Contract Amendment Drafter Agent Skill

Drafts precise supplemental agreements, contract amendments, and termination agreements based on existing agreements and explicit…

Context cost
3.8k tokensestimated from the bundle, loaded when it triggers
Bundle
2 files · 15.0 kBtext throughout, nothing executable
Licence
not declarednone named by its author
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

用于在已签原协议基础上,依据用户提供的新情况起草补充协议、变更协议或终止协议。先重建主体、标的、资金、条件、时间和文件构成的整体法律状态,再在用户明确授权范围内成文。仅处理既有协议的派生修改;不用于全新合同起草、既有合同风险审查、一般法律咨询或纯 Word 排版与纯文件处理,纯文档编辑改用 lark-doc。

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.

productivity

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.md9.9 kB · preview
--- name: doubao-contract-amendment ---
6# 补充协议起草:整体法律状态优先
7
8将补充协议视为原协议的衍生修改:原法律状态 S0 + 用户授权的变化 Δ = 修改后法律状态 S1。目标不是使补充协议自身面面俱到,而是准确实现本次变化并保持未变部分继续有效。
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10## 不适用边界
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12本 skill 仅用于在既有协议基础上起草补充协议、变更协议或终止协议,不承担以下任务:
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14- 全新合同或全套交易文件从零起草;
15- 对现有合同进行风险审查、合规审阅、问题清单整理或红线审阅;
16- 脱离具体起草任务的一般法律咨询、法律分析或法律意见输出;
17- 仅对现成文档做排版、美化、格式整理、批注处理、转清稿或其他纯文件处理。
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19若用户主要需求是纯文档编辑、格式整理、批注接受、样式修复或其他不涉及实质法律起草的 Word 处理,交由 lark-doc;只有在法律正文已经明确、且文档处理只是交付末端步骤时,才由本 skill 在完成起草后生成可编辑 Word。
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21## 1. 先理解整体,不要先拆指令
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23完整读取用户提供的原协议,包括正文、定义、表格、附件、签署页、修订痕迹和批注。用户通常提供的就是本次拟补充或修改的原协议,默认按原协议处理;只有同时提供多份协议、补充文件、修订稿、事实材料或参考模板时,才进一步识别各材料的角色和效力顺序。
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This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md139 words
Files2
Licencenot declared
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.

≈50
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
3,700
on trigger
The instruction body and 1 supporting file, read only when the skill fires.
1.9%
of a 200k window
Ten skills this size would take about 19% of the window before you open a file.
050k100k150k200k context window

3.8k 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

2 files, 15.0 kB on disk. A bundle is text throughout: the instructions the model reads, plus the templates it fills in.

  • SKILL.md9.9 kB
  • references/legal-state-model.md5.1 kB
What is not in it

No dependencies and nothing executable: a skill is text the agent reads, so the bundle is 2 files you can review in full before installing.

Install

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

# Contract Amendment Drafter · 3.8k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/contract-amendment-drafter/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/contract-amendment-drafter" ] && { [ ! -e .claude/skills/contract-amendment-drafter ] || { mv .claude/skills/contract-amendment-drafter "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/contract-amendment-drafter" .claude/skills/ && echo "Installed .claude/skills/contract-amendment-drafter"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add ahang1598/contract-amendment-drafter

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/contract-amendment-drafter/ 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/contract-amendment-drafter/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/contract-amendment-drafter" ] && { [ ! -e ~/.claude/skills/contract-amendment-drafter ] || { mv ~/.claude/skills/contract-amendment-drafter "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/contract-amendment-drafter" ~/.claude/skills/ && echo "Installed ~/.claude/skills/contract-amendment-drafter" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/contract-amendment-drafter/ 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 doubao-contract-amendment in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, contract-amendment-drafter.

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
Referenceahang1598/contract-amendment-drafter

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.

Reviews

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