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MCP Server for Elasticsearch - index discovery, mapping, safe search/write execution

Project description

Elasticsearch MCP Server (elasticsearch-client-mcp-py)

Elasticsearch MCP Server:连接与索引发现、mapping、安全执行(搜索/写入由大模型产生 DSL,MCP 只做校验与执行)。

环境变量

单连接

变量 说明
ES_HOSTS 单 URL 形式,如 https://host:9200(推荐,自动解析 host/port/ssl)
ES_HOST 主机,如 localhost(与 ES_PORT 搭配)
ES_PORT 端口,默认 9200
ES_USER / ES_USERNAME 用户名,可选
ES_PASSWORD / ES_PWD 密码,可选
ES_USE_SSL 是否 HTTPS,默认 false(使用 ES_HOSTS 时由 URL 自动判断)
ES_SKIP_PRODUCT_CHECK 设为 1/true 时跳过 X-Elastic-Product 校验,兼容 ES 7.x、OpenSearch 等

多环境(TEST_ES_PROFILES / UAT_ES_PROFILES / PROD_ES_PROFILES)

每项可为:hosts(URL)或 host+portuser/usernamepassword/pwduse_ssldescriptionname。Profile 名为 test_0, prod_0 等。

示例:阿里云 Elasticsearch

# 单连接(注意:阿里云一般为 https,若你写的是 http1 请改为 https)
export ES_HOSTS="https://es-cn-0pp16vs4k000g76xq.elasticsearch.aliyuncs.com:9200"
export ES_USER="elastic"
export ES_PASSWORD="yunkc@123"

或使用 profile JSON(如 mcp.json 的 env):

"PROD_ES_PROFILES": "[{\"hosts\":\"https://es-cn-0pp16vs4k000g76xq.elasticsearch.aliyuncs.com:9200\",\"username\":\"elastic\",\"pwd\":\"yunkc@123\"}]"

安全

变量 默认 说明
ES_READ_ONLY false 为 true 时仅允许搜索
ES_MAX_SEARCH_SIZE 100 单次 search size 上限
ES_REQUEST_TIMEOUT 30 请求超时(秒)

安装与运行

uv sync && uv run python -m elasticsearch_client_mcp
# 或
elasticsearch-client-mcp-py

工具

工具 说明
list_connections 列出可用连接
list_indices 列出索引(支持 pattern)
get_mapping 指定索引的 mapping
analyze_request 分析请求(读/写/危险),不执行
execute_request 执行单条请求(method+path+body);写操作需 confirm

License

MIT

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