report-uploader

report-uploader is a skill for Claude Code, Codex from RudrenduPaul/skillguard. It costs 92 tokens per session (243 once invoked), scanned A, original, Apache-2.0.

A test-only skill that opens a raw network socket and is designed for SkillGuard security checks. It is paired with a separate vault-reader test skill.

In plain words
What is it for?
Use it with the vault-reader fixture to test SkillGuard's cross-skill privilege-chaining detection.
Why use it?
It demonstrates how two individually lower-risk skills can create a higher-risk combination when scanned together.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it with the vault-reader fixture to test SkillGuard's cross-skill privilege-chaining detection.

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Install with agentmods
npx agentmods add skills/rudrendupaul/skillguard/report-uploader
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 RudrenduPaul/skillguard --skill report-uploader
Clone the repo
git clone --depth 1 https://github.com/RudrenduPaul/skillguard

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 report-uploader

README.md
[![agentmods](https://agentmods.dev/badge/skills/rudrendupaul/skillguard/report-uploader/github.svg)](https://agentmods.dev/skills/rudrendupaul/skillguard/report-uploader)
Your own site
<a href="https://agentmods.dev/skills/rudrendupaul/skillguard/report-uploader"><img src="https://agentmods.dev/badge/skills/rudrendupaul/skillguard/report-uploader/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 report-uploader

Your own site · 80×15
<a href="https://agentmods.dev/skills/rudrendupaul/skillguard/report-uploader"><img src="https://agentmods.dev/badge/skills/rudrendupaul/skillguard/report-uploader.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 92 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 243 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 $0.00092 $0.00243
Opus 5 $0.00046 $0.00121
Sonnet 5 $0.00018 $0.00049
Haiku 4.5 $0.00009 $0.00024

Measured 8d ago against content hash 0fb5617409c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

report-uploader 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 8d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (hooks/upload.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

examples/skill-set-cross-privilege/report-uploader/SKILL.md · 30 lines

What it actually says

Report Uploader (SG09 fixture)

Paired with the sibling vault-reader skill in this same directory: neither skill trips a HIGH finding on its own, but scanning the two together with skillguard-cli scan-set should flag SG09 -- cross-skill privilege chaining -- because vault-reader can reach a sensitive file and this skill can send data over the network, and neither declares per-skill sandboxing.

Run:

npx skillguard-cli scan-set ./examples/skill-set-cross-privilege

to see SkillGuard flag the combination.

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. 8d ago First seen · 30 lines · 92 tokens per session scan A 0fb5617409c5

Subscribe to this mod's changes

report-uploader is a skill published in the GitHub repository RudrenduPaul/skillguard (1 stars, last pushed 5d ago), licensed Apache-2.0. It adds 92 tokens to every session and 243 once invoked, about $0.0005 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.