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Investigate an error spike while it is still spiking

An investigation note that starts with a timeline instead of a blank page. Built for an on-call engineer who gets an alert and a blank page to start from.

Uses
  • Sentry
  • GitHub
  • Datadog
  • Slack

5 steps4 integrationsRuns on alert

The alert says something broke, not what changed. What it costs while the work is still done by hand.

  • 01The alert says something broke, not what changed.
  • 02Correlating the spike with a deploy is manual every time.
  • 03The context is assembled from scratch at 3am.
error-spike-triage · 2f68c3adsucceeded · 12s
  • Read errors1,204 events · 40 min
  • Find deploys2 merges in the window
  • Check metricscheckout-api · same window
  • Write notetimeline · 2 candidates
  • Post to Slackpost_message · #inc-checkout
what a run leaves behind

One workflow, five steps. ModuleX drafts this graph from a single sentence, and every step stays editable.

  1. 01Read the error group and its recent frequency.Sentry
  2. 02Find deploys and merges in the same window.GitHub
  3. 03Check whether related services show the same window.Datadog
  4. 04Assemble a short investigation note with the timeline.ModuleX
  5. 05Post it to the incident channel.Slack

The workflow is an editable graph. Reading runs freely; post it to the incident channel waits for your opt-in approval until you loosen it. The graph is the receipt.

A timeline, not a blank page. Paste this into ModuleX chat, or hit Use this workflow.

investigate an error spike while it is still spiking: read the error group and its recent frequency; find deploys and merges in the same window; check whether related services show the same window; assemble a short investigation note with the timeline. Ask me before anything is sent or written.

to: composer
Copy the promptUse this workflow

Or skip the workflow entirely. Ask the assistant in chat and it runs the same job agentically: it picks the right actions, chains them, and reports back. The composer is for when you want it repeatable.

assistant · chatlive

Investigate an error spike while it is still spiking. An investigation note that starts with a timeline instead of a blank page.

  • sentry · list_issue_events
  • github · list_pull_requests
  • datadog · search_logs

An investigation note that starts with a timeline instead of a blank page.

Reply…gpt-5.5

Where this fits. The tools it runs on, and the teams that run it.

About this use case.

  • No. It gathers the correlating facts; the diagnosis is yours.