postmortem-writing

Write effective blameless postmortems with root cause analysis, timelines, and action items. Use when conducting incident reviews, writing postmortem documents, or improving incident response processes.

1.26x

Quality

71%

Does it follow best practices?

Impact

92%

1.26x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./tests/ext_conformance/artifacts/agents-wshobson/incident-response/skills/postmortem-writing/SKILL.md

Evaluation results

100%

39%

Production Incident Review: ML Serving Outage

Standard postmortem document structure

Criteria

Without context

With context

Blameless framing

100%

Timeline UTC table

100%

Timeline specificity

100%

RCA proximate cause

60%

100%

RCA contributing factors

100%

5 Whys analysis

100%

Detection structure

100%

Response structure

40%

100%

Impact three-part

25%

100%

Lessons learned three-part

100%

Action items table format

60%

100%

All action items have owners

100%

Visual evidence references

100%

Executive Summary present

100%

31%

Postmortem Meeting Preparation

Postmortem meeting facilitation

Criteria

Without context

With context

60-minute total duration

100%

Five meeting segments

100%

Opening time allocation

100%

Timeline Review time allocation

100%

Analysis Discussion time allocation

100%

Action Items time allocation

100%

Closing time allocation

100%

Blameless reminder in opening

100%

Blame redirection tactic

100%

Tangent management

100%

Quiet participant engagement

100%

Dissenting views

100%

78%

-11%

Incident Documentation: CDN Configuration Hiccup

Quick postmortem and action item quality

Criteria

Without context

With context

Simplified format used

100%

What Happened section

100%

75%

Timeline section present

100%

Root Cause section present

100%

Fix section present

50%

Lessons section present

37%

100%

Blameless framing

83%

66%

Specific timestamps

100%

Action items not busywork

100%

Action items have owners

100%

Severity and duration in header

100%

Repository: Dicklesworthstone/pi_agent_rust
Commit: 47823e3

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Production Incident Review: ML Serving Outage Postmortem Meeting Preparation Incident Documentation: CDN Configuration Hiccup

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