Borrowing it
Nothing to install: this file belongs to antvis/chart-visualization-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/antvis/chart-visualization-skills/master/.github/skills/antv-skills-maintainer/SKILL.mdgit clone --depth 1 https://github.com/antvis/chart-visualization-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/antvis/chart-visualization-skills/antv-skills-maintainer)<a href="https://agentmods.dev/skills/antvis/chart-visualization-skills/antv-skills-maintainer"><img src="https://agentmods.dev/badge/skills/antvis/chart-visualization-skills/antv-skills-maintainer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/antvis/chart-visualization-skills/antv-skills-maintainer"><img src="https://agentmods.dev/badge/skills/antvis/chart-visualization-skills/antv-skills-maintainer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
What 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 5.1 | $0.00045 | $0.00770 |
| Opus 5 | $0.00023 | $0.00385 |
| Sonnet 5 | $0.00009 | $0.00154 |
| Haiku 4.5 | $0.00005 | $0.00077 |
Grade A, and why
antv-skills-maintainer 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AntV Skills Maintainer
This skill ensures that all documentation and configuration files remain in sync whenever a skill is added or updated in this repository.
Important
The antv-skills-maintainer skill is internal-only — it is used solely for this repository's iteration workflow. Do not add it to README.md "Available Skills" or .claude-plugin/marketplace.json. Only user-facing skills should appear in those files.
When to Apply
Apply this skill automatically after every code change — especially when:
- A new skill directory is added under
skills/ - An existing skill's
SKILL.mdis modified (name, description, capabilities) - A skill is removed or deprecated
What to Keep in Sync
1. README.md — "Available Skills" Section
The ## Available Skills section in README.md must list every skill under skills/ with:
- An appropriate emoji icon
- The skill name (bold, matching the directory name)
- A one-line description matching the skill's
SKILL.mdfrontmatterdescriptionfield - A short paragraph elaborating on the skill's capabilities
Format:
- 🔧 **skill-name**: One-line description from SKILL.md frontmatter.
`Skill Display Name` elaboration paragraph...
Steps:
- Scan
skills/directory to list all available skills. - Read each skill's
SKILL.mdfrontmatter (name,description). - Compare with the current
## Available Skillssection inREADME.md. - Add entries for new skills, update entries for changed skills, remove entries for deleted skills.
- Preserve the section's existing formatting style.
2. .claude-plugin/marketplace.json — Plugins Array
The plugins array in .claude-plugin/marketplace.json must contain an entry for every skill under skills/.
Entry format:
{
"name": "skill-name",
"description": "Description from SKILL.md frontmatter.",
"source": "./",
"strict": false,
"skills": [
"./skills/skill-name"
]
}
Steps:
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.
- 11d ago First seen · 87 lines · 45 tokens per session scan A 6f680c0cb87c
antv-skills-maintainer is a skill published in the GitHub repository antvis/chart-visualization-skills (484 stars, last pushed yesterday), licensed MIT. It adds 45 tokens to every session and 770 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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