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 agents/tintinweb/pi-subagents/disallow-alpha-writegit clone --depth 1 https://github.com/tintinweb/pi-subagentsWrote 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/agents/tintinweb/pi-subagents/disallow-alpha-write)<a href="https://agentmods.dev/agents/tintinweb/pi-subagents/disallow-alpha-write"><img src="https://agentmods.dev/badge/agents/tintinweb/pi-subagents/disallow-alpha-write.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 | $0.00014 | $0.00097 |
| Opus 5 | $0.00007 | $0.00048 |
| Sonnet 5 | $0.00003 | $0.00019 |
| Haiku 4.5 | $0.00001 | $0.00010 |
Grade B, and why
disallow-alpha-write 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 4d 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.
Unrestricted tool accessmediumExcessive agency
A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.
tools: "*, ext:ext-alpha.mjs" What it actually says
e2e template: disallowed_tools removes an extension tool even when the ext: selector would otherwise surface it.
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.
- 4d ago First seen · 11 lines · 14 tokens per session scan B 793582d8200f
disallow-alpha-write is an agent published in the GitHub repository tintinweb/pi-subagents (1,047 stars, last pushed 6d ago), licensed MIT. It adds 14 tokens to every session and 97 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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