Codex Image Gallery Agent Skill

Start or reuse a self-contained local web gallery for browsing Codex-generated images. Use when the user asks to browse Codex generated images, open a local image gallery, inspect ~/.codex/generated_images, view a Codex image output folder, or browse image files produced by Codex.

635 tokens

context cost

SKILL.md, read when the skill is used

files

ships runnable scripts

copies elsewhere

how many repositories repackaged it

1 314

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/daymade/claude-code-skills --skill codex-image-gallery

The instruction itself

6 sections, as written by the author

Codex Image Gallery

Start a local browser gallery for Codex image outputs. This skill is self-contained: the server lives in scripts/server.mjs, and the UI template lives in assets/index.html.

Quick Start

Run commands from this skill directory, the directory containing this SKILL.md.

node scripts/server.mjs

The server prints the actual URL. It starts at http://127.0.0.1:8765/ and tries later ports if the default is occupied.

Workflow

Check the default URL first:

   node -e 'fetch("http://127.0.0.1:8765/api/images").then(r => r.json()).then(j => console.log(j.rootPath, j.items.length)).catch(() => process.exit(1))'

If this succeeds, reuse the running server at http://127.0.0.1:8765/.

If the API check fails, check for a running server process:

   pgrep -fl 'node .*server\.mjs' || true

When a process exists but the default URL fails, inspect its stdout or try likely later ports because the server auto-increments when a port is occupied.

Verify any reused URL before reporting success:

   node -e 'fetch("http://127.0.0.1:8765/api/images").then(r => r.json()).then(j => console.log(j.rootPath, j.items.length))'

If the server chose another port, use that port.

Start the server if none is running:

   node scripts/server.mjs

Keep the process running for the user and read stdout for the URL.

Open the browser unless the user asks for URL-only:

   open http://127.0.0.1:8765/

Image Root

Default image root:

~/.codex/generated_images

Use a different folder with:

GALLERY_ROOT=/path/to/images node scripts/server.mjs

Validation

Before declaring the skill healthy after edits, run:

node --check scripts/server.mjs

Then start the server and verify:

GET /api/images returns JSON with rootPath and items
/images/<relative-path> returns image content for at least one listed item
The page loads from the bundled assets/index.html

Response

Report the URL, image root, whether the server was reused or newly started, and any verification failure. Keep the answer short.

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How to use it

Copy the folder

Take daymade/codex-image-gallery from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.