retro

retro is a skill for Claude Code from drn/dots. It costs 31 tokens per session (653 once invoked), scanned A, original, MIT.

A structured review of a project, sprint, or incident that records what happened, what went well, and what should change. It can optionally save lessons in a knowledge base.

In plain words
What is it for?
Use it for project retrospectives, sprint reviews, postmortems, and incident reviews based on recent commits and merged pull requests.
Why use it?
It turns scattered recent work into shared lessons and concrete follow-up tasks. For incidents, it provides a focused post-incident review format.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution.

Good fit Use it for project retrospectives, sprint reviews, postmortems, and incident reviews based on recent commits and merged pull requests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/drn/dots/retro
View source ↗ drn/dots
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 drn/dots --skill retro
Clone the repo
git clone --depth 1 https://github.com/drn/dots

Made for: Claude Code.

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 retro

README.md
[![agentmods](https://agentmods.dev/badge/skills/drn/dots/retro.svg)](https://agentmods.dev/skills/drn/dots/retro)
Your own site
<a href="https://agentmods.dev/skills/drn/dots/retro"><img src="https://agentmods.dev/badge/skills/drn/dots/retro.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 653 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00031 $0.00653
Opus 5 $0.00015 $0.00327
Sonnet 5 $0.00006 $0.00131
Haiku 4.5 $0.00003 $0.00065

Measured 3d ago against content hash 79c5d6b45d96, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

retro scanned grade A with 0 findings 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 3d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

agents/skills/retro/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Retrospective

Structured retrospective for projects, sprints, or incidents. Captures learnings and optionally persists them to the knowledge base.

Arguments

  • $ARGUMENTS - Optional: --incident for post-incident template, or a topic/project name

Context

  • Recent commits: !git log --oneline -20 2>/dev/null | head -20
  • Merged PRs: !gh pr list --state merged --limit 10 2>/dev/null | head -10
  • Knowledge base: !cat context/knowledge/index.md 2>/dev/null | head -30
  • Current branch: !git branch --show-current

Instructions

Step 1: Choose template

IF --incident is in $ARGUMENTS, use the Incident template. OTHERWISE, use the Standard template.

Step 2: Gather context

Review the recent commits and merged PRs from the context above. Summarize the scope of work that this retro covers. If the user provided a topic, focus on that.

Step 3: Present and collaborate

Standard Template
## Retrospective: <topic or date>

### What Went Well
- <positive outcomes, wins, good patterns>

### What Did Not Go Well
- <pain points, friction, mistakes>

### Action Items
- [ ] <concrete next step with owner if applicable>

### Key Learnings
- <insights to carry forward>
Incident Template
## Post-Incident Review: <incident name>

### Timeline
| Time | Event |
|------|-------|
| | <what happened> |

### Impact
- **Users affected:**
- **Duration:**
- **Severity:**

### Root Cause
<what actually caused the issue>

### What Went Well
- <effective response actions>

### What Did Not Go Well
- <gaps in detection, response, or prevention>

### Action Items
- [ ] <concrete remediation with owner and deadline>

### Follow-ups
- [ ] <longer-term improvements>

Present the template pre-filled with whatever you can infer from the git context. Ask the user to fill in, correct, or expand each section. Iterate until the user is satisfied.

Step 4: Knowledge capture (optional)

IF a knowledge base exists (check context above for context/knowledge/index.md):

  • Propose adding key learnings as a new topic or updating an existing topic
  • Only add durable, reusable insights — not session-specific details
  • Follow the format in /knowledge (bold entity names, standalone facts, date-stamp volatile info)

Read the full file on GitHub · 100 lines

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. 3d ago First seen · 100 lines · 31 tokens per session scan A 79c5d6b45d96

Subscribe to this mod's changes

retro is a skill published in the GitHub repository drn/dots (23 stars, last pushed 2d ago), licensed MIT. It adds 31 tokens to every session and 653 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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