01 / 3 steps
Review an incident
Reconstruct the response, review corrective actions and update the runbook.
Open workflow: Review an incidentTools
Find an AI tool for your next task, or use our free reliability calculators, builders and templates.
Free SRE tools
Use these calculators and builders without an account.
Guided workflows
02 / 3 steps
Prepare an incident response
Draft a runbook, work through an example and record the gaps to resolve.
Open workflow: Prepare an incident response03 / 3 steps
Review a reliability budget
Calculate the allowance, inspect burn rate and connect the result to your release policy.
Open workflow: Review a reliability budgetTools by task
01
Investigate an incident
Reconstruct the response and compare detection times.
Calculator
Incident timeline calculator
Calculate response intervals with UTC-normalized timestamps and a range for uncertain onset.
- Input
- Incident timestamps and evidence
- Output
- Response intervals with unknowns and recovery evidence
Calculator
MTTD calculator
Compare mean, median and range while keeping missing and excluded incidents visible.
- Input
- Paste or upload incident data
- Output
- Mean, median and range with missing-data counts
02
Prepare and improve response
Build a procedure and carry corrective actions through review.
Builder
Guided runbook builder
Create a service procedure with escalation, bounded mitigation and recovery checks.
- Input
- Service details and recovery checks
- Output
- An editable procedure with escalation and recovery checks
Tracker
Postmortem action tracker
Follow a corrective action from delivery to its verification test and remaining risk.
- Input
- Actions, owners and verification evidence
- Output
- An action register with owners, verification evidence and remaining risk
03
Manage reliability targets
Calculate an error budget and inspect its rate of consumption.
Calculator
Error-budget calculator
Calculate the failure allowance and remaining budget in event counts or minutes.
- Input
- An SLO and eligible event or time totals
- Output
- Allowed, consumed and remaining budget in the chosen units
Calculator
SLO burn-rate calculator
Compare two windows of error rates with the SLO and your chosen burn threshold.
- Input
- An SLO and counts for two nested windows
- Output
- Two-window burn rates with threshold and scope checks
Templates & downloads
Markdown download
Incident runbook template
A Markdown procedure with fields for diagnosis, mitigation, escalation and recovery checks.
View instructions & downloads: Incident runbook templatePython + JSON download
Incident-agent recovery grader
A small deterministic example that returns pass, fail, or unknown from evaluator-owned observations.
View instructions & downloads: Incident-agent recovery graderOnline guide
Error-budget worksheet and examples
Calculations, service-level objective fields, and release-policy examples to adapt with your team.
View instructions: Error-budget worksheet and examplesOnline code guide
Python logging example
Logging configuration that preserves operational evidence and failure exit status.
View instructions: Python logging example