Agent skill

Tripex Port

Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, ~25 effects) onto macOS as a ProjectM-peer engine.

Custom licenceAuto-check passedMobile

Install Tripex Port

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/tripex-port .claude/skills/tripex-port && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .claude/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/tripex-port .agents/skills/tripex-port && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .agents/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/tripex-port .cursor/skills/tripex-port && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .cursor/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/ad-repo/nullplayer.git --path skills/tripex-port

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/tripex-port .gemini/skills/tripex-port && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .gemini/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/tripex-port .github/skills/tripex-port && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .github/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add ad-repo/nullplayer --skill tripex-port -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install ad-repo/nullplayer tripex-port --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/ad-repo/nullplayer.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/tripex-port .opencode/skills/tripex-port && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "tripex-port" agent skill from https://github.com/ad-repo/nullplayer/tree/main/skills/tripex-port into .opencode/skills/tripex-port/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "tripex-port", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: tripex-port
GitHub stars: 158
Token cost: ~4.9k tokens
SKILL.md length: 1,937 words
Files: 2
Skills in repo: 40
Repo updated: Oct 10, 2026
First seen: Oct 7, 2026
Licence: Custom licence

At a glance

Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, ~25 effects) onto macOS as a ProjectM-peer engine.

Works in 2 steps: TripexCoreHandle::lock serializes every… → HostAudioSource::mutex_ is an inner lock…
Modifying anything under Sources/CTripexCore/
SKILL.md covers File Layout, Threading model, Audio path and Rendering, plus 10 more sections
Calls swift; reaches github.com

What it does

Tripex Port is an agent skill from ad-repo/nullplayer. Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, ~25 effects) onto macOS as a ProjectM-peer engine. Covers the CTripexCore C ABI, upstream-vs-port file split, OpenGL 3.2 renderer subclass, audio ring buffer, threading model, persistence, and the architectural deviations from upstream. Use when modifying anything under Sources/CTripexCore/, TripexEngine.swift, TripexMenuBuilder.swift, the Tripex factory branch in…

Its SKILL.md is about 4.9k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `PORT_STATUS.md`).

It sits in Mobile, covering iOS development. It works with macOS. The repository describes itself as: nullPlayer is a free open source macOS media player with some unique features.

When your agent uses it

Modifying anything under Sources/CTripexCore/
TripexEngine.swift
TripexMenuBuilder.swift
The Tripex factory branch in VisualizationGLView

Example prompts

“/tripex-port”

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

TripexCoreHandle::lock serializes every public ABI entry inside TripexCore.cpp. Audio push and render frame are NEVER executed…
HostAudioSource::mutex_ is an inner lock guarding the ring-buffer state. Redundant in practice because the outer ABI lock already…

What it can do on your machine

Read from SKILL.md and the folder at commit 3d87ce1. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
- swift
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- github.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Tripex Port loads about 4.9k tokens when it runs. Until then it costs about 152 tokens; SKILL.md has 1,937 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~152
When it runs · the whole SKILL.md, loaded when a task matches: ~4.9k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,937 words (~4,857 tokens).

“Tripex is a visualization engine in NullPlayer's modern visualizer window, switchable from the right-click Visualization Engine submenu alongside ProjectM and Geiss. It is a port of the MIT-licensed upstream at https://github.com/ben-marsh/tripex (vendored verbatim into Sources/CTripexCore/upstream/).”

— opening of SKILL.md by ad-repo, Custom licence

name: tripex-port

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in skills/tripex-port of ad-repo/nullplayer.

SKILL.md
PORT_STATUS.md

Open the folder on GitHubat commit 3d87ce1

Compare with similar skills

Tripex Port next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Tripex Port compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Tripex Port this skillad-repo/nullplayer	158	—	~4.9k	Automated safety check: Pass	Custom licence	yesterday
Hig Project Contextraintree-technology/hig-doctor	144	5 repos	~1.2k	Automated safety check: Pass	MIT	today
Hig Components Contentraintree-technology/hig-doctor	144	5 repos	~1.3k	Automated safety check: Pass	MIT	today
macOS Auto Updatefayazara/macos-app-skills	676	—	~1.8k	Automated safety check: Pass	None	4 mo ago
API Explorationsozercan/kaset	2.4k	—	~454	Automated safety check: Pass	MIT	today
Dev Loop Packagingsozercan/kaset	2.4k	—	~388	Automated safety check: Pass	MIT	today

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Dev Loop Packaging
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Questions about Tripex Port

What does Tripex Port do?

Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, ~25 effects) onto macOS as a ProjectM-peer engine. Tripex Port is an agent skill from ad-repo/nullplayer. Implementation reference for NullPlayer's Tripex visualization engine — the MIT-licensed port of ben-marsh/tripex (Winamp-era D3D9 3D visualizer, ~25 effects) onto macOS as a ProjectM-peer engine.

When should I use Tripex Port?

Tripex Port fits situations like: modifying anything under Sources/CTripexCore/; tripexEngine.swift; tripexMenuBuilder.swift; the Tripex factory branch in VisualizationGLView.

How do I install Tripex Port in Claude Code?

Run `npx skills add ad-repo/nullplayer --skill tripex-port -a claude-code`. Or copy the skill folder (skills/tripex-port in ad-repo/nullplayer) into .claude/skills/tripex-port in your project. Claude Code loads it when a task matches its description.

How do I install Tripex Port in Codex?

Run `npx skills add ad-repo/nullplayer --skill tripex-port -a codex`. Or copy the skill folder (skills/tripex-port in ad-repo/nullplayer) into .agents/skills/tripex-port in your project. Codex loads it when a task matches its description.

Can I use Tripex Port in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add ad-repo/nullplayer --skill tripex-port -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/tripex-port, .gemini/skills/tripex-port, .github/skills/tripex-port and .opencode/skills/tripex-port in your project.

What does Tripex Port need to run?

Going by SKILL.md and its folder, Tripex Port needs the command-line tools its instructions call (swift).

Does Tripex Port access the network?

SKILL.md names 1 domain. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Tripex Port safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Tripex Port use?

Tripex Port has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Tripex Port use?

About 4.9k tokens (SKILL.md is roughly 19k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Tripex Port?

Skills that share tags, products or a category with Tripex Port: Hig Project Context (raintree-technology/hig-doctor, 144 stars), Hig Components Content (raintree-technology/hig-doctor, 144 stars), macOS Auto Update (fayazara/macos-app-skills, 676 stars) and API Exploration (sozercan/kaset, 2.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Tripex Port?

ad-repo (a GitHub user) maintains it in ad-repo/nullplayer, which has 158 GitHub stars. The repository holds 40 skills in this directory. The repository was last updated on October 10, 2026.

Source: ad-repo/nullplayer on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Tripex Port

Install Tripex Port

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Files

Compare with similar skills

Similar skills

Hig Project Context

Hig Components Content

macOS Auto Update

API Exploration

Dev Loop Packaging

App It

More from ad-repo/nullplayer

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Vis Classic Guide

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Chromecast Casting

Emby Integration

Live UI Testing

Questions about Tripex Port

Install Tripex Port

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Files

Compare with similar skills

Similar skills

More from ad-repo/nullplayer

Related

Questions about Tripex Port