ENGINEERING

AI flaky-test triage agent: classify root cause and route to the right owner

On a confirmed flaky test, an agent reads the failure logs and diff to classify the root cause (timing, network, ordering, data).

CategoryEngineering
Enginepaperclip
Difficultyadvanced
Triggerevent
Steps5
Setup~25 min

How it runs

The automated pipeline, trigger to output.

  • TriggerTest confirmed flakyGitHubGitHub
  • ActionGather logs, test source, recent commitsGitHubGitHub
  • LogicAgent classifies root cause and drafts fixOpenAI
  • ActionSelect owner from CODEOWNERS + authorshipGitHubGitHub
  • OutputFile categorized, owner-assigned Linear ticketLinearLinear

What it does

Adds reasoning on top of detection. Once a test is confirmed flaky, an agent inspects the stack trace, recent diffs, and rerun history to guess why it flakes (race condition, network timeout, test-order dependency, shared fixture) and writes a triage note with a suggested fix and the best owner to assign.

When to use it

Use when raw flaky tickets pile up unread because nobody knows the cause. The agent does the first pass of investigation a senior engineer would, so the ticket arrives with a hypothesis and a named owner instead of just a red log.

How it works

  1. 1A GitHub webhook fires when a test is confirmed flaky (pass-on-retry).
  2. 2The flow gathers context: failure logs, the failing test source, and recent commits touching it.
  3. 3The agent classifies the likely root cause and drafts a suggested fix and confidence level.
  4. 4It chooses an owner from CODEOWNERS plus recent authorship signals.
  5. 5It files a Linear ticket with the category label, root-cause hypothesis, and proposed fix, assigned to that owner.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect GitHubRepos, issues, pull requests, actions.
  2. 2
    Connect LinearIssues, projects, cycles, triage.
  3. 3
    Connect OpenAIModels, embeddings, files.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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