Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/danielraffel/generous-corp-marketplacenpx agentmods add skills/danielraffel/generous-corp-marketplace/juce-starterWrote 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/danielraffel/generous-corp-marketplace/juce-starter)<a href="https://agentmods.dev/skills/danielraffel/generous-corp-marketplace/juce-starter"><img src="https://agentmods.dev/badge/skills/danielraffel/generous-corp-marketplace/juce-starter/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.
<a href="https://agentmods.dev/skills/danielraffel/generous-corp-marketplace/juce-starter"><img src="https://agentmods.dev/badge/skills/danielraffel/generous-corp-marketplace/juce-starter.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00140 | $0.03116 |
| Opus 5 | $0.00070 | $0.01558 |
| Sonnet 5 | $0.00028 | $0.00623 |
| Haiku 4.5 | $0.00014 | $0.00312 |
Grade B, and why
JUCE Plugin Starter scanned grade B with 1 finding 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
# Install deps: sudo apt install cmake ninja-build clang libasound2-dev libx11-dev libxinerama-dev libxext-dev libxrandr-dev libxcursor-dev libfreetype6-dev libwebkit2gtk-4.1-dev libglu1-mesa-dev libcurl4-openssl-dev pkg How it starts
The opening of the file, as written. The whole thing — 275 lines — stays where its author put it; the contents beside it link to each section on GitHub.
JUCE-Plugin-Starter Template Reference
Overview
JUCE-Plugin-Starter is a cross-platform template for creating audio plugin projects (AU, AUv3, VST3, CLAP, Standalone). It provides a CMake-based build system, automatic versioning, code signing, and optional Visage GPU UI integration.
Supported platforms:
- macOS: AU, AUv3, VST3, CLAP, Standalone (Xcode or Ninja)
- Windows: VST3, CLAP, Standalone (MSVC + Ninja)
- Linux: VST3, CLAP, Standalone (Clang + Ninja)
Template Structure
JUCE-Plugin-Starter/
├── Source/
│ ├── PluginProcessor.h/cpp # Audio processing (CLASS_NAME_PLACEHOLDERAudioProcessor)
│ └── PluginEditor.h/cpp # UI (CLASS_NAME_PLACEHOLDERAudioProcessorEditor)
├── templates/
│ └── visage/
│ ├── PluginEditor.h # Visage-enabled editor template
│ └── PluginEditor.cpp # Uses visage::ApplicationWindow + juce::Timer
├── scripts/
│ ├── init_plugin_project.sh # Interactive project creation
│ ├── generate_and_open_xcode.sh # CMake → Xcode build
│ ├── build.sh # Command-line build (au/auv3/vst3/clap/standalone)
│ ├── setup_visage.sh # Clone Visage + apply patches
│ ├── post_build.sh # Info.plist version updates
│ ├── sign_and_package_plugin.sh # Code signing + notarization
│ └── patches/visage/ # Visage patch files
├── tests/
│ ├── Catch2Main.cpp # Custom main with JUCE MessageManager init
│ ├── PluginBasics.cpp # Example plugin tests
│ └── helpers/test_helpers.h # Helper for editor-context testing
├── CMakeLists.txt # Build configuration
├── .clang-format # JUCE-style code formatting (Allman, 4-space, C++17)
├── .env # Developer + project settings
└── .env.example # Settings reference with defaults
Placeholder System
The template uses 9 placeholders that get replaced during project creation:
| Placeholder | Derived From | Example |
|---|---|---|
PLUGIN_NAME_PLACEHOLDER |
User input | "My Cool Synth" |
CLASS_NAME_PLACEHOLDER |
Plugin name, non-alphanumeric removed | "MyCoolSynth" |
PROJECT_FOLDER_PLACEHOLDER |
Plugin name, lowercased with hyphens | "my-cool-synth" |
BUNDLE_ID_PLACEHOLDER |
com.{namespace}.{project-folder} | "com.generouscorp.my-cool-synth" |
DEVELOPER_NAME_PLACEHOLDER |
User input | "Generous Corp" |
PLUGIN_MANUFACTURER_PLACEHOLDER |
Same as developer name | "Generous Corp" |
NAMESPACE_PLACEHOLDER |
Developer name, lowercase alphanumeric | "generouscorp" |
PLUGIN_CODE_PLACEHOLDER |
4-letter code from plugin name | "MYCO" |
PLUGIN_MANUFACTURER_CODE_PLACEHOLDER |
4-letter code from developer name | "GECO" |
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.
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.
- 12d ago First seen · 275 lines · 140 tokens per session scan B c926617dd56a
JUCE Plugin Starter is a skill published in the GitHub repository danielraffel/generous-corp-marketplace (11 stars, last pushed 13d ago), licensed MIT. It adds 140 tokens to every session and 3,116 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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