000..eec8c7d9
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionRequest.java
@@ -0,0 +1,21 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@AllArgsConstructor
+@NoArgsConstructor
+public class EditedTextSuggestionRequest {
+    private String text;
+
+    @JsonProperty("edited_text")
+    private String editedText;
+
+    private List<EditedTextRequestSuggestionItem> suggestions;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionResponse.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionResponse.java
new file mode 100644
index 00000000..e4343ff9
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/EditedTextSuggestionResponse.java
@@ -0,0 +1,19 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@AllArgsConstructor
+@NoArgsConstructor
+public class EditedTextSuggestionResponse {
+    @JsonProperty("edited_text")
+    private String editedText;
+
+    private List<EditedTextResponseSuggestionItem> suggestions;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/TextResponseSuggestionItem.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextResponseSuggestionItem.java
new file mode 100644
index 00000000..01fad687
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextResponseSuggestionItem.java
@@ -0,0 +1,17 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import lombok.*;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@NoArgsConstructor
+@AllArgsConstructor
+public class TextResponseSuggestionItem {
+    private String message;
+
+    private String feedback;
+
+    private String replacement;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionRequest.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionRequest.java
new file mode 100644
index 00000000..32443666
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionRequest.java
@@ -0,0 +1,13 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import lombok.*;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@AllArgsConstructor
+@NoArgsConstructor
+public class TextSuggestionRequest {
+    private String text;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionResponse.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionResponse.java
new file mode 100644
index 00000000..0f93b7b7
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/TextSuggestionResponse.java
@@ -0,0 +1,17 @@
+package tw.commonground.backend.service.suggestion.dto;
+
+import lombok.*;
+
+import java.util.List;
+
+@Getter
+@Setter
+@Builder
+@ToString
+@AllArgsConstructor
+@NoArgsConstructor
+public class TextSuggestionResponse {
+    private String text;
+
+    private List<TextResponseSuggestionItem> suggestions;
+}
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/dto/package-info.java b/src/main/java/tw/commonground/backend/service/suggestion/dto/package-info.java
new file mode 100644
index 00000000..98679e7b
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/dto/package-info.java
@@ -0,0 +1 @@
+package tw.commonground.backend.service.suggestion.dto;
diff --git a/src/main/java/tw/commonground/backend/service/suggestion/package-info.java b/src/main/java/tw/commonground/backend/service/suggestion/package-info.java
new file mode 100644
index 00000000..e7b40a5c
--- /dev/null
+++ b/src/main/java/tw/commonground/backend/service/suggestion/package-info.java
@@ -0,0 +1 @@
+package tw.commonground.backend.service.suggestion;