Individual skill

slo-error-budget

Define Service Level Objectives (SLOs) and an error budget policy for a service. Use when asked to write SLOs, define SLIs, calculate an error budget, set reliability targets, or create an error budget policy. Produces a complete SLO document with SLI definitions, target calculation, error budget policy, burn rate alerts, and review cadence.

plugins/pm-engineering/skills/slo-error-budget/SKILL.md

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Nov 10, 2026
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# SLO and Error Budget Skill

Produce a complete, implementable SLO document for a service — covering what to measure, what target to set, how to calculate the error budget, and what to do when it burns.

A good SLO is not a target to hit. It is an agreement about what reliability means for your users — and a framework for making principled trade-offs between reliability and velocity.

## Required Inputs

Ask for these if not already provided:
- **Service name** and brief description of what it does
- **Primary users** — who depends on this service and how
- **User-facing interactions** to protect — e.g. API calls, page loads, transactions
- **Current reliability data** — error rate, latency, uptime (last 30–90 days if available)
- **Existing on-call setup** — who responds to alerts?
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