wip(docs): i18n (#12681)
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packages/web/src/content/docs/zh-cn/custom-tools.mdx
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title: 定制工具
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description: 創建法學碩士可以在開放代碼中調用的工具。
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---
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自定义工具是您创建的函数,LLM 可以在对话期间调用。它们与 opencode 的[内置工具](/docs/tools) 一起工作,例如 `read`、`write` 和 `bash`。
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---
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## 創建工具
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工具定义为 **TypeScript** 或 **JavaScript** 文件。但是,工具定义调用可以使用 **任何语言** 编写的脚本 - TypeScript 或 JavaScript 仅用于工具定义本身。
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---
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### 地點
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它們可以定義為:
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- 通过将它们放在项目的 `.opencode/tools/` 目录中来本地进行。
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- Error 500 (Server Error)!!1500.That’s an error.There was an error. Please try again later.That’s all we know.
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---
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### 結構
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创建工具最简单的方法是使用 `tool()` 帮助程序,它提供类型安全和验证。
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```ts title=".opencode/tools/database.ts" {1}
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import { tool } from "@opencode-ai/plugin"
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export default tool({
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description: "Query the project database",
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args: {
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query: tool.schema.string().describe("SQL query to execute"),
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},
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async execute(args) {
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// Your database logic here
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return `Executed query: ${args.query}`
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},
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})
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```
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**文件名**成为**工具名称**。以上创建了一个 `database` 工具。
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---
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#### 每個文件多個工具
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您還可以從單個文件導出多個工具。每個導出都會成為**一個單獨的工具**,名稱為**`<filename>_<exportname>`**:
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```ts title=".opencode/tools/math.ts"
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import { tool } from "@opencode-ai/plugin"
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export const add = tool({
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description: "Add two numbers",
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args: {
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a: tool.schema.number().describe("First number"),
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b: tool.schema.number().describe("Second number"),
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},
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async execute(args) {
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return args.a + args.b
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},
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})
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export const multiply = tool({
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description: "Multiply two numbers",
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args: {
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a: tool.schema.number().describe("First number"),
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b: tool.schema.number().describe("Second number"),
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},
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async execute(args) {
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return args.a * args.b
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},
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})
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```
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这将创建两个工具:`math_add` 和 `math_multiply`。
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---
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### 論據
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您可以使用`tool.schema`(即[佐德](https://zod.dev))来定义参数类型。
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```ts "tool.schema"
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args: {
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query: tool.schema.string().describe("SQL query to execute")
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}
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```
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您还可以直接导入[佐德](https://zod.dev)并返回一个普通对象:
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```ts {6}
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import { z } from "zod"
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export default {
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description: "Tool description",
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args: {
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param: z.string().describe("Parameter description"),
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},
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async execute(args, context) {
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// Tool implementation
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return "result"
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},
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}
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```
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---
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### 情境
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工具接收有關當前會話的上下文:
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```ts title=".opencode/tools/project.ts" {8}
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import { tool } from "@opencode-ai/plugin"
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export default tool({
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description: "Get project information",
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args: {},
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async execute(args, context) {
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// Access context information
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const { agent, sessionID, messageID, directory, worktree } = context
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return `Agent: ${agent}, Session: ${sessionID}, Message: ${messageID}, Directory: ${directory}, Worktree: ${worktree}`
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},
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})
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```
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使用 `context.directory` 作为会话工作目录。
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使用 `context.worktree` 作为 git 工作树根。
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---
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## 示例
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### 用Python编写一个工具
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您可以使用任何您想要的语言编写工具。下面是一个使用 Python 将两个数字相加的示例。
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首先,使用创建 Python 脚本的工具:
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```python title=".opencode/tools/add.py"
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import sys
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a = int(sys.argv[1])
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b = int(sys.argv[2])
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print(a + b)
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```
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然後創建調用它的工具定義:
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```ts title=".opencode/tools/python-add.ts" {10}
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import { tool } from "@opencode-ai/plugin"
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import path from "path"
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export default tool({
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description: "Add two numbers using Python",
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args: {
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a: tool.schema.number().describe("First number"),
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b: tool.schema.number().describe("Second number"),
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},
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async execute(args, context) {
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const script = path.join(context.worktree, ".opencode/tools/add.py")
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const result = await Bun.$`python3 ${script} ${args.a} ${args.b}`.text()
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return result.trim()
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},
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})
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```
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这里我们使用 [`Bun.$`](https://bun.com/docs/runtime/shell) 实用程序来运行 Python 脚本。
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