DEVOPS
Agent-triage a blocked promote into a root-cause report
When the synthetic gate blocks a promote, an agent pulls the failing metrics, the PR diff, and recent commits.
How it runs
The automated pipeline, trigger to output.
- TriggerBlocked-promote event with metric diff
- ActionFetch PR diff and recent commits from GitHubGitHub
- LogicAgent correlates regression with changed files
- ActionPost root-cause report as GitHub PR commentGitHub
- OutputSend condensed triage summary to SlackSlack
What it does
A blocked promote tells you a budget broke but not why. This agent-driven workflow gathers the regressed synthetic metrics, the GitHub diff for the preview, and the recent commit history, then reasons about the likely cause (a new dependency, an unoptimized image, a render-blocking script) and writes a concise root-cause hypothesis with suggested next steps. It posts the report as a GitHub PR comment and a Slack summary.
When to use it
Use it when regressions are common enough that triage is a tax on engineers. The agent does the first pass so the author opens the PR to an explanation, not just a red check.
How it works
- 1A blocked-promote event triggers the workflow with the deployment and metric diff.
- 2The agent fetches the PR diff and recent commits from GitHub for the affected build.
- 3The agent correlates the regressed metric with the changed files and dependencies.
- 4It drafts a root-cause hypothesis and concrete remediation suggestions.
- 5The report is posted as a comment on the GitHub PR.
- 6A condensed summary with a link to the full comment is sent to Slack.
Set it up
What you configure once, before turning it on.
- 1Connect VercelDeploys, runtime logs, analytics.
- 2Connect GitHubRepos, issues, pull requests, actions.
- 3Connect SlackChannels, DMs, threads, mentions.
- 4Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 5Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 6Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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Run this workflow in your colony.
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