neurofoo/agent-skills/postmortem
Claude Code and agent skill by neurofoo/agent-skills
- community
Checking that the SKILL.md file is still in the repository.
Blameless post-mortem incident analysis with timeline, root cause, and action items. Use after outages, security incidents, project failures, or any event you want to prevent recurring.
Install
npx vskill@latest install neurofoo/agent-skills/postmortemSKILL.md
Blameless Post-Mortem
Conduct a thorough, blameless analysis of an incident to understand what happened and prevent recurrence.
Instructions
Work through each section systematically. Focus on systems and processes, not individuals. The goal is learning, not blame.
Output Format
Executive Summary
Incident: [One-line description] Date/Time: [When it occurred] Duration: [How long] Severity: [Critical/High/Medium/Low]
Summary [2-3 sentence overview: what happened, impact, resolution]
Timeline
All times in [timezone].
| Time | Event | Actor | |
|---|---|---|---|
| HH:MM | [What happened] | [Who/what did it] | |
| HH:MM | [Detection] | [How it was noticed] | |
| HH:MM | [Response action] | [Who responded] | |
| HH:MM | [Resolution] | [What fixed it] |
Key Moments
- Trigger: [What initiated the incident]
- Detection: [How/when we knew something was wrong]
- Mitigation: [When bleeding was stopped]
- Resolution: [When fully resolved]
Impact
Customer Impact
- Users affected: [number]
- Duration of impact: [time]
- Symptoms experienced: [what users saw]
Business Impact
- Revenue impact: [if applicable]
- SLA/SLO breach: [yes/no, details]
Root Cause Analysis
Root Cause [The fundamental reason this happened—not the trigger, but why the trigger caused an incident]
Trigger [The immediate cause—what set things in motion]
Contributing Factors
| Factor | How It Contributed | |
|---|---|---|
| [factor] | [explanation] |
Why Wasn't This Caught?
- Why didn't tests catch it?
- Why didn't monitoring alert earlier?
What Went Well
| What Worked | Why It Helped | |
|---|---|---|
| [thing] | [explanation] |
What Went Poorly
| What Failed | Impact | |
|---|---|---|
| [thing] | [impact] |
Action Items
Immediate (This week)
| Action | Owner | Due | |
|---|---|---|---|
| [action] | [owner] | [date] |
Short-term (This month)
| Action | Owner | Due | |
|---|---|---|---|
| [action] | [owner] | [date] |
Lessons Learned
- [lesson]
- [lesson]
- [lesson]
Guidelines
- Blameless: "The deploy script didn't validate" not "Alice deployed without checking"
- Thorough timeline: Include everything, even embarrassing delays
- Specific actions: "Add memory alerting" not "Improve monitoring"
- Assigned owners: Unowned actions don't happen
$ARGUMENTS
Security
- Security scanPassed, 100 of 100Pattern checks on the skill's files.
- Model reviewPassed
Quality evaluation
- Task evaluationNot runNo evaluation yet. Run one in Skill Studio.
Source
- SKILL.md in the repositoryCheckingpostmortem/SKILL.md
Popularity
- Repository stars
- 63
- Repository forks
- 7
- 7-day trend score
- 21
Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 25 Apr 2026, 6 months ago.
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