owasp-llm-top10

owasp-llm-top10 is a skill for Claude Code from jassics/awesome-claude-security. It costs 60 tokens per session (582 once invoked), scanned A, original, GPL-3.0.

A security assessment based on the OWASP Top 10 for LLM Applications, a list of common risks in software built with large language models.

In plain words
What is it for?
It is for reviewing chatbots, copilots, retrieval-augmented generation apps, and other LLM-backed features.
Why use it?
It organizes findings by risk category and includes severity and mitigation guidance for weaknesses in AI features.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the llm-security plugin — 3 skills, 1 agent shipped together

Good fit It is for reviewing chatbots, copilots, retrieval-augmented generation apps, and other LLM-backed features.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jassics/awesome-claude-security/owasp-llm-top10
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 jassics/awesome-claude-security --skill owasp-llm-top10
Clone the repo
git clone --depth 1 https://github.com/jassics/awesome-claude-security

Made for: Claude Code.

Or install llm-security, the plugin that ships this one along with the rest of its 3 skills, 1 agent.

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 owasp-llm-top10

README.md
[![agentmods](https://agentmods.dev/badge/skills/jassics/awesome-claude-security/owasp-llm-top10/github.svg)](https://agentmods.dev/skills/jassics/awesome-claude-security/owasp-llm-top10)
Your own site
<a href="https://agentmods.dev/skills/jassics/awesome-claude-security/owasp-llm-top10"><img src="https://agentmods.dev/badge/skills/jassics/awesome-claude-security/owasp-llm-top10/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 owasp-llm-top10

Your own site · 80×15
<a href="https://agentmods.dev/skills/jassics/awesome-claude-security/owasp-llm-top10"><img src="https://agentmods.dev/badge/skills/jassics/awesome-claude-security/owasp-llm-top10.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 582 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 unknown 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 $0.00060 $0.00582
Opus 5 $0.00030 $0.00291
Sonnet 5 $0.00012 $0.00116
Haiku 4.5 $0.00006 $0.00058

Measured 9d ago against content hash 631c3245e80b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

owasp-llm-top10 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 9d 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.

plugins/llm-security/skills/owasp-llm-top10/SKILL.md · 61 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file 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.

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. 9d ago First seen · 61 lines · 60 tokens per session scan A 631c3245e80b

Subscribe to this mod's changes

owasp-llm-top10 is a skill published in the GitHub repository jassics/awesome-claude-security (6 stars, last pushed 1mo ago), licensed GPL-3.0. It adds 60 tokens to every session and 582 once invoked, about $0.0003 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 2026-09-03.

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