Construction Variation Evidence Reviewer Agent Skill

Audits engineering variation and site instruction evidence chains to identify documentation gaps, contractual risks, and verification…

Context cost
2.5k tokensestimated from the bundle, loaded when it triggers
Bundle
3 files · 9.9 kBtext throughout, nothing executable
Licence
Apache-2.0the author’s own terms
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

工程变更签证证据链审查工作流。用于整理联系单、会议纪要、图纸变更、现场记录和合同条款,检查变更签证资料链完整性和人工复核风险。

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

documentationproductivity

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md5.6 kB · preview
--- name: aios-commercial-variation ---
6# AIOS Variation
7
8## 目标
9
10以 Argus(风险审查官)的方式审查工程变更和签证资料链,识别事实依据、合同/流程依据、资料断点、争议风险和人工复核岗位。
11
12本 Skill 不输出签证成立、索赔成立、责任归属、最终金额或结算结论;它只提供证据链完整性检查和风险分流。
13
14## AIOS 适用性
15
16本 Skill 仅用于建筑工程现场变更、签证、索赔线索、联系单、图纸变更、会议决议和现场条件变化资料。
17
18- 设计变更、现场签证、工程联系单、会议纪要、停工窝工、材料替代、施工条件变化和工程量变化,启用 AIOS 行业增强。
19- 普通办公流程、非工程合同变更或通用问题追踪,不使用本 Skill。
20- 只需要通用摘要时,优先使用宿主工具的通用能力。
21
22## 输入
23
24优先收集:
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md199 words
Files3
LicenceApache-2.0
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈30
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
2,445
on trigger
The instruction body and 2 supporting files, read only when the skill fires.
1.2%
of a 200k window
Ten skills this size would take about 12% of the window before you open a file.
050k100k150k200k context window

2.5k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Middling. Fine to keep on in a project where you use it weekly, worth unloading in one where you never do.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

Its SKILL.md does not declare which tools it asks the agent for, so what it touches is whatever the instructions themselves ask for — read them before you install it.

What it asks for
Writes filesnot declared
Network accessnot declared

This SKILL.md carries no allowed-tools line, so neither is declared. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

3 files, 9.9 kB on disk. A bundle is text throughout: the instructions the model reads, plus the templates it fills in.

  • SKILL.md5.6 kB
  • agents/openai.yaml0.5 kB
  • prompts/basic-prompt.md3.8 kB
What is not in it

No dependencies and nothing executable: a skill is text the agent reads, so the bundle is 3 files you can review in full before installing. The Apache-2.0 licence covers the templates and examples as well as the instructions.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Construction Variation Evidence Reviewer · 2.5k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/construction-variation-evidence-reviewer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/construction-variation-evidence-reviewer" ] && { [ ! -e .claude/skills/construction-variation-evidence-reviewer ] || { mv .claude/skills/construction-variation-evidence-reviewer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/construction-variation-evidence-reviewer" .claude/skills/ && echo "Installed .claude/skills/construction-variation-evidence-reviewer"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add archsightlabs/construction-variation-evidence-reviewer

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/construction-variation-evidence-reviewer/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/construction-variation-evidence-reviewer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/construction-variation-evidence-reviewer" ] && { [ ! -e ~/.claude/skills/construction-variation-evidence-reviewer ] || { mv ~/.claude/skills/construction-variation-evidence-reviewer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/construction-variation-evidence-reviewer" ~/.claude/skills/ && echo "Installed ~/.claude/skills/construction-variation-evidence-reviewer" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/construction-variation-evidence-reviewer/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where. It appears as aios-commercial-variation in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, construction-variation-evidence-reviewer.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Versionnot versioned
Publishedno release date on file
PriceFree
Referencearchsightlabs/construction-variation-evidence-reviewer

Versions

Its author publishes no version number, so there is nothing here to pin to: what you install is the folder as it stands today. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

Pinning

Nothing to pin to: this skill carries no version number of its own. What you install is what the folder holds on the day you install it.

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