Calculator
Incident timeline calculator
Calculate response intervals with UTC-normalized timestamps and a range for uncertain onset.
- Bring
- Incident timestamps and evidence
- Get
- Response intervals with unknowns and recovery evidence
The working toolkit
Useful tools.
Clear answers.
Turn incident records, service measurements and planning assumptions into results you can explain. Start with an example, then make it your own.
15 free toolsNo account requiredLocal drafts & exports
Find the right tool ↓15 tools
Respond to an incident
Reconstruct what happened, compare detection times and communicate clearly.
Calculator
MTTD calculator
Compare mean, median and range while keeping missing and excluded incidents visible.
- Bring
- Paste or upload incident data
- Get
- Mean, median and range with missing-data counts
Builder
Incident update builder
Turn confirmed impact, response actions and the next checkpoint into a clear status update.
- Bring
- Impact, current status and next update time
- Get
- A copy-ready update with gaps flagged
Prepare and follow through
Build usable procedures and verify the corrective work.
Builder
Guided runbook builder
Create a service procedure with escalation, bounded mitigation and recovery checks.
- Bring
- Service details and recovery checks
- Get
- 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.
- Bring
- Actions, owners and verification evidence
- Get
- An action register with owners, verification evidence and remaining risk
Measure and protect service reliability
Inspect latency, error budgets, page volume and the effects of retries.
Calculator
Error-budget calculator
Calculate the failure allowance and remaining budget in event counts or minutes.
- Bring
- An SLO and eligible event or time totals
- Get
- 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.
- Bring
- An SLO and counts for two nested windows
- Get
- Two-window burn rates with threshold and scope checks
Calculator
Alert load calculator
Measure page volume, classification coverage and estimated responder effort without hiding unreviewed alerts.
- Bring
- Total pages, reviewed classifications and handling time
- Get
- Daily load, actionability and unreviewed volume
Analyzer
Latency percentile analyzer
See the slow tail behind an average with percentiles, threshold counts and a latency distribution.
- Bring
- One latency value per request in a single unit
- Get
- P50, P90, P95, P99, histogram and threshold failures
Planner
Retry and backoff planner
Inspect retry delays, timeout bounds and the extra calls a failure can create before setting a retry policy.
- Bring
- Attempts, timeout, backoff cap and caller deadline
- Get
- Attempt timeline, deadline check and call amplification
Plan service and team capacity
Size a service for failure, plan on-call coverage and estimate time recovered by automation.
Planner
On-call coverage calculator
Estimate rotation load and available coverage when people take leave or are not yet ready for on-call.
- Bring
- Coverage hours, seats, responders and leave allowance
- Get
- Weekly load, rotation interval and a capacity gap
Calculator
Toil and automation calculator
Estimate recurring work, net time recovered and the effort payback period for an automation.
- Bring
- Task volume, handling time and automation effort
- Get
- Monthly toil, net hours saved and payback
Planner
Capacity and failover planner
Check whether measured capacity can absorb forecast demand when instances are unavailable.
- Bring
- Peak demand, tested capacity and an outage scenario
- Get
- Normal and degraded load, spare capacity and fleet size
Plan AI usage
Estimate token costs and examine the mistakes in an AI decision.
Calculator
LLM cost calculator
Model token spend across calls, retries and caching using the rates you supply.
- Bring
- Token counts, rates and calls per task
- Get
- Per-task and monthly token-cost scenarios
Analyzer
AI evaluation scorecard
Compare a binary AI decision with reviewed outcomes and see which mistakes an accuracy score can hide.
- Bring
- Four reviewed outcome counts and the positive-class definition
- Get
- Confusion matrix, precision, recall, F1 and error counts
Connect the steps
Guided workflows
01 / 3 steps
Review an incident
Reconstruct the response, review corrective actions and update the runbook.
Open workflow: Review an incident02 / 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 budgetPractice with evidence
Explore synthetic cases that show what incident records and measurements can establish.
Measurement completeness labIncident decision-log replay kitTemplates & 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 Python example that returns pass, fail or unknown from observations gathered separately from the agent being evaluated.
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 exampleInteractive lab + Python and CSV
Measurement completeness lab
Compare confirmed success, no eligible traffic and missing outcomes using six reproducible synthetic cohorts.
View instructions & downloads: Measurement completeness labInteractive lab + Python and JSON
Incident decision-log replay kit
Replay ten synthetic records that separate proposal, authorization, execution and verified service outcomes.
View instructions & downloads: Incident decision-log replay kit