Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/coderwanfeng/python-office/add_watermark_by_parametersnpx skills add CoderWanFeng/python-office --skill add_watermark_by_parametersgit clone --depth 1 https://github.com/CoderWanFeng/python-officeWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00033 | $0.00361 |
| Opus 5 | $0.00016 | $0.00180 |
| Sonnet 5 | $0.00007 | $0.00072 |
| Haiku 4.5 | $0.00003 | $0.00036 |
Grade A, and why
add_watermark_by_parameters scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
add_watermark_by_parameters Skill
给 PDF 添加水印（带参数）
功能描述
通过参数化方式给 PDF 添加水印，与 add_mark 类似。
所属分类
office/skills/pdf/add_watermark_by_parameters/
调用方式
from skills.pdf import add_watermark_by_parameters
add_watermark_by_parameters(
input_file='./test.pdf',
mark_str='python-office',
output_path='./',
output_file='watermarked.pdf'
)
参数说明
| 参数 | 类型 | 必填 | 默认值 | 说明 |
|---|---|---|---|---|
input_file |
str | 否 | - | PDF 文件路径 |
mark_str |
str | 否 | - | 水印内容 |
output_path |
str | 否 | - | 输出路径 |
output_file |
str | 否 | - | 输出文件名 |
pdf_file |
str | 否 | - | [已弃用] 请使用 input_file |
output_file_name |
str | 否 | - | [已弃用] 请使用 output_file |
返回值
None
使用示例
from skills.pdf import add_watermark_by_parameters
add_watermark_by_parameters(input_file='./report.pdf', mark_str='机密')
原始函数
office.api.pdf.add_watermark_by_parameters
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 56 lines · 33 tokens per session scan A 0cbacc6c223f
add_watermark_by_parameters is a skill published in the GitHub repository CoderWanFeng/python-office (1,348 stars, last pushed 13d ago), licensed Apache-2.0. It adds 33 tokens to every session and 361 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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