youtube-thumbnail-generate skillA
youtube-thumbnail-generate is agent-read markdown (skill) from naveedharri/benai-skills: Generate on-brand YouTube thumbnails for Ben van Sprundel using Higgsfield in one shot. Use when the user says create a thumbnail, make a YT thumbnail, thumbnail for video, generate ben thumbnail, variation of last thumbnail, or shares a video concept and asks for a thumbnail. Auto-infers mode from the inputs (variation, new-with-ben, ben-plus-other, no-face), defaults to 3 variants, and asks at most one question. Uses reference images as the identity anchor (a current photo of Ben from refs/, p.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# YouTube Thumbnail Generate
One-shot thumbnail generation. Takes a concept (plus optional reference image and count), infers everything else, ships 3 variants and a manifest.
## Inputs
Two things, ideally both in the user's first message:
1. **Concept** — what the thumbnail should show. A sentence or phrase. ("Claude Code Skills, why it changes everything for solo founders")
2. **Reference image(s)** (optional but recommended, may be multiple) — a past thumbnail, a photo of Ben, a second subject, a style anchor, a real logo PNG, or any combination. Determines the mode AND ALL of them must be passed into the generation. Never silently drop a user-supplied reference; if they gave you one, it has to end up in `medias[]`. If they gave you a LIST, read EVERY image in the list, then pass every relevant one to `medias[]` (don't pre-select just one). Also: every reference image MUST be visually read (via the `Read` tool on the file path) before the prompt is built, so the prompt captures each reference's actual style, texture, palette, composition, and recurring motifs rather than relying only on the style spec defaults.
…Read the whole file at its exact version.
How to install
mdr add naveedharri/benai-skills/youtube-thumbnail-generate@git:20260916.a3b1e15mdr add naveedharri/benai-skills/youtube-thumbnail-generate@sha256:57baa3e62ea62340Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_fr5ixqloxupvbmde)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260916.a3b1e15 latest | 2026-09-16 | a3b1e15 | 17,532 B | A | view · diff |
| git:20260627.94fdd8b | 2026-06-27 | 94fdd8b | 17,501 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (17532 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
naveedharri/benai-skills · 65 stars · license MIT · pushed 2026-09-16 · branch develop
API
GET https://markdownregistry.com/api/v1/artifacts/art_fr5ixqloxupvbmde GET https://markdownregistry.com/api/v1/resolve?ref=naveedharri/benai-skills/youtube-thumbnail-generate GET https://markdownregistry.com/api/v1/blob/57baa3e62ea6234039fe41388bc45fa75c1ee53ea563deec733325fd5fb11765
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