ELK Log Query
FreeNot checkedEnables querying and searching logs from Kibana (ELK stack) via MCP, with support for project-based data views, trace ID correlation, and log expansion.
About
Enables querying and searching logs from Kibana (ELK stack) via MCP, with support for project-based data views, trace ID correlation, and log expansion.
README
通过 Playwright 登录 Kibana,用 FastMCP 暴露日志查询工具,按项目(Data View / 索引)检索日志。
功能
| Tool | 说明 |
|---|---|
list_projects |
列出 config.yaml 中的项目(含 aliases);include_remote=true 时合并 Kibana 全部 Data View |
list_index_patterns |
拉取 Kibana 侧全部 Data View / Index Pattern |
search_logs |
按时间范围 + query_string 查日志;默认 mode=summary;可选 trace_id |
search_by_trace_id |
按 TraceId / TID 关联查询(默认根 ID,覆盖同链路各 span) |
expand_log_hit |
用摘要命中的 _index + _id 二次展开完整日志 |
安装
cd ELK-mcp-server
python3 -m venv .venv
source .venv/bin/activate
pip install -e .
playwright install chromium
配置
cp config.example.yaml config.yaml
# 编辑 config.yaml:填写 base_url、账号密码、项目与 data_view_id 映射
示例:
kibana:
base_url: "https://elk.dev.jk.com"
username: "elastic"
password: "YOUR_PASSWORD"
headless: true
projects:
- name: default
data_view_id: "2eba7c60-6fa0-11f1-adae-c9851401c97f"
aliases:
- aas-dev-zs-saas-crm-admin
- zs-saas-crm-admin
- name: my-service
data_view_id: "<another-data-view-id>"
# 或只用 pattern:
# index_pattern: "logs-my-service-*"
data_view_id 来自 Discover URL 中的 index='...'。aliases 用于把用户口中的服务名映射到同一 Data View。
本地启动
source .venv/bin/activate
python -m elk_mcp.server
# 或
elk-mcp
接入 Cursor
在 Cursor MCP 配置中加入(路径按本机修改):
{
"mcpServers": {
"elk-logs": {
"command": "/Users/zhengzihang/Documents/trae_projects/ELK-mcp-server/.venv/bin/python",
"args": ["-m", "elk_mcp.server"],
"cwd": "/Users/zhengzihang/Documents/trae_projects/ELK-mcp-server",
"env": {
"PYTHONPATH": "/Users/zhengzihang/Documents/trae_projects/ELK-mcp-server/src"
}
}
}
}
若已 pip install -e .,可省略 PYTHONPATH,command 使用 .venv/bin/elk-mcp 亦可。
Agent Skill
项目内 Cursor Skill:.cursor/skills/elk-logs/SKILL.md
指导 Agent 按「摘要 → Trace 关联 → 展开」工作流使用本 MCP(查日志 / TraceId / 排障时自动适用)。
使用示例
list_projects— 查看已配置项目与 aliasessearch_logs(project="default", service="zs-saas-crm-admin", query='"queryReceptionDocumentDetail"', from_time="now-1d", size=20)
— 默认摘要:summary+message_preview/level/error_type/trace_idsearch_by_trace_id(trace_id="18b3bac3....116....", project="default", from_time="now-1d")
—match=related(默认)用.前的根 ID 拉整条链路;match=exact只匹配完整 span TIDexpand_log_hit(index=hit._index, doc_id=hit._id)— 展开完整 message/堆栈- 需要列表内直接带 message:
mode="full";total=0时阅读hints/meta
说明
- 会话 Cookie 会持久化到
.elk_session/cookies.json(可用kibana.cookie_file覆盖);启动时优先复用,仅在缺失/探测失败/401/403 时用 Playwright 重新登录,登录后关闭浏览器。 - 查询走 Kibana HTTP API(Cookie +
kbn-xsrf),不解析 Discover DOM。 search_logs默认mode=summary,只返回预览与归类摘要;完整日志用expand_log_hit二次拉取。search_by_trace_id用于链路关联:兼容[TID:...]/TID:/ 原始 ID,默认按根 TraceId 查询并返回trace_summary。mode=full时默认字段仍为@timestamp+message,长字段头尾截断;fields=["*"]可拿全文。kuery/lucene目前都按 ESquery_string执行;驼峰方法名、接口路径请加引号。config.yaml与.elk_session/含敏感信息,已加入.gitignore,请勿提交。
Install ELK Log Query in Claude Desktop, Claude Code & Cursor
unyly install elk-log-query-mcpInstalls into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.
First time? Get the CLI: curl -fsSL https://unyly.org/install | sh
Or configure manually
Run in your terminal:
claude mcp add elk-log-query-mcp -- uvx --from git+https://github.com/zhengziha/ELK-mcp-server elk-mcp-serverFAQ
Is ELK Log Query MCP free?
Yes, ELK Log Query MCP is free — one-click install via Unyly at no cost.
Does ELK Log Query need an API key?
No, ELK Log Query runs without API keys or environment variables.
Is ELK Log Query hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install ELK Log Query in Claude Desktop, Claude Code or Cursor?
Open ELK Log Query on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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