skill-updater

skill-updater is a skill for Claude Code, Codex from eric861129/SKILLS_All-in-one. It costs 51 tokens per session (1,204 once invoked), scanned A, original, MIT.

A procedure for checking local skills against newer versions stored in GitHub, a site for hosting and collaborating on code.

In plain words
What is it for?
Comparing local and remote skill files, downloading updates, backing up old versions, replacing approved files, and updating metadata.
Why use it?
It provides a controlled way to find changes, review updated files for security, and synchronize approved versions.

Skill for Claude CodeCodex

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

Good fit Comparing local and remote skill files, downloading updates, backing up old versions, replacing approved files, and updating metadata.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/eric861129/skills_all-in-one/skill-updater
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 eric861129/SKILLS_All-in-one --skill skill-updater
Clone the repo
git clone --depth 1 https://github.com/eric861129/SKILLS_All-in-one

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 skill-updater

README.md
[![agentmods](https://agentmods.dev/badge/skills/eric861129/skills_all-in-one/skill-updater/github.svg)](https://agentmods.dev/skills/eric861129/skills_all-in-one/skill-updater)
Your own site
<a href="https://agentmods.dev/skills/eric861129/skills_all-in-one/skill-updater"><img src="https://agentmods.dev/badge/skills/eric861129/skills_all-in-one/skill-updater/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 skill-updater

Your own site · 80×15
<a href="https://agentmods.dev/skills/eric861129/skills_all-in-one/skill-updater"><img src="https://agentmods.dev/badge/skills/eric861129/skills_all-in-one/skill-updater.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,204 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 $0.00051 $0.01204
Opus 5 $0.00026 $0.00602
Sonnet 5 $0.00010 $0.00241
Haiku 4.5 $0.00005 $0.00120

Measured 11d ago against content hash b7b2828fd866, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

skill-updater 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 11d 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.

.agent/skills/skill-updater/SKILL.md · 60 lines

What it actually says

Skill Updater (技能版本更新機制)

此技能定義了 AI Agent 如何自主檢查並同步 SKILLS_All-in-one 平台中位於 public/SKILLS/ 內的公共技能,確保其安全性與遠端來源保持一致。

🚀 核心工作流 (Agent-Driven Update Pipeline)

當接收到「檢核更新」任務時,AI Agent 必須 執行以下動作:

Step 1: 遠端探索與內容比對 (Discovery & Diff)

  1. 讀取元數據:從 @src/data/skills.ts 取得技能的 githubUrl
  2. 定位本地路徑:僅針對路徑位於 @public/SKILLS/ 下的技能執行檢查。
  3. 獲取遠端內容:使用 web_fetch 讀取遠端路徑下的 SKILL.md (原始碼)。
    • 提示:確保將 GitHub Tree URL 轉換為 raw.githubusercontent.com 下載路徑。
  4. 執行比對:將遠端 SKILL.md 的內容與本地 public/SKILLS/ 目錄下的 SKILL.md 進行內容比對。
  5. 判定異動:若內容不一致或遠端 YAML 中的 version 較新,則標記為「待更新」。

Step 2: 抓取新版 (Import Phase)

  • 調用邏輯:參考 github-skill-importer
  • 目標:將遠端技能目錄下的所有檔案(含輔助腳本與資源)下載至臨時暫存區 @public/SKILLS/Uncategorized/tmp-update-{FolderName}/

Step 3: 安全審查 (Audit Phase)

  • 調用技能skill-security-auditor
  • 目標:對暫存區的新檔案執行代碼掃描,產出《更新安全審查報告》。
  • 規則:結果必須為 PASS 方可繼續。

Step 4: 原子化更新與遷移 (Update & SQL)

  1. 備份與校驗
    • 校驗:執行覆蓋前,必須 使用 read_file 讀取暫存區檔案,確保內容非空且未損壞。
    • 備份:考慮將舊版檔案暫存至 tmp-bak/,以利更新失敗時還原。
  2. 覆蓋本地檔案:將通過審核的暫存區檔案移動至 @public/SKILLS/{Category}/ 下的正式路徑,覆蓋舊版。
  3. 元數據同步:更新 src/data/skills.ts 中該技能的 updatedAtversion
  4. 資料庫遷移:調用 sql-migration-managerUPDATE 語句記錄於 database/incremental_updates.sql 頂部。

Step 5: 系統同步 (Manifest Sync)

  • 執行指令npm run prebuild
  • 回報:向使用者呈報更新結果與版本變更摘要。

🚦 狀態管控規則 (Guardrails)

  1. 僅限公共技能:本更新機制 僅適用於 public/SKILLS/ 目錄下的技能。嚴禁將此流程應用於 .agent/skills/ 內的內部管理技能。
  2. 自主性要求:AI Agent 應直接使用自身工具執行比對,嚴禁依賴外部腳本。
  3. 禁止靜默更新:偵測到差異後,應先列出清單向使用者確認。
  4. 防空檔案覆蓋 (Null-Overwrite Prevention):嚴禁使用空檔案或未完整下載的檔案覆蓋正式環境。覆蓋前 必須 通過內容校驗。
  5. 檔案完整性:更新時必須確保該技能目錄下的所有關聯檔案同步更新。

📝 任務紀錄範本

  • Check: 偵測到內容差異。
  • Import: 已將新版檔案下載至暫存區。
  • Audit: 已執行安全掃描 (結果: PASS)。
  • Validation: 檔案內容校驗通過 (非空)。
  • Update: 檔案已覆蓋,元數據與 incremental_updates.sql 已同步。
  • Sync: Manifest 已重新生成。
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. 11d ago First seen · 60 lines · 51 tokens per session scan A b7b2828fd866

Subscribe to this mod's changes

skill-updater is a skill published in the GitHub repository eric861129/SKILLS_All-in-one (52 stars, last pushed 4mo ago), licensed MIT. It adds 51 tokens to every session and 1,204 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 2026-08-30.

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