Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add a8cteam51/claude-code-plugins/plugin install sp-site-design-harnessWrote 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/a8cteam51/claude-code-plugins/publish-design-options)<a href="https://agentmods.dev/skills/a8cteam51/claude-code-plugins/publish-design-options"><img src="https://agentmods.dev/badge/skills/a8cteam51/claude-code-plugins/publish-design-options/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/a8cteam51/claude-code-plugins/publish-design-options"><img src="https://agentmods.dev/badge/skills/a8cteam51/claude-code-plugins/publish-design-options.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 | $0.00020 | $0.03627 |
| Opus 5.5 | $0.00008 | $0.01451 |
| Sonnet 5.5 | $0.00004 | $0.00725 |
| Haiku 4.5 | $0.00002 | $0.00363 |
Grade A, and why
publish-design-options scanned grade A with 0 findings 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 17d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 353 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Publish design options
Package the completed HTML design options into a single private Spacefast space with a minimal index page, and hand the user one shareable Access URL.
Arguments (optional): $ARGUMENTS — a directory containing the options, or an
explicit list of entry HTML files. Supplying a path is the most reliable
invocation; without it, discovery is inferred and must be confirmed.
Read the publish-to-spacefast skill before publishing. Do not
reimplement its API handling — this skill delegates all publish mechanics to
the Spacefast CLI.
Standing constraints — do not deviate without being asked:
- The space is private. Report the Access URL only. Never run a public share grant.
- One space per project, reused across runs; each run is a new immutable version.
- Never handle a token. The CLI reads its own credential store. Do not read the
macOS keychain,
~/.spacefast/, or any auth file. - Never fall back to an anonymous publish — anonymous receipts carry no
data.access, which breaks the private-link requirement. No credential means stop.
1. Resolve the scope root
$ARGUMENTS if given, else git rev-parse --show-toplevel, else $PWD.
Never $HOME, never /.
2. Discover the options
Cheapest, highest-precision signal first. Stop at the first tier that yields candidates.
- An explicit path or file list in
$ARGUMENTS. Skip scanning entirely. - HTML entry files written or edited earlier in this session. This command
runs at the end of the design work (this plugin's
create-designskill), so the transcript already names them. Prefer these; use the filesystem only to fill gaps. - Scoped scan, only if 1 and 2 are empty:
find "$ROOT" -type f -name '*.html' -maxdepth 4 \
-not -path '*/node_modules/*' -not -path '*/.git/*' -not -path '*/dist/*' \
-newermt '-24 hours'
Cap at 20 candidates. Over that, stop and ask for a path.
Classify the shape and say which one was detected:
What ships with it
2 files 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.
- 17d ago First seen · 353 lines · 20 tokens per session scan A c191456ba0a8
publish-design-options is a skill published in the GitHub repository a8cteam51/claude-code-plugins (5 stars, last pushed 2d ago), licensed MIT. It adds 20 tokens to every session and 3,627 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-29.
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