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MCP server for Cangjie programming language documentation

Project description

Cangjie MCP Server

仓颉编程语言的 MCP (Model Context Protocol) 服务器,提供文档搜索和代码智能功能。

功能

  • 文档搜索: 基于向量检索的仓颉语言文档搜索
  • 代码智能: 基于 LSP 的代码补全、跳转定义、查找引用等功能

安装

pip install cangjie-mcp

或使用 uvx 直接运行(推荐):

uvx cangjie-mcp  # 启动聚合服务器(包含文档搜索 + 代码智能)

快速配置

注意:LSP 功能需要已安装仓颉 SDK,请将 /path/to/cangjie-sdk 替换为实际路径,或设置 CANGJIE_HOME 环境变量。

Claude Code
claude mcp add \
  -e CANGJIE_PREBUILT_URL=https://github.com/Zxilly/cangjie-mcp/releases/download/prebuilt-v1.0.7-zh/cangjie-index-v1.0.7-zh.tar.gz \
  -e CANGJIE_RERANK_TYPE=local \
  -e CANGJIE_HOME=/path/to/cangjie-sdk \
  cangjie -- uvx cangjie-mcp
Cursor / Windsurf / Claude Desktop

配置文件路径:

  • Cursor: ~/.cursor/mcp.json
  • Windsurf: ~/.codeium/windsurf/mcp_config.json
  • Claude Desktop (macOS): ~/Library/Application Support/Claude/claude_desktop_config.json
  • Claude Desktop (Windows): %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "cangjie": {
      "command": "uvx",
      "args": ["cangjie-mcp"],
      "env": {
        "CANGJIE_PREBUILT_URL": "https://github.com/Zxilly/cangjie-mcp/releases/download/prebuilt-v1.0.7-zh/cangjie-index-v1.0.7-zh.tar.gz",
        "CANGJIE_RERANK_TYPE": "local",
        "CANGJIE_HOME": "/path/to/cangjie-sdk"
      }
    }
  }
}
VS Code (GitHub Copilot)

settings.json:

{
  "mcp": {
    "servers": {
      "cangjie": {
        "command": "uvx",
        "args": ["cangjie-mcp"],
        "env": {
          "CANGJIE_PREBUILT_URL": "https://github.com/Zxilly/cangjie-mcp/releases/download/prebuilt-v1.0.7-zh/cangjie-index-v1.0.7-zh.tar.gz",
          "CANGJIE_RERANK_TYPE": "local",
          "CANGJIE_HOME": "/path/to/cangjie-sdk"
        }
      }
    }
  }
}
Zed

~/.config/zed/settings.json:

{
  "context_servers": {
    "cangjie": {
      "command": {
        "path": "uvx",
        "args": ["cangjie-mcp"],
        "env": {
          "CANGJIE_PREBUILT_URL": "https://github.com/Zxilly/cangjie-mcp/releases/download/prebuilt-v1.0.7-zh/cangjie-index-v1.0.7-zh.tar.gz",
          "CANGJIE_RERANK_TYPE": "local",
          "CANGJIE_HOME": "/path/to/cangjie-sdk"
        }
      }
    }
  }
}

可用工具

文档搜索

工具名称 功能
cangjie_search_docs 语义搜索仓颉文档
cangjie_get_topic 获取指定主题的完整内容
cangjie_list_topics 列出所有可用主题
cangjie_get_code_examples 获取代码示例
cangjie_get_tool_usage 获取工具使用说明

代码智能

工具名称 功能
cangjie_lsp_definition 跳转到符号定义
cangjie_lsp_references 查找符号的所有引用
cangjie_lsp_hover 获取符号的类型信息和文档
cangjie_lsp_symbols 列出文档中的所有符号
cangjie_lsp_diagnostics 获取文件的错误和警告
cangjie_lsp_completion 获取代码补全建议

命令行参考

cangjie-mcp(默认命令)

启动聚合服务器,同时提供文档搜索和 LSP 代码智能功能。

cangjie-mcp [OPTIONS]
cangjie-mcp docs [OPTIONS]   # 仅文档搜索
cangjie-mcp lsp [OPTIONS]    # 仅代码智能

通用选项

以下选项适用于 cangjie-mcpcangjie-mcp docscangjie-mcp lsp

CLI 参数 环境变量 默认值 说明
--log-file PATH CANGJIE_LOG_FILE - 日志文件路径
--debug / --no-debug CANGJIE_DEBUG --no-debug 启用调试模式,将 stdio 流量写入日志文件

文档选项

以下选项适用于 cangjie-mcpcangjie-mcp docs

CLI 参数 环境变量 默认值 说明
-v, --version - - 显示版本并退出
-V, --docs-version TEXT CANGJIE_DOCS_VERSION latest 文档版本 (git tag)
-l, --lang TEXT CANGJIE_DOCS_LANG zh 文档语言 (zh / en)
-e, --embedding TEXT CANGJIE_EMBEDDING_TYPE local 向量化类型 (local / openai)
--local-model TEXT CANGJIE_LOCAL_MODEL paraphrase-multilingual-MiniLM-L12-v2 本地 HuggingFace 向量化模型
--openai-api-key TEXT OPENAI_API_KEY - OpenAI API 密钥
--openai-base-url TEXT OPENAI_BASE_URL https://api.openai.com/v1 OpenAI API 基础 URL
--openai-model TEXT OPENAI_EMBEDDING_MODEL text-embedding-3-small OpenAI 向量化模型
-r, --rerank TEXT CANGJIE_RERANK_TYPE none 重排序类型 (none / local / openai)
--rerank-model TEXT CANGJIE_RERANK_MODEL BAAI/bge-reranker-v2-m3 重排序模型
--rerank-top-k INT CANGJIE_RERANK_TOP_K 5 重排序后返回结果数
--rerank-initial-k INT CANGJIE_RERANK_INITIAL_K 20 重排序前候选数
--chunk-size INT CANGJIE_CHUNK_MAX_SIZE 6000 最大分块大小(字符数)
-d, --data-dir PATH CANGJIE_DATA_DIR ~/.cangjie-mcp 数据目录路径

LSP 选项

以下选项仅适用于 cangjie-mcp lsp

CLI 参数 环境变量 默认值 说明
-v, --version - - 显示版本并退出
-w, --workspace PATH CANGJIE_WORKSPACE 当前目录 工作区根路径
-s, --sdk PATH CANGJIE_HOME - 仓颉 SDK 路径
--log / --no-log CANGJIE_LSP_LOG --no-log 启用 LSP 服务器日志
--log-path PATH CANGJIE_LSP_LOG_PATH - LSP 日志文件目录
-t, --timeout INT CANGJIE_LSP_TIMEOUT 45000 LSP 初始化超时(毫秒)

预构建索引管理

cangjie-mcp docs prebuilt download [OPTIONS]  # 下载预构建索引
cangjie-mcp docs prebuilt build [OPTIONS]     # 构建预构建索引
cangjie-mcp docs prebuilt list [OPTIONS]      # 列出可用索引
CLI 参数 环境变量 说明
-u, --url TEXT CANGJIE_PREBUILT_URL 预构建索引下载 URL

调试与日志

--log-file--debug 配合使用,可以帮助排查 MCP 通信问题:

# 记录应用日志到文件
cangjie-mcp --log-file /tmp/cangjie.log

# 调试模式:额外记录 MCP stdio 协议流量
cangjie-mcp --log-file /tmp/cangjie.log --debug

# 通过环境变量配置
CANGJIE_LOG_FILE=/tmp/cangjie.log CANGJIE_DEBUG=1 cangjie-mcp

许可证

MIT License

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