Post Optimizer Agent Skill

Transforms dry technical updates and product features into engaging, story-driven social media posts for platforms like X/Twitter and…

Context cost
3.5k tokensestimated from the bundle, loaded when it triggers
Bundle
1 file · 14.2 kBtext throughout, nothing executable
Licence
MITthe author’s own terms
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

将平实、准确的内容改写成有网感、能引发互动的社交媒体文案。适用于 Twitter/X、小红书、即刻等平台的短文案优化。当用户希望优化推文、笔记、短帖子,或者想让功能描述/产品更新变得更抓人眼球时,使用此 skill。也适用于用户给出一个主题、一段草稿、或一组功能点,希望生成一条有活人感的推文。不适用于长文章、博客、正式文档。

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.

social media
Filed under

Sales & CRM

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.md14.2 kB · preview
--- name: post-optimizer ---
6# Post Optimizer — 讲故事,不写 changelog
7
8## 一句话定义
9
10把「正确但无聊」的内容,变成一个让人想读完的**故事**。
11
12## 核心理念:活人感 = 讲故事
13
14人不爱看功能列表,但爱听故事。
15
16每一个产品更新、每一个技术决策、每一条生活感悟背后,都有一个故事——某个问题困扰了你,某个灵感突然出现,某次纠结之后做了一个取舍。**把这个故事讲出来,活人感就自然来了。**
17
18对比一下:
19
20| ❌ 功能罗列(死的) | ✅ 讲故事(活的) |
21|---|---|
22| 新增版本更新徽标功能,用户可在主窗口右上角查看更新日志 | 以前检测到更新就直接弹窗,总觉得像在打断用户。后来改成右上角放个小徽标——你看到了点一下,没注意到也不烦你。侵入感小了很多。 |
23| 优化了图片压缩算法,速度提升 30% | 压缩一张 4K 图之前要等 3 秒,我自己用着都烦。花了一周重写了核心算法,现在不到 1 秒。 |
24| 支持暗色模式 | 凌晨两点改 bug 的时候被自己的白色界面闪瞎了眼,第二天就开始写暗色模式。 |
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md623 words
Files1
LicenceMIT
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.
3,500
on trigger
The instruction body, read only when the skill fires.
1.8%
of a 200k window
Ten skills this size would take about 18% of the window before you open a file.
050k100k150k200k context window

3.5k 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

1 file, 14.2 kB on disk. A bundle is text throughout: the instructions the model reads, plus the templates it fills in.

  • SKILL.md14.2 kB
What is not in it

No dependencies and nothing executable: a skill is text the agent reads, so the bundle is 1 file you can review in full before installing. The MIT 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.

# Post Optimizer · 3.5k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/post-optimizer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/post-optimizer" ] && { [ ! -e .claude/skills/post-optimizer ] || { mv .claude/skills/post-optimizer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/post-optimizer" .claude/skills/ && echo "Installed .claude/skills/post-optimizer"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add okooo5km/post-optimizer

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/post-optimizer/ 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/post-optimizer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/post-optimizer" ] && { [ ! -e ~/.claude/skills/post-optimizer ] || { mv ~/.claude/skills/post-optimizer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/post-optimizer" ~/.claude/skills/ && echo "Installed ~/.claude/skills/post-optimizer" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/post-optimizer/ 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.

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
Referenceokooo5km/post-optimizer

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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Anybody with an account, one review each. It carries the version that was current when you wrote it, and the publisher may reply once.

Who wrote it

OK
okooo5km

Publishes on mcprush.

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