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iPlug3/audio-plugin-dev-skills

Claude Code marketplace for audio plugin development skills.

Claude Code Engineering

History

Review weekly changes to SKILL.md before updating. Dates mark the weeks in which we observed each version; checks apply to the recorded commits.

View weekly changes

`plugins/audio-plugin-validators/skills/check-codesign/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Instructions only

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

`plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Network or broad shell

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

`plugins/audio-plugin-validators/skills/validate-clap/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Network or broad shell

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

`plugins/audio-plugin-validators/skills/validate-pluginval/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Network or broad shell

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

`plugins/audio-plugin-validators/skills/validate-vst3/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Instructions only

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

`plugins/audio-plugin-validators/skills/validate-vst3-editorhost/SKILL.md`

Week of Nov 2, 2026 · Line counts unavailable

Before Not checked yet → After Network or broad shell

First observation → e593a808a6fc

No earlier version was observed for comparison.

Compare on GitHub

View on GitHub Add to my skills

Verified commit e593a808a6fc97d0f13a6fd2e91e61fcf2e5a314

Version-pinned installation · Claude Code

git clone --filter=blob:none --no-checkout https://github.com/iPlug3/audio-plugin-dev-skills.git .hotskills/iplug3-audio-plugin-dev-skills && git -C .hotskills/iplug3-audio-plugin-dev-skills checkout --detach e593a808a6fc97d0f13a6fd2e91e61fcf2e5a314
# Copy each selected skill directory from .hotskills/iplug3-audio-plugin-dev-skills into .claude/skills/<skill-name>/

101GitHub stars

Not availablestars in 7 days

6skills in this repository

0commits in 30 days

Heat

Insufficient history

Not enough history yet to measure heat. It appears after a few days of data.

Heat never changes the order by stars, and sponsorship never touches it. How heat works

Stars over time

30-day change not yet available: not enough history.

Individual skills in this repository

check-codesign plugins/audio-plugin-validators/skills/check-codesign
validate-audiounit plugins/audio-plugin-validators/skills/validate-audiounit
validate-clap plugins/audio-plugin-validators/skills/validate-clap
validate-pluginval plugins/audio-plugin-validators/skills/validate-pluginval
validate-vst3 plugins/audio-plugin-validators/skills/validate-vst3
validate-vst3-editorhost plugins/audio-plugin-validators/skills/validate-vst3-editorhost

How it works

Choose a skill

check-codesign

When your agent uses it

Check macOS code signature, hardened runtime, entitlements, and notarization of audio plugin bundles (.vst3, .component, .clap, .app/.appex). Use when user says "check code signing", "check codesign", "check signature", "verify signing", "check notarization", "why won't plugin load", "hardened runtime", "check entitlements", or a plugin fails to load in a signed DAW.

What it loads into context

Frontmatter

144 tokens

Always available to the agent

SKILL.md

2,046 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Why This Matters
Plugin Bundle Locations
Instructions
Basic Usage
Checking Hardened Runtime
Entitlements for Audio Plugins
Checking Notarization
Checking a DAW Host
Note on `--deep`
Ad-Hoc Signatures
Re-signing a Plugin (Development)
Common Issues

Files

../../../../.claude-plugin/marketplace.jsonasset604 bytes
../../.claude-plugin/plugin.jsonasset417 bytes
SKILL.mdcore8,191 bytes
SKILL.mdcore8,191 bytes
SKILL.mdcore8,191 bytes
SKILL.mdcore8,191 bytes
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SKILL.mdcore8,191 bytes
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SKILL.mdcore8,191 bytes

Read SKILL.md


# macOS Code Signature Check

## Why This Matters

macOS DAWs built with hardened runtime (Logic Pro, GarageBand, recent versions of Ableton Live, etc.) will refuse to load unsigned or incorrectly signed plugins. Gatekeeper and library validation enforcement mean that even a plugin passing all functional tests can silently fail to load if its code signature is missing, invalid, or lacks required entitlements.

