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After-Action Report

Runs a structured, blameless postmortem or retrospective on an incident, launch, or finished project and produces a report with timeline, root cause, and owned action items.

Docs & OfficeBeginner★ 781⑂ 110AI score 10/10Last updated: Aug 28, 2026

What it does

  • Facilitates a structured after-action review (AAR / postmortem / retrospective) for incidents, major launches, or project closeouts.
  • Produces a report in six sections: Summary, Timeline, Root cause analysis, Contributing factors, What went well, Action items.
  • Digs into causes with five whys or a causal chain, with a fully worked example included.
  • Enforces action-item quality: specific, owned by a named person, dated, sized, and closeable — rendered as a table.
  • Provides the end-to-end workflow: schedule (within 1–2 weeks) → gather inputs → run a 60–90 minute meeting agenda → write → distribute → track to closure.
  • Warns against common failure patterns: naming and shaming, generic actions, theater retros, skipping "small" incidents.
  • If required data is missing, it states the gap instead of inventing numbers.

Who it's for

  • On-call / SRE / engineering teams that owe a postmortem after every incident.
  • Team leads whose sprint or quarterly retros produce talk but no lasting lessons.
  • PMs and product owners who want launch learnings captured as an asset.
  • Managers introducing a blameless retrospective culture.

Examples

  1. "We had a 30-minute outage last night from connection pool exhaustion — write the postmortem." → reconstructed timeline, five whys down to a missing code-review checklist, plus a monitoring alert action item.
  2. "We just shipped v2, let's retro it." → timeline of pre-launch decisions, launch-day events, and post-launch monitoring, with an explicit "what went well" section.
  3. "This payment failure has recurred four times this quarter." → causal-chain analysis across technical, config, monitoring, and process factors with owned, dated fixes.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/rampstackco/claude-skills/HEAD/dist/pi/.agents/skills/after-action-report/SKILL.md

What I want: (describe your task here)

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↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the dist/pi/.agents/skills/after-action-report folder from the GitHub repo rampstackco/claude-skills into my ~/.claude/skills/after-action-report/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/rampstackco/claude-skills.git && mkdir -p ~/.claude/skills && cp -r claude-skills/dist/pi/.agents/skills/after-action-report ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal (Terminal on macOS/Linux, WSL or Git Bash on Windows).
  2. Clone the repository: git clone https://github.com/rampstackco/claude-skills.git
  3. Create the skills folder if needed: mkdir -p ~/.claude/skills
  4. Copy just this skill: cp -r claude-skills/dist/pi/.agents/skills/after-action-report ~/.claude/skills/
  5. Verify with ls ~/.claude/skills/after-action-report — you should see SKILL.md and a references/ folder.
  6. Restart Claude Code, then try: "Run a postmortem on yesterday's incident."
  7. Collect logs, chat transcripts, a rough timeline, and impact numbers beforehand — the report quality depends on those inputs.
View source on GitHub ↗License: MIT