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codex-backup

codex-backup is a skill for Claude Code, Codex from CHENyiru3/AI-Skills-Collections. It costs 54 tokens per session (275 once invoked), scanned A, original, MIT.

A cross-platform tool for previewing and syncing local Codex chat transcripts to a private GitHub archive as Markdown files. It supports macOS, Linux, Windows, and WSL.

In plain words
What is it for?
Use it to preview transcript scope, back up conversations, sync archives, and verify the resulting commit. Cloud-only conversations and other account data require a separate export.
Why use it?
It keeps chat history available across machines and preserves fuller copies when one machine has incomplete data. It also makes the backup changes reviewable through Git commits.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present. Also seen: mentions Codex.

Part of the agents plugin — 8 skills shipped together

not rated 2repo 3d ago A scan 54 tokens original MIT

Good fit Use it to preview transcript scope, back up conversations, sync archives, and verify the resulting commit. Cloud-only conversations and other account data require a separate export.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chenyiru3/ai-skills-collections/codex-backup
View source ↗ CHENyiru3/AI-Skills-Collections
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 CHENyiru3/AI-Skills-Collections --skill codex-backup
Clone the repo
git clone --depth 1 https://github.com/CHENyiru3/AI-Skills-Collections

Made for: Claude Code, Codex.

Or install agents, the plugin that ships this one along with the rest of its 8 skills.

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 codex-backup

README.md
[![agentmods](https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codex-backup/github.svg)](https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codex-backup)
Your own site
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codex-backup"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codex-backup/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 codex-backup

Your own site · 80×15
<a href="https://agentmods.dev/skills/chenyiru3/ai-skills-collections/codex-backup"><img src="https://agentmods.dev/badge/skills/chenyiru3/ai-skills-collections/codex-backup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 275 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 $0.00054 $0.00275
Opus 5.5 $0.00022 $0.00110
Sonnet 5.5 $0.00011 $0.00055
Haiku 4.5 $0.00005 $0.00028

Measured yesterday against content hash 9de919f41b44, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

codex-backup 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 yesterday.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/codex_chat_archive.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills-market/agents/workflows/codex-backup/SKILL.md · 20 lines

What it actually says

Codex backup

Read the setup template for the history locations, profile, and commands for the source machine. Use the bundled exporter to preview local sessions and verify their scope before syncing to the authorized private repository.

  • Keep one Markdown file per thread under sessions/YYYY/MM/. Match by thread ID so a rename or a new message keeps the same path.
  • Publish backup commits with a direct push to the authorized private repository’s default branch, without a pull request.
  • Verify the pushed commit. Its subject identifies the source platform, its body summarizes message counts, and its diff contains the changes.
  • Preserve the fuller archive when a machine has an incomplete copy of a thread. Report local history that the current reader cannot access.

For authorized updates to these backup skills in AI-Skills-Collections, commit and push directly to the collection’s default branch.

The exporter covers local conversation text and progress updates. Use a separate account export for cloud-only conversations and other artifacts.

Files

What ships with it

3 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. yesterday First seen · 20 lines · 54 tokens per session scan A 9de919f41b44

Subscribe to this mod's changes

codex-backup is a skill published in the GitHub repository CHENyiru3/AI-Skills-Collections (2 stars, last pushed 3d ago), licensed MIT. It adds 54 tokens to every session and 275 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-11-13.

CommitsGit and workflowMemory and context
Related

codex-backup compared with skills from other repositories

codex-backup next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
codex-backupCHENyiru3/AI-Skills-CollectionsSkill23d agoMITA54Claude Code, Codex
recall-sessiontobihagemann/turboSkill4202d agoMITA45Claude Code
memorix-git-memoryAVIDS2/memorixSkill9343d agoApache-2.0A31Claude Code
change-boottikalk/adlc-team-skillsSkill1452d agoMITA113Claude Code, Codex
session-wrapuploopdive/js2Skill67todayApache-2.0A54Claude Code
catchupAvijit07x/claude-dbSkill2358d agoApache-2.0B71Claude Code, Codex
updatememtomem/memtomemSkill24todayApache-2.0A29Claude Code