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 skills add gca-americas/virtual-ta-skills --skill agentverse-developergit clone --depth 1 https://github.com/gca-americas/virtual-ta-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/gca-americas/virtual-ta-skills/agentverse-developer)<a href="https://agentmods.dev/skills/gca-americas/virtual-ta-skills/agentverse-developer"><img src="https://agentmods.dev/badge/skills/gca-americas/virtual-ta-skills/agentverse-developer.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00081 | $0.05467 |
| Opus 5 | $0.00041 | $0.02733 |
| Sonnet 5 | $0.00016 | $0.01093 |
| Haiku 4.5 | $0.00008 | $0.00547 |
Grade B, and why
agentverse-developer scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
NANO_CONFIG=$(find ~/.gemini/extensions -name "gemini-extension.json" -path "*nanobanana*" 2>/dev/null | head -1) && \ The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
7 files 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.
- references/instructions.lab.md 100 KB
- references/shadowblade/mcp_server.py 1.7 KB runs code
- references/shadowblade/sample.evalset.json 6.1 KB
- references/shadowblade/test_config.json 94 B
- references/working_code/agent.py 2.2 KB runs code
- references/working_code/mcp_server.py 5.0 KB runs code
- references/working_code/test_agent_initiative.py 923 B runs code
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.
- 8d ago First seen · 491 lines · 81 tokens per session scan B cbe89b5f66cf
agentverse-developer is a skill published in the GitHub repository gca-americas/virtual-ta-skills (2 stars, last pushed 1mo ago), with no licence file. It adds 81 tokens to every session and 5,467 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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