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软件包文档 MCP 服务器

MCP(模型上下文协议)服务器为 LLM 提供跨多种编程语言和语言服务器协议 (LSP) 功能对包文档的有效访问。

铁匠徽章

特征

  • 多语言支持

    • 通过go doc获取 Go 软件包

    • 通过内置help() Python 库

    • 通过注册表文档(包括私有注册表)的 NPM 包

    • 通过 crates.io 和 docs.rs 获取 Rust 板条箱

  • 智能文档解析

    • 包含描述、用法和示例的结构化输出

    • 重点突出的信息,避免上下文过载

    • 支持特定符号/函数查找

    • 跨文档的模糊和精确搜索功能

  • 高级搜索功能

    • 在包文档中搜索

    • 模糊匹配,灵活查询

    • 具有相关性评分的上下文感知结果

    • 从搜索结果中提取符号

  • 语言服务器协议(LSP)支持

    • 代码符号的悬停信息

    • 代码补全

    • 诊断(错误和警告)

    • 目前支持 TypeScript/JavaScript

    • 可扩展至其他语言

  • 性能优化

    • 内置缓存

    • 高效解析

    • 最小内存占用

Related MCP server: DocsFetcher MCP Server

安装

npx -y mcp-package-docs

通过 Smithery 安装

要通过Smithery自动安装 Claude Desktop 的 Package Docs:

npx -y @smithery/cli install mcp-package-docs --client claude

用法

作为 MCP 服务器

  1. 添加到您的 MCP 设置配置:

{ "mcpServers": { "package-docs": { "command": "npx", "args": ["-y", "mcp-package-docs"], "env": { "ENABLE_LSP": "true" // Optional: Enable Language Server Protocol support } } } }
  1. LSP 功能包括通用语言服务器的默认配置:

  • TypeScript/JavaScript: typescript-language-server --stdio

  • HTML: vscode-html-language-server --stdio

  • CSS: vscode-css-language-server --stdio

  • JSON: vscode-json-language-server --stdio

如果需要,您可以覆盖这些默认值:

{ "mcpServers": { "package-docs": { "command": "npx", "args": ["-y", "mcp-package-docs"], "env": { "ENABLE_LSP": "true", "TYPESCRIPT_SERVER": "{\"command\":\"/custom/path/typescript-language-server\",\"args\":[\"--stdio\"]}" } } } }
  1. 该服务器提供以下工具:

lookup_go_doc / describe_go_package

获取 Go 包文档

{ "name": "describe_go_package", "arguments": { "package": "encoding/json", // required "symbol": "Marshal" // optional } }

lookup_python_doc / describe_python_package

获取 Python 包文档

{ "name": "describe_python_package", "arguments": { "package": "requests", // required "symbol": "get" // optional } }

describe_rust_package

从 crates.io 和 docs.rs 获取 Rust crate 文档

{ "name": "describe_rust_package", "arguments": { "package": "serde", // required: crate name "version": "1.0.219" // optional: specific version } }

搜索包文档

在包文档中搜索

{ "name": "search_package_docs", "arguments": { "package": "requests", // required: package name "query": "authentication", // required: search query "language": "python", // required: "go", "python", "npm", "swift", or "rust" "fuzzy": true // optional: enable fuzzy matching (default: true) } }

lookup_npm_doc / describe_npm_package

从公共和私有注册表获取 NPM 包文档。根据您的 .npmrc 配置自动使用适当的注册表。

{ "name": "describe_npm_package", "arguments": { "package": "axios", // required - supports both scoped (@org/pkg) and unscoped packages "version": "1.6.0" // optional } }

该工具读取您的 ~/.npmrc 文件以确定每个包的正确注册表:

  • 使用范围注册表配置(例如,@mycompany:registry = ...)

  • 支持私有注册表(GitHub Packages、GitLab、Nexus、Artifactory 等)

  • 如果没有配置自定义注册表,则回退到默认 npm 注册表

.npmrc 配置示例:

registry=https://nexus.mycompany.com/repository/npm-group/ @mycompany:registry=https://nexus.mycompany.com/repository/npm-private/ @mycompany-ct:registry=https://npm.pkg.github.com/

语言服务器协议 (LSP) 工具

启用 LSP 支持后,以下附加工具将可用:

获取悬停

获取文档中某个位置的悬停信息

{ "name": "get_hover", "arguments": { "languageId": "typescript", // required: language identifier (e.g., "typescript", "javascript") "filePath": "src/index.ts", // required: path to the source file "content": "const x = 1;", // required: content of the file "line": 0, // required: zero-based line number "character": 6, // required: zero-based character position "projectRoot": "/path/to/project" // optional: project root directory } }

获取完成信息

获取文档中某个位置的完成建议

{ "name": "get_completions", "arguments": { "languageId": "typescript", // required: language identifier "filePath": "src/index.ts", // required: path to the source file "content": "const arr = []; arr.", // required: content of the file "line": 0, // required: zero-based line number "character": 16, // required: zero-based character position "projectRoot": "/path/to/project" // optional: project root directory } }

获取诊断

获取文档的诊断信息(错误、警告)

{ "name": "get_diagnostics", "arguments": { "languageId": "typescript", // required: language identifier "filePath": "src/index.ts", // required: path to the source file "content": "const x: string = 1;", // required: content of the file "projectRoot": "/path/to/project" // optional: project root directory } }

LLM 中的使用示例

查找文档

// Looking up Go documentation const goDocResult = await use_mcp_tool({ server_name: "package-docs", tool_name: "describe_go_package", arguments: { package: "encoding/json", symbol: "Marshal" } }); // Looking up Python documentation const pythonDocResult = await use_mcp_tool({ server_name: "package-docs", tool_name: "describe_python_package", arguments: { package: "requests", symbol: "post" } }); // Looking up Rust documentation const rustDocResult = await use_mcp_tool({ server_name: "package-docs", tool_name: "describe_rust_package", arguments: { package: "serde" } }); // Searching within documentation const searchResult = await use_mcp_tool({ server_name: "package-docs", tool_name: "search_package_docs", arguments: { package: "serde", query: "serialize", language: "rust", fuzzy: true } }); // Using LSP for hover information (when LSP is enabled) const hoverResult = await use_mcp_tool({ server_name: "package-docs", tool_name: "get_hover", arguments: { languageId: "typescript", filePath: "src/index.ts", content: "const axios = require('axios');\naxios.get", line: 1, character: 7 } });

要求

  • Node.js >= 20

  • Go(用于 Go 包文档)

  • Python 3(用于 Python 包文档)

  • 互联网连接(用于 NPM 包文档和 Rust 包文档)

  • 语言服务器(用于 LSP 功能):

    • TypeScript/JavaScript: npm install -g typescript-language-server typescript

    • HTML/CSS/JSON: npm install -g vscode-langservers-extracted

发展

# Install dependencies npm i # Build npm run build # Watch mode npm run watch

贡献

  1. 分叉存储库

  2. 创建你的功能分支( git checkout -b feature/amazing-feature

  3. 提交您的更改( git commit -m 'Add some amazing feature'

  4. 推送到分支( git push origin feature/amazing-feature

  5. 打开拉取请求

执照

该项目根据 MIT 许可证获得许可 - 有关详细信息,请参阅LICENSE文件。

One-click Deploy
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security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

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