audit-tenant-isolation

audit-tenant-isolation is a skill for Claude Code, Codex from danygiguere/audit-skills. It costs 43 tokens per session (116 once invoked), scanned A, original, MIT.

A tenant-isolation security review checks whether a multi-tenant application keeps each customer’s data separate in queries, caches, and background jobs.

In plain words
What is it for?
Use it to review multi-tenant code for data-isolation problems and report confirmed findings with severity and file locations.
Why use it?
It helps find cross-tenant data leaks caused by missing customer filters or shared cache keys.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to review multi-tenant code for data-isolation problems and report confirmed findings with severity and file locations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/danygiguere/audit-skills/audit-tenant-isolation
Install

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.

Any agent
npx skills add danygiguere/audit-skills --skill audit-tenant-isolation
Clone the repo
git clone --depth 1 https://github.com/danygiguere/audit-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for audit-tenant-isolation

README.md
[![agentmods](https://agentmods.dev/badge/skills/danygiguere/audit-skills/audit-tenant-isolation/github.svg)](https://agentmods.dev/skills/danygiguere/audit-skills/audit-tenant-isolation)
Your own site
<a href="https://agentmods.dev/skills/danygiguere/audit-skills/audit-tenant-isolation"><img src="https://agentmods.dev/badge/skills/danygiguere/audit-skills/audit-tenant-isolation/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.

agentmods 80×15 button for audit-tenant-isolation

Your own site · 80×15
<a href="https://agentmods.dev/skills/danygiguere/audit-skills/audit-tenant-isolation"><img src="https://agentmods.dev/badge/skills/danygiguere/audit-skills/audit-tenant-isolation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 116 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00043 $0.00116
Opus 5 $0.00022 $0.00058
Sonnet 5 $0.00009 $0.00023
Haiku 4.5 $0.00004 $0.00012

Measured 12d ago against content hash 1aba136f7210, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

audit-tenant-isolation 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 12d 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.

.agents/skills/audit-tenant-isolation/SKILL.md · 10 lines

What it actually says

Read ../audit/references/access-data-security/tenant-isolation.md and apply its checklist to the code the user specified (or the current diff if none was given). Verify each candidate with ../audit/references/methodology/verify.md before reporting. Report findings with severity and file:line references.

Changes

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.

  1. 12d ago First seen · 10 lines · 43 tokens per session scan A 1aba136f7210

Subscribe to this mod's changes

audit-tenant-isolation is a skill published in the GitHub repository danygiguere/audit-skills (5 stars, last pushed 2mo ago), licensed MIT. It adds 43 tokens to every session and 116 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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