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/fergius-engineering/instincts/entry-point-auditnpx skills add Fergius-Engineering/instincts --skill entry-point-auditgit clone --depth 1 https://github.com/Fergius-Engineering/instinctsWrote 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/fergius-engineering/instincts/entry-point-audit)<a href="https://agentmods.dev/skills/fergius-engineering/instincts/entry-point-audit"><img src="https://agentmods.dev/badge/skills/fergius-engineering/instincts/entry-point-audit.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 | $0.00030 | $0.00338 |
| Opus 5 | $0.00015 | $0.00169 |
| Sonnet 5 | $0.00006 | $0.00068 |
| Haiku 4.5 | $0.00003 | $0.00034 |
Grade A, and why
entry-point-audit 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 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.
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
The rule
When a change has to hold everywhere, the bug is the path you forgot. Before you add it to the handler in front of you, search the whole codebase for every entry point that reaches the same action, and apply it to all of them.
Fires when
Adding a limit or quota, an auth or permission check, a feature flag or gate, input validation, or logging that must always fire for some action.
How to apply
Grep the codebase for the action itself, not just the caller you're looking at: the function, the event, the command. Assume two or three entry points exist, not one. Apply the change to every one of them. Then search again to confirm none are left.
Worked example
You add a rate limit to the REST endpoint that sends invites. Shipped. Users still spam invites, because the same send-invite function is also called from a CLI command and a nightly cron job, and neither is rate-limited.
The limit had to live at every entry point, or below all of them. Not just the HTTP door you happened to be standing at.
Red flags
| Thought | Reality |
|---|---|
| "I'll add it to this handler" | Which handler? Find all of them first. |
| "There's only one place this happens" | Assume three until you've checked. |
| "It works from the UI" | The UI is one door. Count the others. |
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 · 31 lines · 30 tokens per session scan A 1f28d3a6ed92
entry-point-audit is a skill published in the GitHub repository Fergius-Engineering/instincts (2 stars, last pushed 9d ago), licensed MIT. It adds 30 tokens to every session and 338 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 2026-08-31.
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