## Plugin Bundle Locations

| Format | Extension | Typical Paths |
|--------|-----------|---------------|
| AudioUnit v2 | `.component` | `~/Library/Audio/Plug-Ins/Components/`, `/Library/Audio/Plug-Ins/Components/` |
| AudioUnit v3 | `.appex` (inside `.app`) | Built into host app bundle |
| VST3 | `.vst3` | `~/Library/Audio/Plug-Ins/VST3/`, `/Library/Audio/Plug-Ins/VST3/` |
| CLAP | `.clap` | `~/Library/Audio/Plug-Ins/CLAP/`, `/Library/Audio/Plug-Ins/CLAP/` |

View the complete source on GitHub

validate-audiounit

When your agent uses it

Validate AudioUnit v2/v3 plugins (.component bundles and .appex app extensions) using Apple's auval tool. Use when user says "validate AU", "run auval", "test AudioUnit", "check the .component", "check the .appex", "validate AUv3", or needs to check AudioUnit compatibility. For .vst3 use validate-vst3; for .clap use validate-clap.

What it loads into context

Frontmatter

135 tokens

Always available to the agent

SKILL.md

2,137 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Plugin Install Locations
Instructions
Basic Usage
Listing AudioUnits
AudioUnit Types
Validation Options
Strict Options
Batch Validation
Component ID Formats
Return Codes
Memory Leak Testing
AUv2 vs AUv3 Conflicts
Force AU Rescan
Common Issues

Files

SKILL.mdcore7,792 bytes
SKILL.mdcore7,792 bytes
SKILL.mdcore7,792 bytes
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Read SKILL.md


# AudioUnit Validation (auval)

## Plugin Install Locations

AudioUnits **must** be registered with the system for `auval` to find them — it does not accept a file path.

### AUv2 (.component)

| Location | Scope |
|----------|-------|
| `~/Library/Audio/Plug-Ins/Components/` | Current user only |
| `/Library/Audio/Plug-Ins/Components/` | All users (requires admin) |

After installing or rebuilding, force a rescan: `killall -9 AudioComponentRegistrar`

View the complete source on GitHub

validate-clap

When your agent uses it

Validate CLAP plugins (.clap files) using clap-validator. Use when user says "validate CLAP", "run clap-validator", "test the .clap", or "test CLAP plugin". Does NOT validate .vst3 or .component — use the appropriate validators.

What it loads into context

Frontmatter

106 tokens

Always available to the agent

SKILL.md

1,400 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Plugin Install Locations
Instructions
Installation
Basic Usage
Commands
Validation Options
Verbosity
Debugging Failed Tests
Test Categories
Common Issues

Files

SKILL.mdcore5,729 bytes
SKILL.mdcore5,729 bytes
SKILL.mdcore5,729 bytes
SKILL.mdcore5,729 bytes
SKILL.mdcore5,729 bytes
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Read SKILL.md


# CLAP Validator

## Plugin Install Locations

`clap-validator` accepts a direct path, but these are the standard install locations where hosts scan for CLAP plugins.

| Platform | User Location | System Location |
|----------|--------------|-----------------|
| macOS | `~/Library/Audio/Plug-Ins/CLAP/` | `/Library/Audio/Plug-Ins/CLAP/` |
| Windows | `%LOCALAPPDATA%\Programs\Common\CLAP\` | `C:\Program Files\Common Files\CLAP\` |
| Linux | `~/.clap/` | `/usr/lib/clap/` or `/usr/local/lib/clap/` |

## Instructions

View the complete source on GitHub

validate-pluginval

When your agent uses it

Validate VST3 (.vst3) and AudioUnit (.component) plugins with pluginval at configurable strictness levels. Use when user says "run pluginval", "validate plugin", or wants comprehensive cross-format testing. Does NOT support .clap files. For multi-bus VST3 plugins that crash, use validate-vst3 instead.

What it loads into context

Frontmatter

115 tokens

Always available to the agent

SKILL.md

1,529 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Plugin Install Locations
Instructions
Installation
Basic Usage
Strictness Levels
Command Line Options
Environment Variables
CI Integration
Reproducing Failures
Known Limitations

Files

SKILL.mdcore5,509 bytes
SKILL.mdcore5,509 bytes
SKILL.mdcore5,509 bytes
SKILL.mdcore5,509 bytes
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# pluginval

Cross-platform validator for VST3 and AudioUnit plugins.

## Plugin Install Locations

`pluginval` accepts a direct path. These are the standard install locations by format.

**AudioUnit (.component)** — macOS only:

| Location | Scope |
|----------|-------|
| `~/Library/Audio/Plug-Ins/Components/` | Current user only |
| `/Library/Audio/Plug-Ins/Components/` | All users |

View the complete source on GitHub

validate-vst3

When your agent uses it

Validate VST3 plugins (.vst3 bundles) using Steinberg's official validator tool. Use when user says "run VST3 validator", "validate VST3", "test the .vst3", or needs Steinberg-specific test suites. Prefer this over pluginval for multi-bus VST3 plugins.

