ai_rewrite
Rewrite text in four styles: formal, casual, concise, or expand. Apply custom instructions to tailor the output.
Instructions
改写文本，支持正式化、口语化、简洁化、扩写四种模式。
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| text | Yes | 要改写的文本 | |
| mode | No | 改写模式: formal（正式）/ casual（口语）/ concise（简洁）/ expand（扩写） | formal |
| instruction | No | 额外改写要求（可选），如：'保持技术术语不变' |
Implementation Reference
- Tool definition (schema) for ai_rewrite: name, description, and inputSchema with text (required), mode (formal/casual/concise/expand, default formal), and optional instruction.
types.Tool( name="ai_rewrite", description="改写文本，支持正式化、口语化、简洁化、扩写四种模式。", inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要改写的文本", }, "mode": { "type": "string", "description": "改写模式: formal（正式）/ casual（口语）/ concise（简洁）/ expand（扩写）", "enum": ["formal", "casual", "concise", "expand"], "default": "formal", }, "instruction": { "type": "string", "description": "额外改写要求（可选），如：'保持技术术语不变'", "default": "", }, }, "required": ["text"], }, ), - src/onion_mcp_server/tools/ai.py:253-268 (handler)Handler logic for ai_rewrite: maps mode to rewrite instruction, optionally appends extra instruction, builds a prompt, and calls llm_call to rewrite the text.
elif name == "ai_rewrite": mode_map = { "formal": "改写为正式、专业的表达，适合商务或学术场景", "casual": "改写为轻松、口语化的表达，适合日常对话", "concise": "精简改写，去除冗余，保留核心意思，尽量简短", "expand": "扩写，补充细节、背景和论据，使内容更丰富", } instruction = mode_map.get(a.get("mode", "formal"), "改写为正式表达") extra = f"\n额外要求：{a['instruction']}" if a.get("instruction") else "" prompt = ( f"请对以下文本进行改写：{instruction}。{extra}\n" f"只输出改写后的文本，不要解释。\n\n" f"{a['text']}" ) reply = await llm_call(prompt) return [types.TextContent(type="text", text=reply)] - src/onion_mcp_server/server.py:48-61 (registration)Registration/routing: ai_rewrite is added via AI_TOOLS to ALL_TOOLS, and its name is mapped to the handle_ai handler in the _HANDLERS routing table.
# ── 路由表 ──────────────────────────────────────────────────── _HANDLERS: dict = {} for _t in AI_TOOLS: _HANDLERS[_t.name] = handle_ai for _t in CODE_TOOLS: _HANDLERS[_t.name] = handle_code for _t in TEXT_TOOLS: _HANDLERS[_t.name] = handle_text for _t in DATA_TOOLS: _HANDLERS[_t.name] = handle_data for _t in WEB_TOOLS: _HANDLERS[_t.name] = handle_web for _t in SYSTEM_TOOLS: _HANDLERS[_t.name] = handle_system - src/onion_mcp_server/tools/ai.py:17-203 (registration)AI_TOOLS list (includes ai_rewrite at lines 115-139) is exported and aggregated into the server's ALL_TOOLS list.
AI_TOOLS: list[types.Tool] = [ types.Tool( name="ai_chat", description=( "与 AI 进行多轮对话。支持传入历史消息以保持上下文，" "支持自定义 system prompt。" ), inputSchema={ "type": "object", "properties": { "message": { "type": "string", "description": "用户消息", }, "system": { "type": "string", "description": "系统提示词（设定 AI 角色和行为）", "default": "", }, "history": { "type": "array", "description": "历史消息列表，格式: [{\"role\":\"user\",\"content\":\"...\"},{\"role\":\"assistant\",\"content\":\"...\"}]", "items": { "type": "object", "properties": { "role": {"type": "string", "enum": ["user", "assistant"]}, "content": {"type": "string"}, }, }, "default": [], }, "temperature": { "type": "number", "description": "温度 0.0~2.0（默认 0.7，越高越有创意）", "default": 0.7, }, }, "required": ["message"], }, ), types.Tool( name="ai_translate", description=( "将文本翻译为目标语言。自动检测源语言，" "支持中文、英文、日文、韩文、法文、德文、西班牙文等 40+ 语言。" ), inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要翻译的文本", }, "target_language": { "type": "string", "description": "目标语言，如：中文、英文、日文、法文、德文、西班牙文、韩文、俄文等", "default": "中文", }, "style": { "type": "string", "description": "翻译风格: formal（正式）/ casual（口语）/ literal（直译）", "enum": ["formal", "casual", "literal"], "default": "formal", }, }, "required": ["text"], }, ), types.Tool( name="ai_summarize", description="对长文本进行摘要，支持要点列表、段落摘要、一句话摘要三种模式。", inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要摘要的文本", }, "mode": { "type": "string", "description": "摘要模式: bullets（要点列表）/ paragraph（段落）/ one_line（一句话）", "enum": ["bullets", "paragraph", "one_line"], "default": "bullets", }, "max_points": { "type": "integer", "description": "要点数量（bullets 模式有效，默认 5）", "default": 5, }, "language": { "type": "string", "description": "输出语言（默认与原文相同）", "default": "", }, }, "required": ["text"], }, ), types.Tool( name="ai_rewrite", description="改写文本，支持正式化、口语化、简洁化、扩写四种模式。", inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要改写的文本", }, "mode": { "type": "string", "description": "改写模式: formal（正式）/ casual（口语）/ concise（简洁）/ expand（扩写）", "enum": ["formal", "casual", "concise", "expand"], "default": "formal", }, "instruction": { "type": "string", "description": "额外改写要求（可选），如：'保持技术术语不变'", "default": "", }, }, "required": ["text"], }, ), types.Tool( name="ai_extract", description=( "从文本中提取结构化信息，支持：人名、地名、时间、" "关键词、数字、邮箱、URL、自定义字段。" ), inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要提取信息的文本", }, "fields": { "type": "array", "items": {"type": "string"}, "description": ( "要提取的字段列表，如: [\"人名\",\"地名\",\"时间\",\"关键词\",\"数字\",\"邮箱\",\"URL\"] " "或自定义字段如 [\"产品名\",\"价格\",\"联系方式\"]" ), "default": ["关键词", "人名", "地名", "时间"], }, "output_format": { "type": "string", "description": "输出格式: json / markdown（默认 markdown）", "enum": ["json", "markdown"], "default": "markdown", }, }, "required": ["text"], }, ), types.Tool( name="ai_classify", description="对文本进行分类，支持情感分析、主题分类、意图识别，或自定义分类标签。", inputSchema={ "type": "object", "properties": { "text": { "type": "string", "description": "要分类的文本", }, "task": { "type": "string", "description": "分类任务: sentiment（情感）/ topic（主题）/ intent（意图）/ custom（自定义）", "enum": ["sentiment", "topic", "intent", "custom"], "default": "sentiment", }, "labels": { "type": "array", "items": {"type": "string"}, "description": "自定义分类标签（task=custom 时必填），如 [\"投诉\",\"咨询\",\"建议\"]", "default": [], }, "explain": { "type": "boolean", "description": "是否输出分类理由（默认 true）", "default": True, }, }, "required": ["text"], }, ), ]