prometheus

Write PromQL queries and design alerting rules for Prometheus monitoring.

Updated Feb 26, 2026
One-click install
npx skills add https://github.com/gagan114662/exp --skill prometheus-gagan114662
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prometheus
Source: https://github.com/gagan114662/exp/tree/main/crates/openfang-skills/bundled/prometheus
Command: npx skills add https://github.com/gagan114662/exp --skill prometheus-gagan114662

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users design, implement, and troubleshoot Prometheus monitoring systems, ensuring reliable observability and actionable alerting.

Core Features & Use Cases

  • PromQL Expertise: Write complex PromQL queries for metrics analysis and alerting.
  • Alerting Strategy: Design effective alerting rules to minimize noise and ensure timely incident response.
  • Grafana Integration: Understand how to build effective dashboards for visualizing Prometheus data.
  • Use Case: You need to set up alerts for high latency on your web service. This Skill can guide you in writing the correct PromQL query and configuring Alertmanager rules.

Quick Start

Use the prometheus skill to write a PromQL query for 99th percentile latency over 5 minutes.

Frequently Asked Questions about prometheus

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write a PromQL query for 99th percentile latency over a 5-minute window?

To calculate 99th percentile latency in PromQL, use the histogram_quantile function combined with rate metrics over a 5-minute window. This Skill provides expert guidance on constructing complex PromQL queries for metrics analysis and alerting.

What is the best way to design Prometheus alerting rules to reduce alert fatigue?

Designing effective Prometheus alerting rules requires minimizing noise and ensuring timely incident response. This Skill guides you in creating alerting strategies that reduce alert fatigue while maintaining reliable observability and actionable alerts.

How do I build a Grafana dashboard to visualize Prometheus metrics?

Building a Grafana dashboard to visualize Prometheus metrics involves connecting your data source and writing queries for visualization. This Skill helps you understand how to create effective dashboards for visualizing Prometheus data and observability metrics.

Do I need to understand cardinality management to use Prometheus for observability?

Yes, understanding cardinality management is required for Prometheus observability. This Skill addresses challenges in metric collection and requires knowledge of metric types, service discovery, and cardinality management to ensure reliable system monitoring.

Why does my Prometheus setup suffer from high metric cardinality and how do I fix it?

High metric cardinality in Prometheus often stems from unbounded labels and poor service discovery configuration. This Skill addresses these metric collection challenges by providing expert guidance on cardinality management and observability best practices.