- Prometheus MCP 服务器
Content
Prometheus MCP 服务器
这是一个简化版的Prometheus MCP服务器,用于查询指标提供 ai 分析。
快速开始
启动
- 设置Prometheus地址环境变量:
export PROMETHEUS_URL=your_Prometheus_endpoint
- 启动服务器:
go run cmd/server/main.go sse
服务器将在:8081端口启动,可以通过以下URL访问:
- (可选) 设置日志文件路径:
export APP_LOG_FILE=/path/to/logfile.log
测试
npx @modelcontextprotocol/inspector node build/index.js
功能特性
AI友好化分析指标
- JSON格式输出:所有查询结果均以JSON格式返回,便于AI系统解析处理
MCP工具
-
search_metrics - 按正则表达式搜索指标
- 参数:
pattern(指标名称模式,支持正则表达式) - 示例:
http_.*匹配所有以http_开头的指标 - 返回: 匹配的指标名称列表(JSON格式)
- 参数:
-
get_metric_labels - 获取指标的所有标签
- 参数:
name(指标名称) - 示例:
http_requests_total - 返回: 该指标的所有标签列表(JSON格式,不包括
__name__标签)
- 参数:
-
get_metric_label_values - 获取指标标签的所有值
- 参数:
name(指标名称)label(标签名称)
- 示例: 获取
http_requests_total指标的method标签的所有值 - 返回: 指定标签的所有值列表(JSON格式)
- 参数:
-
query - 执行PromQL即时查询
- 参数:
query(PromQL查询语句)time(查询时间戳,格式为RFC3339或Unix时间戳,可选)
- 示例: 查询当前CPU使用率
- 返回: 查询结果(JSON格式)
- 参数:
-
query_range - 执行PromQL范围查询
- 参数:
query(PromQL查询语句)start(开始时间,格式为RFC3339或Unix时间戳(毫秒))end(结束时间,格式为RFC3339或Unix时间戳(毫秒))step(查询步长,例如'15s'、'1m')
- 示例: 查询过去1小时CPU使用率变化,每15秒一个数据点
- 返回: 范围查询结果(JSON格式)
- 参数:
-
query_chart - 执行PromQL范围查询并生成图表
- 参数:
query(PromQL查询语句)start(开始时间,格式为RFC3339或Unix时间戳(毫秒))end(结束时间,格式为RFC3339或Unix时间戳(毫秒))step(查询步长,例如'15s'、'1m')title(图表标题,可选)
- 示例: 查询过去1小时CPU使用率变化并生成图表
- 返回: 图表图片(base64编码的PNG格式)
- 参数:
服务器端
- 设置Prometheus地址:
export PROMETHEUS_URL=your_Prometheus_endpoint
- 启动服务器:
go run cmd/server/main.go sse
服务器默认将在:8081端口暴露Prometheus指标。
mcp 客户端配置
配置示例:
{
"mcpServers": {
"products-sse": {
"url": "http://localhost:8081/sse"
}
}
}
项目结构
.
├── cmd/ # 命令行程序入口
│ └── server/ # 服务器代码
├── internal/ # 内部实现
├── pkg/ # 可复用包
│ └── prometheus # Prometheus相关实现
└── go.mod # Go模块定义
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