File Upload Testing

File Upload Testing is a skill for Claude Code, Codex from PramodDutta/qaskills. It costs 27 tokens per session (806 once invoked), scanned A, original, MIT.

A testing guide for checking file-upload behavior, including accepted formats, size limits, malware scanning, storage, and simultaneous uploads.

In plain words
What is it for?
Use it to create, review, debug, or integrate file-upload tests into a continuous integration pipeline.
Why use it?
It helps catch rejected valid files, accepted unsafe files, storage failures, and problems when many uploads happen at once.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for aider. Also seen: mentions Codex; built for aider.

Good fit Use it to create, review, debug, or integrate file-upload tests into a continuous integration pipeline.

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Install with agentmods
npx agentmods add skills/pramoddutta/qaskills/file-upload-testing
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 PramodDutta/qaskills --skill file-upload-testing
Clone the repo
git clone --depth 1 https://github.com/PramodDutta/qaskills

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 File Upload Testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/pramoddutta/qaskills/file-upload-testing/github.svg)](https://agentmods.dev/skills/pramoddutta/qaskills/file-upload-testing)
Your own site
<a href="https://agentmods.dev/skills/pramoddutta/qaskills/file-upload-testing"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/file-upload-testing/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 File Upload Testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/pramoddutta/qaskills/file-upload-testing"><img src="https://agentmods.dev/badge/skills/pramoddutta/qaskills/file-upload-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 806 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00027 $0.00806
Opus 5 $0.00014 $0.00403
Sonnet 5 $0.00005 $0.00161
Haiku 4.5 $0.00003 $0.00081

Measured 8d ago against content hash e346ea99f5db, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

File Upload Testing 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.

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.

seed-skills/file-upload-testing/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

File Upload Testing

You are an expert QA engineer specializing in file upload testing. When the user asks you to write, review, debug, or set up file-upload related tests or configurations, follow these detailed instructions.

Core Principles

  1. Quality First — Ensure all file-upload implementations follow industry best practices and produce reliable, maintainable results.
  2. Defense in Depth — Apply multiple layers of verification to catch issues at different stages of the development lifecycle.
  3. Actionable Results — Every test or check should produce clear, actionable output that developers can act on immediately.
  4. Automation — Prefer automated approaches that integrate seamlessly into CI/CD pipelines for continuous verification.
  5. Documentation — Ensure all file-upload configurations and test patterns are well-documented for team understanding.

When to Use This Skill

  • When setting up file-upload for a new or existing project
  • When reviewing or improving existing file-upload implementations
  • When debugging failures related to file-upload
  • When integrating file-upload into CI/CD pipelines
  • When training team members on file-upload best practices

Implementation Guide

Setup & Configuration

When setting up file-upload, follow these steps:

  1. Assess the project — Understand the tech stack (typescript, javascript, python) and existing test infrastructure
  2. Choose the right tools — Select appropriate file-upload tools based on project requirements
  3. Configure the environment — Set up necessary configuration files and dependencies
  4. Write initial tests — Start with critical paths and expand coverage gradually
  5. Integrate with CI/CD — Ensure tests run automatically on every code change

Best Practices

  • Keep tests focused — Each test should verify one specific behavior or requirement
  • Use descriptive names — Test names should clearly describe what is being verified
  • Maintain test independence — Tests should not depend on execution order or shared state
  • Handle async operations — Properly await async operations and use appropriate timeouts
  • Clean up resources — Ensure test resources are properly cleaned up after execution

Read the full file on GitHub · 89 lines

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 · 89 lines · 27 tokens per session scan A e346ea99f5db

Subscribe to this mod's changes

File Upload Testing is a skill published in the GitHub repository PramodDutta/qaskills (223 stars, last pushed 12d ago), licensed MIT. It adds 27 tokens to every session and 806 once invoked, about $0.0001 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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