cognitive-version-snapshot

cognitive-version-snapshot is a skill for Claude Code, Codex from TashanGKD/tashan-cursor-skills. It costs 63 tokens per session (1,043 once invoked), scanned A, original, MIT.

A controlled process for saving a major new version of a system document as a dated snapshot.

In plain words
What is it for?
Use it to create versioned backups, record why a major change happened, and maintain a history of important document revisions.
Why use it?
It preserves a clear milestone when the document's core argument, structure, or purpose changes substantially.

Skill for Claude CodeCodex

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

Good fit Use it to create versioned backups, record why a major change happened, and maintain a history of important document revisions.

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Install with agentmods
npx agentmods add skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot
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 TashanGKD/tashan-cursor-skills --skill cognitive-version-snapshot
Clone the repo
git clone --depth 1 https://github.com/TashanGKD/tashan-cursor-skills

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 cognitive-version-snapshot

README.md
[![agentmods](https://agentmods.dev/badge/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot/github.svg)](https://agentmods.dev/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot)
Your own site
<a href="https://agentmods.dev/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot"><img src="https://agentmods.dev/badge/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot/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 cognitive-version-snapshot

Your own site · 80×15
<a href="https://agentmods.dev/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot"><img src="https://agentmods.dev/badge/skills/tashangkd/tashan-cursor-skills/cognitive-version-snapshot.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,043 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 $0.00063 $0.01043
Opus 5 $0.00032 $0.00522
Sonnet 5 $0.00013 $0.00209
Haiku 4.5 $0.00006 $0.00104

Measured 7d ago against content hash 2e96b66cfbbd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

cognitive-version-snapshot 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 7d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/cognitive-version-snapshot/SKILL.md · 90 lines

What it actually says

版本快照 Skill(Cognitive Version Snapshot)

当L1文档发生重大变更时,创建新的 x.0 版本快照,作为后续变更的新基准。 基于 维护协议_自洽规范.md 第0.2条:版本快照+变更日志体系。


何时使用本 Skill(vs 普通修改)

修改类型 处理方式
补充一个段落/修改措辞 直接修改 + 在变更记录追加一条
增加一个新章节 直接修改 + 在变更记录追加一条
核心论点发生变化 触发本 Skill,创建 v2.0 快照
文档结构大幅重组 触发本 Skill,创建 v2.0 快照
从根本上更新了主题定位 触发本 Skill,创建 v2.0 快照

激活后执行

Step 1  确认目标文档和版本号
        → 读取 历史版本/ 目录,找到最新的 vN.0 快照
        → 新版本号 = v(N+1).0

Step 2  对比当前版本与最近 vN.0 快照的差异
        → 确认差异确实构成「重大变更」(满足上表中的标准)
        → 如果只是增量修改,提示用户直接修改+变更记录即可

Step 3  创建新的 x.0 快照
        → Copy: [文档名].md → 历史版本/[文档名]_v(N+1).0_YYYYMMDD.md
        → 告知用户:「✅ 已创建 v(N+1).0 快照」

Step 4  在变更记录文件中追加里程碑条目
        → Write to [文档名]_变更记录.md(追加):
        
        ## v(N+1).0 里程碑(YYYY-MM-DD)
        
        **变更性质**:[核心论点变化/结构重组/定位更新]
        **主要变更**:[一段话描述与 vN.0 的核心差异]
        **快照路径**:历史版本/[文档名]_v(N+1).0_YYYYMMDD.md
        **触发原因**:[什么事件/对话触发了这次重大变更]

Step 5  追加系统日志
        [LOG-YYYYMMDD-NN] cognitive-version-snapshot | [文档名] 创建v(N+1).0快照 | [变更性质]

版本历史格式示例

在变更记录文件中,版本历史应该像这样:

## v1.0 基准(2026-03-19)
[2026-03-19] [create] 全文 | 初次迁入认知结构 | 系统性整理
快照:历史版本/[文档名]_v1.0_20260319.md

---

[2026-03-20] [supplement] 第三章 | 补充OPC社区相关论述 | 对话触发
[2026-03-21] [revise] 第一章第二节 | 修订马斯洛层次的表述 | 矛盾消解

---

## v2.0 里程碑(2026-03-25)
**变更性质**:核心论点变化
**主要变更**:从「三类问题框架」扩展为「五类问题框架」,认知科学基础单独成维度
**快照路径**:历史版本/[文档名]_v2.0_20260325.md
**触发原因**:与郑总深入讨论认知科学后,原有框架无法容纳新的洞见

---

[2026-03-26] [supplement] 第五章 | 新增认知科学基础维度详细论述 | v2.0后补充

注意事项

  • 不要创建过多版本快照:不是每次修改都要打 x.0,只有真正的「里程碑」才打
  • 版本快照是不可变的:创建后不要修改快照文件,它是历史记录
  • 变更记录是追加的:只允许追加,不允许修改历史条目
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. 7d ago First seen · 90 lines · 63 tokens per session scan A 2e96b66cfbbd

Subscribe to this mod's changes

cognitive-version-snapshot is a skill published in the GitHub repository TashanGKD/tashan-cursor-skills (20 stars, last pushed 5mo ago), licensed MIT. It adds 63 tokens to every session and 1,043 once invoked, about $0.0003 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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