What it loads into context

Frontmatter

111 tokens

Always available to the agent

SKILL.md

937 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Plugin Install Locations
Instructions
Basic Usage
Options
Listing Plugins
Test Suites
Building the Validator
Common Issues

Files

SKILL.mdcore3,592 bytes
SKILL.mdcore3,592 bytes
SKILL.mdcore3,592 bytes
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SKILL.mdcore3,592 bytes

Read SKILL.md


# VST3 Validator

## Plugin Install Locations

The `validator` accepts a direct path, but `validator -list` only scans standard locations.

| Platform | User Location | System Location |
|----------|--------------|-----------------|
| macOS | `~/Library/Audio/Plug-Ins/VST3/` | `/Library/Audio/Plug-Ins/VST3/` |
| Windows | `%LOCALAPPDATA%\Programs\Common\VST3\` | `C:\Program Files\Common Files\VST3\` |
| Linux | `~/.vst3/` | `/usr/lib/vst3/` or `/usr/local/lib/vst3/` |

## Instructions

View the complete source on GitHub

validate-vst3-editorhost

When your agent uses it

Test VST3 plugin UIs (.vst3 bundles) using Steinberg's EditorHost without a full DAW. Use when user says "test the plugin UI", "open in editorhost", "show the .vst3 editor", or wants to visually inspect the VST3 editor. For functional validation use validate-vst3 instead.

What it loads into context

Frontmatter

118 tokens

Always available to the agent

SKILL.md

872 tokens

When the skill is activated

Reference documents

0 tokens

Loaded on request

Token counts are estimates. Scripts run separately; they are not counted as reference context.

The playbook

Plugin Install Locations
Instructions
Usage
Building EditorHost
Troubleshooting

Files

SKILL.mdcore3,198 bytes
SKILL.mdcore3,198 bytes
SKILL.mdcore3,198 bytes
SKILL.mdcore3,198 bytes

Read SKILL.md


# VST3 EditorHost

Minimal VST3 host for testing plugin UIs without a full DAW.

## Plugin Install Locations

`editorhost` accepts a direct path to a `.vst3` bundle.

| Platform | User Location | System Location |
|----------|--------------|-----------------|
| macOS | `~/Library/Audio/Plug-Ins/VST3/` | `/Library/Audio/Plug-Ins/VST3/` |
| Windows | `%LOCALAPPDATA%\Programs\Common\VST3\` | `C:\Program Files\Common Files\VST3\` |
| Linux | `~/.vst3/` | `/usr/lib/vst3/` or `/usr/local/lib/vst3/` |

View the complete source on GitHub

Skills included

check-codesign
validate-audiounit
validate-clap
validate-pluginval
validate-vst3
validate-vst3-editorhost

Repository facts

License: MIT
Created: Feb 10, 2026
Last pushed: Feb 11, 2026
Forks: 4
Open issues: 0
Project activity: Slowing

Before you install

Network or broad shell

Automated signals, not a guarantee

Checked Nov 5, 2026

Not fully analyzed: some files were too long, unreadable or missing. This never lowers the level.

Show 40 notes

plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/check-codesign/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed
plugins/audio-plugin-validators/skills/validate-clap/SKILL.md:1 Analysis incomplete: Referenced executable target unavailable; not analyzed

No broad tool permissions
3 dangerous shell commandsin 2 files: validate-vst3-editorhost/SKILL.md:69 validate-audiounit/SKILL.md:120
13 network referencesin 7 files: plugins/audio-plugin-validators/.claude-plugin/plugin.json:6 validate-clap/SKILL.md:34 .claude-plugin/marketplace.json:1 and 4 more
No hidden or obfuscated text
No instruction overrides
No executable scripts
No access to secrets
No requests to vote in Hot

Show all 16 signals by file

`.claude-plugin/marketplace.json`

Network accessline 1

{   "$schema": "https://anthropic.com/claude-code/marketplace.schema.json",

Network accessline 2

"$schema": "https://anthropic.com/claude-code/marketplace.schema.json",

`plugins/audio-plugin-validators/.claude-plugin/plugin.json`

Network accessline 6

"name": "Oli Larkin"   },   "repository": "https://github.com/iPlug3/audio-plugin-dev-skills",

Network accessline 7

},   "repository": "https://github.com/iPlug3/audio-plugin-dev-skills",   "keywords": ["audio", "plugin", "vst3", "audiounit", "clap", "validation"]

