Cross-Module Feature Analyzer Agent Skill

Analyzes and traces complex software features across multiple code modules to map call chains, data flows, and architectural dependencies.

Context cost
850 tokensestimated from the bundle, loaded when it triggers
Bundle
1 file · 3.4 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

跨模块功能分析。当用户要求"分析 XX 功能"、"追踪 XX 流程"、"XX 是怎么实现的"时触发。 追踪某个功能跨多个模块的实现,分析调用链、数据流和模块间交互关系。

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.

gamedev

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.md3.4 kB · preview
--- name: feature-analyzer allowed-tools: Read, Write, Glob, Grep, Bash(*) user-invocable: false ---
10对指定功能或系统进行跨模块分析,追踪其在多个模块中的实现和交互。
11
12**定位:跨模块功能分析。** 关注功能如何跨越模块边界,识别调用链、数据流和模块间依赖关系。
13与 module 的区别:module 深入单个模块内部,feature 横向追踪跨模块的功能实现。
14
15## 输入参数
16
17本 Skill 接收以下参数(由 analyst agent 传递):
18
19| 参数 | 类型 | 必填 | 说明 |
20|------|------|------|------|
21| scope | string | 是 | 功能名称或主路径(如"子弹系统"或"./src/bullet") |
22| output_file | string | 是 | 输出文件路径,由调用方指定 |
23| key_modules | string[] | 否 | 用户指定的关键模块路径,优先分析 |
24| notes | string | 否 | 用户指定的重点关注事项 |
25
26## 工作流程
27
281. **开始执行**
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md187 words
Files1
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.
800
on trigger
The instruction body, read only when the skill fires.
0.43%
of a 200k window
Ten skills this size would take about 4% of the window before you open a file.
050k100k150k200k context window

850 tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Small enough to keep loaded permanently without thinking about it.

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.

It asks the agent to write files, using whatever file access your client already has. Whether it reaches the network is not declared.

What it asks for
Writes filesyes
Network accessnot declared

Read from the allowed-tools line of this skill’s own SKILL.md. It also asks for Bash, which could do either, so what is not named there is not ruled out. 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, 3.4 kB on disk. A bundle is text throughout: the instructions the model reads, plus the templates it fills in.

  • SKILL.md3.4 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.

Install

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

# Cross-Module Feature Analyzer · 850 tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/cross-module-feature-analyzer/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/cross-module-feature-analyzer" ] && { [ ! -e .claude/skills/cross-module-feature-analyzer ] || { mv .claude/skills/cross-module-feature-analyzer "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/cross-module-feature-analyzer" .claude/skills/ && echo "Installed .claude/skills/cross-module-feature-analyzer"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add hproof/cross-module-feature-analyzer

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

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
Referencehproof/cross-module-feature-analyzer

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

HP
hproof

Publishes on mcprush.

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