retro

retro is a skill for Claude Code, Codex from easyinplay/harnessed. It costs 191 tokens per session (1,553 once invoked), scanned A, original, Apache-2.0.

A retrospective workflow for reviewing a finished project or milestone. It records lessons, decisions, and follow-up points in `RETROSPECTIVE.md`.

In plain words
What is it for?
Reviewing what happened after verification, documenting lessons and decisions, and saving the review for later reference.
Why use it?
It turns the experience of completing work into notes that can guide future sessions. This keeps lessons from being lost after a milestone ends.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/easyinplay/harnessed/retro
Any agent
npx skills add easyinplay/harnessed --skill retro
Clone the repo
git clone --depth 1 https://github.com/easyinplay/harnessed

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 retro

README.md
[![agentmods](https://agentmods.dev/badge/skills/easyinplay/harnessed/retro.svg)](https://agentmods.dev/skills/easyinplay/harnessed/retro)
Your own site
<a href="https://agentmods.dev/skills/easyinplay/harnessed/retro"><img src="https://agentmods.dev/badge/skills/easyinplay/harnessed/retro.svg" alt="Measured on agentmods" height="20"></a>
Per session 191 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,553 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00191 $0.01553
Opus 5 $0.00096 $0.00776
Sonnet 5 $0.00038 $0.00311
Haiku 4.5 $0.00019 $0.00155

Measured 5d ago against content hash 5e4b86722a52, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 5d 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.

workflows/retro/SKILL.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

retro workflow (v3 NEW standalone)

Overview

2-phase standalone workflow mapping CLAUDE.md "项目 / 里程碑结束: 可选跑 /retro 总结" onto harnessed runtime (Phase v3.0-3.4 W1.2 — D-04 NEW v3 standalone workflow + Pattern A E.2 retro-gstack alias suffix LOCK)。

phase id upstream model capability / invokes artifacts
1 01-retro gstack opus {{ capabilities.retro-gstack.cmd }} gstack /retro 经验教训系统总结
2 02-persist planning-with-files haiku {{ capabilities.planning-with-files.cmd }} + invokes: /plan artifacts_expected: [RETROSPECTIVE.md]

Per-phase config loads from workflows/retro/workflow.yaml; engine spawns phase 01 gstack /retro (alias resolve to retro-gstack carrier per capabilities.yaml entry), phase 02 planning-with-files /plan invoke 持久化 RETROSPECTIVE.md sink。

Capability refs (Pattern A E.2 LOCK)

Sister workflows/capabilities.yaml entries:

  • retro-gstack — Bucket 7 gstack optional alias suffix per Pattern A E.2 LOCK (impl: gstack, cmd: /retro, aliases to harnessed-bundled /retro, fires_when: is_milestone_close) — 解决 namespace 冲突 (NOT bare retro capability 因 standalone workflow 已占 retro 名)
  • planning-with-files — Bucket 4 核心 capability (impl: claude-code-plugin, cmd: /plan)

Routing rules (sister CLAUDE.md "项目 / 里程碑结束")

  • 触发: 项目结束 / 里程碑结束 / 用户明示 "复盘 / retro / lessons learned"
  • 跳过: 日常 PR / 单 phase 完成 (常规 verify-progress 已够用)

How to invoke

!harnessed checkpoint intent retro

The banner above (when present) means this invocation is REGISTERED with the engine (an intent marker) — not yet compliant: the steps below (prompt → spawn → checkpoint complete) resolve it, and a per-turn <workflow-intent> reminder persists until they run.

The numbered sequence below is the state machine — execute it with Bash. Do NOT improvise an equivalent flow from the Overview above: freelancing bypasses the engine (no ledger, no evidence guard). harnessed gives you the spawn-ready prompt; YOU spawn the subagent with a CC-native Task / Agent tool (keeps the session responsive + lets clarification round-trips reach the user).

Read the full file on GitHub · 83 lines

Files

What ships with it

2 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. 5d ago First seen · 83 lines · 191 tokens per session scan A 5e4b86722a52

Subscribe to this mod's changes

retro is a skill published in the GitHub repository easyinplay/harnessed (2 stars, last pushed 9d ago), licensed Apache-2.0. It adds 191 tokens to every session and 1,553 once invoked, about $0.0010 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 2026-08-31.

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