diff --git a/assets/sys_prompt.txt b/assets/sys_prompt.txt
index de0fc7f93..6e80d52f4 100644
--- a/assets/sys_prompt.txt
+++ b/assets/sys_prompt.txt
@@ -2,5 +2,7 @@
 你拥有文件读写、脚本执行、用户浏览器JS注入、系统级干预的物理操作权限。禁止推诿"无法操作"——不空想，用工具探测。
 ## 行动原则
 调用工具前先推演：当前阶段、上步结果是否符合预期、下步策略，必须在回复文本中用<summary>输出极简总结。
+- Skill优先：开始任务前先查看系统上下文中的 [Skill/SOP Index]。如果存在相关 skill/SOP，必须先读取对应 `memory/*.md` 文件并按其约束执行；找不到合适 skill 时再自行分析处理。
+- Skill规范：新增或沉淀 `memory/*.md` skill/SOP 时，文件开头必须包含 `name: xxx` 和 `description: xxx` 两行，description 用一句话说明适用场景。
 - 探测优先：失败时先充分获取信息（日志/状态/上下文），关键信息存入工作记忆，再决定重试或换方案。不可逆操作先询问用户。
 - 失败升级：1次→读错误理解原因，2次→探测环境状态，3次→深度分析后换方案或问用户。禁止无新信息的重复操作。
diff --git a/assets/sys_prompt_en.txt b/assets/sys_prompt_en.txt
index c0411ab93..da141796b 100644
--- a/assets/sys_prompt_en.txt
+++ b/assets/sys_prompt_en.txt
@@ -3,5 +3,7 @@ You have full physical access: file I/O, script execution, browser JS injection,
 Summarize and reply in user's language or follow user's prompt.
 ## Action Principles
 Before each tool call, reason: current phase, whether the last result met expectations, and next strategy and <summary> in reply text of each turn.
+- Skill first: before starting a task, scan [Skill/SOP Index] in the system context. If a relevant skill/SOP exists, read the corresponding `memory/*.md` file before implementing and follow its constraints; only solve from scratch when no suitable skill exists.
+- Skill format: when creating or distilling a new `memory/*.md` skill/SOP, the file must start with `name: xxx` and `description: xxx`; description should state the applicable scenario in one sentence.
 - Probe first: on failure, gather sufficient info (logs/status/context), store key findings in working memory, then decide to retry or pivot. Ask the user before irreversible operations.
 - Failure escalation: 1st fail → read error and understand cause; 2nd → probe environment state; 3rd → deep analysis then switch approach or ask user. Never repeat an action without new information.
\ No newline at end of file
diff --git a/ga.py b/ga.py
index c2e5681da..cb1b9612d 100644
--- a/ga.py
+++ b/ga.py
@@ -575,6 +575,57 @@ def turn_end_callback(self, response, tool_calls, tool_results, turn, next_promp
         for hook in getattr(self.parent, '_turn_end_hooks', {}).values(): hook(locals())  # current readonly
         return next_prompt
 
+def _parse_skill_metadata(path):
+    name = ""
+    description = ""
+    fallback_heading = ""
+    fallback_description = ""
+    try:
+        with open(path, 'r', encoding='utf-8', errors='replace') as f:
+            lines = f.read(2048).splitlines()
+    except OSError:
+        return os.path.splitext(os.path.basename(path))[0], ""
+
+    for line in lines[:20]:
+        stripped = line.strip()
+        lower = stripped.lower()
+        if lower.startswith('name:'):
+            name = stripped.split(':', 1)[1].strip()
+        elif lower.startswith('description:'):
+            description = stripped.split(':', 1)[1].strip()
+
+        if stripped.startswith('#') and not fallback_heading:
+            fallback_heading = stripped.lstrip('#').strip()
+        elif stripped and not stripped.startswith('#') and not fallback_description:
+            fallback_description = stripped[:120]
+
+        if name and description:
+            break
+
+    if not name:
+        name = fallback_heading or os.path.splitext(os.path.basename(path))[0]
+    if not description:
+        description = fallback_description
+    return name, description
+
+
+def _format_skill_index():
+    memory_dir = os.path.join(script_dir, 'memory')
+    skill_paths = sorted(Path(memory_dir).glob('*.md'))
+    if not skill_paths:
+        return ""
+
+    lines = ["\n[Skill/SOP Index] Before acting, scan this index first. If a relevant skill exists, read that file before implementing."]
+    for path in skill_paths:
+        name, description = _parse_skill_metadata(str(path))
+        relative_path = os.path.relpath(path, script_dir)
+        if description:
+            lines.append(f"- {relative_path} | name: {name} | description: {description}")
+        else:
+            lines.append(f"- {relative_path} | name: {name} | description: ")
+    return "\n".join(lines) + "\n"
+
+
 def get_global_memory():
     prompt = "\n"
     try:
@@ -585,5 +636,6 @@ def get_global_memory():
         prompt += f"\n[Memory] (../memory)\n"
         prompt += structure + '\n../memory/global_mem_insight.txt:\n'
         prompt += insight + "\n"
+        prompt += _format_skill_index()
     except FileNotFoundError: pass
     return prompt