Network accessline 8

"repository": "https://github.com/iPlug3/audio-plugin-dev-skills",

`plugins/audio-plugin-validators/skills/check-codesign/SKILL.md`

Network accessline 158

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

Network accessline 159

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

`plugins/audio-plugin-validators/skills/validate-audiounit/SKILL.md`

Dangerous shell operationline 120

sudo auval -real-time-safety -v aufx <subtype> <manufacturer>

`plugins/audio-plugin-validators/skills/validate-clap/SKILL.md`

Network accessline 34

1. Download from [GitHub Releases](https://github.com/free-audio/clap-validator/releases)

Network accessline 50

# Or build from source git clone https://github.com/free-audio/clap-validator

Network accessline 51

git clone https://github.com/free-audio/clap-validator

`plugins/audio-plugin-validators/skills/validate-pluginval/SKILL.md`

Network accessline 46

Download from [GitHub Releases](https://github.com/Tracktion/pluginval/releases).

`plugins/audio-plugin-validators/skills/validate-vst3-editorhost/SKILL.md`

Network accessline 58

Clone the [VST3 SDK](https://github.com/steinbergmedia/vst3sdk) if you don't have it, then build:

Dangerous shell operationline 69

sudo apt install libx11-dev libgtkmm-3.0-dev libxcb-util-dev libxcb-cursor-dev libxcb-keysyms1-dev libxcb-xkb-dev

Dangerous shell operationline 72

sudo dnf install libX11-devel gtkmm3.0-devel xcb-util-devel xcb-util-cursor-devel xcb-util-keysyms-devel libxkbcommon-x11-devel

`plugins/audio-plugin-validators/skills/validate-vst3/SKILL.md`

Network accessline 90

Clone the [VST3 SDK](https://github.com/steinbergmedia/vst3sdk) if you don't have it, then build:

How the signals fit together

Facts from a static read of the files at the pinned commit. They describe what the code does, not why.

Some files could not be read; the facts below still hold.

Signal confidence: 11 facts

Network access in code of the SKILL.mdcheck-codesign/SKILL.md:158High confidence
Network access in code of the SKILL.mdcheck-codesign/SKILL.md:159High confidence
Dangerous shell operation in code of the SKILL.mdvalidate-audiounit/SKILL.md:120High confidence
Network access in prose of the SKILL.mdvalidate-clap/SKILL.md:34Low confidence
Network access in code of the SKILL.mdvalidate-clap/SKILL.md:50High confidence
Network access in code of the SKILL.mdvalidate-clap/SKILL.md:51High confidence
Network access in prose of the SKILL.mdvalidate-pluginval/SKILL.md:46Low confidence
Network access in prose of the SKILL.mdvalidate-vst3-editorhost/SKILL.md:58Low confidence
Dangerous shell operation in code of the SKILL.mdvalidate-vst3-editorhost/SKILL.md:69High confidence
Dangerous shell operation in code of the SKILL.mdvalidate-vst3-editorhost/SKILL.md:72High confidence
Network access in prose of the SKILL.mdvalidate-vst3/SKILL.md:90Low confidence

Works with

Agent compatibility, from the files in this repository
Agent	Status	Evidence	Install to
Claude Code	Native	Manifest .claude-plugin/marketplace.json	`.claude/skills/<skill-name>/`
Codex	Compatible	Standard SKILL.md plugins/audio-plugin-validators/skills/check-codesign/SKILL.md	`.agents/skills/<skill-name>/`
Cursor	Compatible	Standard SKILL.md plugins/audio-plugin-validators/skills/check-codesign/SKILL.md	`.cursor/skills/<skill-name>/`
Gemini CLI	Compatible	Standard SKILL.md plugins/audio-plugin-validators/skills/check-codesign/SKILL.md	`.gemini/skills/<skill-name>/`
GitHub Copilot	Compatible	Standard SKILL.md plugins/audio-plugin-validators/skills/check-codesign/SKILL.md	`.github/skills/<skill-name>/`
OpenCode	Compatible	Standard SKILL.md plugins/audio-plugin-validators/skills/check-codesign/SKILL.md	`.opencode/skills/<skill-name>/`

Native The repository ships a manifest, folder or frontmatter field for this agent.
Compatible A standard SKILL.md that this agent can read.
Unknown No evidence either way.

Derived automatically from paths, manifests and frontmatter. Not tested on each agent.