incident-retrospective

incident-retrospective is a skill for Claude Code, Codex from OpenHands/extensions. It costs 55 tokens per session (880 once invoked), scanned A, original, MIT.

An automation that gathers incident messages from Slack and related tickets from Linear, then publishes a retrospective draft to Notion. Slack is a team chat tool, Linear tracks work, and Notion stores documents.

In plain words
What is it for?
Setting up manual or scheduled incident reviews with a timeline, impact, root cause, action items, and lessons learned.
Why use it?
It brings information from three separate tools into one draft instead of requiring someone to collect and organize it manually.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Setting up manual or scheduled incident reviews with a timeline, impact, root cause, action items, and lessons learned.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/openhands/extensions/incident-retrospective
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add OpenHands/extensions --skill incident-retrospective
Clone the repo
git clone --depth 1 https://github.com/OpenHands/extensions

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for incident-retrospective

README.md
[![agentmods](https://agentmods.dev/badge/skills/openhands/extensions/incident-retrospective/github.svg)](https://agentmods.dev/skills/openhands/extensions/incident-retrospective)
Your own site
<a href="https://agentmods.dev/skills/openhands/extensions/incident-retrospective"><img src="https://agentmods.dev/badge/skills/openhands/extensions/incident-retrospective/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for incident-retrospective

Your own site · 80×15
<a href="https://agentmods.dev/skills/openhands/extensions/incident-retrospective"><img src="https://agentmods.dev/badge/skills/openhands/extensions/incident-retrospective.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 880 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Data Exfiltration · line 78
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00055 $0.00880
Opus 5.5 $0.00022 $0.00352
Sonnet 5.5 $0.00011 $0.00176
Haiku 4.5 $0.00006 $0.00088

Measured 14d ago against content hash aaf8c7ca5160, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

incident-retrospective scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 14d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST "${OPENHANDS_HOST}/api/automation/v1/preset/prompt" \
skills/incident-retrospective/SKILL.md · 101 lines

How it starts

The opening of the file, as written. The whole thing — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Incident Retrospective Drafter Automation

Set up an automation that drafts incident retrospectives by pulling data from Slack, Linear, and Notion.


Prerequisites

Required integrations

All three MCP integrations must be installed in Settings → MCP:

  • Slack MCP — to gather incident-channel messages
  • Linear MCP — to collect linked tickets and follow-ups
  • Notion MCP — to publish the retrospective draft

Information to collect

Ask the user for:

  1. Incident identification — how are incidents identified? (e.g. Slack channel naming convention like #inc-*, a Linear label, or manual trigger)
  2. Slack channels — which channels contain incident chatter (e.g. #incidents, #inc-* pattern)
  3. Linear teams — which Linear teams/projects to inspect for follow-up tickets
  4. Retrospective template — what sections should the retro include? Default: Timeline, Impact, Root Cause, Action Items, Lessons Learned
  5. Notion destination — which Notion database or page should receive the draft
  6. Trigger type — manual dispatch, cron schedule, or triggered by an incident label being added

Setup Workflow

Step 1 — Verify MCP access

Test each integration:

Use the Slack MCP to list recent messages in an incident channel.
Use the Linear MCP to list recent issues for the target team.
Use the Notion MCP to search for the destination database.

If any fail, tell the user which integration needs to be installed first.

Step 2 — Determine trigger type

Ask the user how retros should be triggered:

  • Manual — dispatch from the automations page when an incident wraps up
  • Cron — run daily/weekly to check for recent incidents
  • Event — triggered by a Linear label change or Slack message

Step 3 — Build the retro prompt

Construct a prompt that includes:

  • How to identify the incident (channel pattern, label, etc.)
  • Which Slack channels and Linear teams to query
  • The retrospective template/sections
  • Where to publish in Notion

Read the full file on GitHub · 101 lines

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 14d ago Changed aaf8c7ca5160
  2. 1mo ago First seen · 101 lines · 55 tokens per session scan A bf99ca3938e3

Subscribe to this mod's changes

incident-retrospective is a skill published in the GitHub repository OpenHands/extensions (167 stars, last pushed today), licensed MIT. It adds 55 tokens to every session and 880 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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