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/drayline/rootnode-skills/rootnode-identity-blocksnpx skills add drayline/rootnode-skills --skill rootnode-identity-blocksgit clone --depth 1 https://github.com/drayline/rootnode-skillsWhat 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 | $0.00196 | $0.02104 |
| Opus 5 | $0.00098 | $0.01052 |
| Sonnet 5 | $0.00039 | $0.00421 |
| Haiku 4.5 | $0.00020 | $0.00210 |
Grade B, and why
rootnode-identity-blocks 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 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.
Asks the agent to reveal its instructionsmediumSystem prompt leakage
Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.
An identity approach defines WHO Claude is. It does not define WHAT Claude should do (objective), WHAT Claude knows (context), HOW Claude should reason (methodology), or WHAT the output looks like (format). A strong iden 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
5 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.
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 · 157 lines · 196 tokens per session scan B 4efab247e886
rootnode-identity-blocks is a skill published in the GitHub repository drayline/rootnode-skills (40 stars, last pushed 1mo ago), with no licence file. It adds 196 tokens to every session and 2,104 once invoked, about $0.0010 per session on Opus 5. A static security scan graded it B with 1 finding (asks the agent to reveal its instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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