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SKILL verified MIT Self-run

Xlsx

skill-woodfishhhh-ez-math-model-xlsx · by woodfishhhh

Use when EZ_math_model needs to read, preview, clean, write, or summarize CSV, XLS, or XLSX attachments and result tables for modeling tasks.

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Install

$ agentstack add skill-woodfishhhh-ez-math-model-xlsx

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

Security review passed
0 installs to date
no reviews yet
4mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

xlsx — 表格数据读写

何时使用

  • 读取 .xlsx.xls.csv 附件。
  • 写出 results/qN_summary.csv.xlsx
  • 生成 intake.json.attachments[i].preview
  • 大 CSV 需要分块处理。

预览契约

输出到 intake preview:

{
  "shape": [1024, 8],
  "columns": ["timestamp", "value"],
  "head_3": [{"timestamp": "2024-01-01", "value": 12.3}],
  "missing_per_col": {"value": 5}
}

优先链路

  1. pandas 读写和清洗。
  2. openpyxl 写公式或保留 Excel 格式。
  3. 宿主 xlsx skill 处理公式刷新、LibreOffice 重算等高级场景。

pandas 模板

import pandas as pd

df = pd.read_excel("attachments/data.xlsx")
preview = {
    "shape": list(df.shape),
    "columns": df.columns.tolist(),
    "head_3": df.head(3).to_dict("records"),
    "missing_per_col": {c: int(n) for c, n in df.isna().sum().items() if n > 0},
}
df.to_csv("results/q1_summary.csv", index=False, encoding="utf-8")

CSV 编码尝试顺序:utf-8gbkgb2312latin-1

大文件协议

  • pd.read_csv(path, chunksize=200_000)
  • 提前指定 dtype
  • 必要时抽样 5% 做 EDA。
  • 处理完及时释放分块 DataFrame。

失败诊断

| 情况 | 处理 | |---|---| | 编码全失败 | 写诊断,建议用户提供 utf-8 版 | | 列名含非法字符 | 生成 ASCII 安全别名并保留 column_alias.json | | 文件超过 1GB | chunksize 分块处理 |

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.