AI & RAG

Answer oncall questions in Slack from past incident postmortems

Lets engineers ask the oncall bot a question in Slack and replies with a grounded answer retrieved from indexed postmortems, including citations to the source incidents.

CategoryAI & RAG
Enginesim
Difficultyintermediate
Triggerchat
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerEngineer mentions the bot or runs a slash command in SlackSlack
  • ActionEmbed the question and retrieve top matching postmortem chunks from PostgresPostgreSQLPostgres
  • LogicIf no chunk clears the confidence threshold, reply that no postmortem matches
  • ActionGenerate a grounded, cited answer from the retrieved chunksOpenAI
  • OutputPost the answer as a threaded Slack reply with source linksSlack

What it does

Gives your oncall channel a self-serve answerbot. An engineer asks something like "what do we do when the payments queue backs up?" and the bot retrieves the most relevant past postmortems, synthesizes a step-by-step answer, and posts it back with links to the incidents it drew from.

When to use it

Deploy this in your #oncall or #incidents Slack channel so on-call engineers can get runbook-grade answers in seconds instead of paging a teammate or grepping old docs at 3am.

How it works

  1. 1A Slack mention or slash command triggers the flow with the engineer's question.
  2. 2The question is embedded and used to query the Postgres vector table for the top matching postmortem chunks.
  3. 3A logic step checks retrieval confidence; if no chunk clears the threshold, the bot replies honestly that it has no relevant postmortem.
  4. 4The retrieved chunks plus the question go to the model, which produces a grounded, cited answer.
  5. 5The answer posts back as a threaded Slack reply with source incident links.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect SlackChannels, DMs, threads, mentions.
  2. 2
    Connect PostgresAny Postgres URL — query, write, migrate.
  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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