Nightingale
Nightingale is a self-hosted alerting tool that watches your metrics, logs, and databases and sends alerts to your team for teams running their own monitoring.
What it is good for
- Getting alerts when servers or databases misbehave
- Routing monitoring alerts to Slack or PagerDuty
- Investigating why an alert fired using an built-in AI assistant
- Connecting an AI assistant to monitoring data through MCP
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Prometheus, VictoriaMetrics, Loki, ClickHouse, Slack, PagerDuty
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 13,427
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Nightingale free?
- Yes. It is free and open source (Apache-2.0 license).
- Do I need to know how to code to use Nightingale?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Nightingale work with?
- According to its own documentation, it works with Prometheus, VictoriaMetrics, Loki, ClickHouse, Slack, and PagerDuty.
- What is Nightingale good for?
- Getting alerts when servers or databases misbehave, routing monitoring alerts to Slack or PagerDuty, investigating why an alert fired using an built-in AI assistant, and connecting an AI assistant to monitoring data through MCP.
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