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wip(docs): i18n (#12681)
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packages/web/src/content/docs/zh-tw/custom-tools.mdx
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---
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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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自定義工具是您創建的函數,LLM 可以在對話期間調用。它們與 opencode 的 [內置工具](/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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工具定義為 **TypeScript** 或 **JavaScript** 文件。但是,工具定義可以調用用 **任何語言** 編寫的腳本 - TypeScript 或 JavaScript 僅用於工具定義本身。
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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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- 通過將它們放在項目的 `.opencode/tools/` 目錄中來本地進行。
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- 或者在全局範圍內,將它們放置在 `~/.config/opencode/tools/` 中。
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---
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### 結構
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創建工具的最簡單方法是使用 `tool()` 幫助程序,它提供類型安全和驗證。
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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**成為**工具名稱**。以上創建了一個 `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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這將創建兩個工具:`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))來定義參數類型。
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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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您還可以直接導入[佐德](https://zod.dev)並返回一個普通對象:
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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` 作為會話工作目錄。
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使用 `context.worktree` 作為 git 工作樹根。
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---
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## 示例
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### 用Python編寫一個工具
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您可以用任何您想要的語言編寫工具。下面是一個使用 Python 將兩個數字相加的示例。
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首先,將該工具創建為 Python 腳本:
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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} ${args.b}`.text()
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return result.trim()
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},
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})
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```
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這裡我們使用 [`Bun.$`](https://bun.com/docs/runtime/shell) 實用程序來運行 Python 腳本。
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