What is a blameless postmortem?

A blameless postmortem is a practice that focuses on identifying systemic failures and process gaps rather than assigning individual fault, which encourages honest reporting and better prevention.

Can this skill help generate action items?

Yes, a core component of this skill is defining specific, assignable, and measurable improvements to ensure that the analysis leads to actual system hardening.

How does this skill help with Root Cause Analysis (RCA)?

It implements frameworks like the '5 Whys' and fishbone diagrams to help you look beyond surface-level symptoms (like a typo) to the underlying systemic issues.

Is this skill aligned with industry standards?

Yes, it is grounded in Site Reliability Engineering (SRE) guidelines and follows patterns used by major technology companies like Google.

Blameless Postmortem Analysis

Name: Blameless Postmortem Analysis
Author: sethdford

bysethdford

•

Analytics & Monitoring

Generates comprehensive, fact-based postmortem reports to identify root causes and prevent system failure recurrence.

This skill provides a structured framework for conducting incident postmortems using industry-standard Site Reliability Engineering (SRE) principles. It guides users through gathering facts, constructing precise timelines, and performing Root Cause Analysis (RCA) using techniques like the '5 Whys.' By focusing on systemic improvements rather than individual blame, it helps development teams transform technical failures into actionable prevention strategies and measurable architectural improvements.

Key Features

01System state and load context documentation

025 GitHub stars

03Structured incident timeline construction with 5-minute intervals

04Blameless Root Cause Analysis (RCA) framework

05LLM error mitigation for objective reporting

06Actionable improvement and prevention strategy generation

Use Cases

01Analyzing why a critical bug bypassed automated testing pipelines

02Documenting a major production outage to prevent future downtime

03Conducting a retrospective after a security incident to harden infrastructure

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add sethdford/claude-skills postmortem-analysis

For use in Claude.ai and ChatGPT

Key Features

01System state and load context documentation

025 GitHub stars

03Structured incident timeline construction with 5-minute intervals

04Blameless Root Cause Analysis (RCA) framework

05LLM error mitigation for objective reporting

06Actionable improvement and prevention strategy generation

Use Cases

01Analyzing why a critical bug bypassed automated testing pipelines

02Documenting a major production outage to prevent future downtime

03Conducting a retrospective after a security incident to harden infrastructure

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add sethdford/claude-skills postmortem-analysis

For use in Claude.ai and ChatGPT