Prometheus
The monitoring system and time-series database that defined the exposition format OpenMetrics standardised — scrapes metrics endpoints and stores them for querying.
Specifications it implements
What this tool does to each specification, in the role vocabulary. Follow a standard through to standards.apievangelist.com for what it actually specifies.
| Standard | Role | What that means |
|---|---|---|
| OpenMetrics | scrapes |
- Interfaces
containerclihttp-api- Install
-
brew
prometheus - Consumes
- openmetrics, prometheus
- Emits
- json, openmetrics
- Runtime
- Runs offline Non-deterministic Read-only No credentials
Where it applies
Jobs this tool actually does, and the surface each one is exercised on.
The PromQL HTTP API is a genuinely good agent surface — a precise query language with JSON results, which beats scraping dashboards.
- Website
- https://prometheus.io/
- Repository
- https://github.com/prometheus/prometheus
- License
- Apache-2.0 — reported by the GitHub API, verified 2026-09-17
- Stars
- 66104 · last commit 2026-09-17
- Companies hiring
- 228 — distinct companies whose job postings name this tool, Q3-2026. A demand signal, not a deployment count.
- Also known as
- Prom, prom, prometheus
/tools.json,
against the tool.schema.json
schema, using the roles.json
vocabulary. Start at /llms.txt.