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MCP Server for semantic text search in Milvus: converts natural language to vectors automatically, no manual vector input required.

Project description

milvus-text-search-mcp

MCP Server for semantic text search in Milvus: converts natural language to vectors automatically — no manual vector input required.

将自然语言查询文本自动转换为向量嵌入,再执行 Milvus 向量相似度搜索。
无需 Agent 手动传入 1024 维向量数组,解决了 mcp-server-milvusmilvus-vector-search 工具需要传入向量的限制。

安装

# 使用 uvx 直接运行(无需预装,推荐)
uvx milvus-text-search-mcp

# 或使用 uv tool install 预装
uv tool install milvus-text-search-mcp

# 或使用 pip
pip install milvus-text-search-mcp

配置(环境变量)

变量 说明 默认值
MILVUS_URI Milvus 服务地址 http://localhost:19530
MILVUS_DEFAULT_DB Milvus 数据库名称 default
MILVUS_DEFAULT_COLLECTION 要搜索/统计的集合名称(必填
EMBEDDING_API_BASE OpenAI 兼容 Embedding API 基础地址
EMBEDDING_API_KEY Embedding API 密钥(必填
EMBEDDING_MODEL Embedding 模型名称(必填

支持任何 OpenAI 兼容的 Embedding API,如 SiliconFlow、Azure OpenAI、本地部署的 Ollama 等。

在 workmate 平台配置工具集

在工具集配置 JSON 中填写(替换为你的实际地址和密钥):

{
  "command": "uvx",
  "args": ["milvus-text-search-mcp"],
  "env": {
    "MILVUS_URI": "http://your-milvus-host:19530",
    "MILVUS_DEFAULT_COLLECTION": "resumes_collection",
    "EMBEDDING_API_BASE": "https://your-embedding-api/v1",
    "EMBEDDING_API_KEY": "your-api-key",
    "EMBEDDING_MODEL": "your-embedding-model-name"
  },
  "timeout": 120
}

提供的工具

milvus_semantic_text_search(核心工具)

将自然语言文本转换为向量后执行语义相似度搜索。

# Agent 调用示例
# 注意:collection 由环境变量 MILVUS_DEFAULT_COLLECTION 决定,不是调用参数
milvus_semantic_text_search(
    query_text="有5年Java开发经验的后端工程师",
    top_k=10,
    filter_expr='age >= 25 && age <= 40',  # 可选
    output_fields="name,age,email"          # 可选
)

milvus_count_records(统计工具)

统计集合中满足条件的记录总数,专为"有多少条"、"上传了多少"等数量查询设计。

# Agent 调用示例
milvus_count_records(
    filter_expr='resume_upload_time >= "2026-06-10T00:00:00+00:00"'  # 可选
)
# 返回:{"count": 87, "collection": "resumes_collection", "filter": "..."}

⚠️ 不要用 mcp-server-milvusmilvus_query + count(*) 统计数量,该工具内部强制 limit,与 count(*) 不兼容,会报错。请始终使用此工具统计数量。

milvus_get_text_embedding(辅助工具)

仅将文本转换为向量嵌入,不执行搜索。 通常不需要直接调用,请优先使用 milvus_semantic_text_search

与 mcp-server-milvus 的关系

工具集 输入 适用场景
mcp-server-milvus 需要 float 向量数组 已有向量的场景
milvus-text-search-mcp(本包) 自然语言文本 语义搜索场景(推荐)

两者可同时配置给同一个数字员工,互补使用。

License

MIT

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