Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add ZachArticulateV/designer-pro-and-seo --skill parallel-buildgit clone --depth 1 https://github.com/ZachArticulateV/designer-pro-and-seoWrote 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/zacharticulatev/designer-pro-and-seo/parallel-build)<a href="https://agentmods.dev/skills/zacharticulatev/designer-pro-and-seo/parallel-build"><img src="https://agentmods.dev/badge/skills/zacharticulatev/designer-pro-and-seo/parallel-build/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/zacharticulatev/designer-pro-and-seo/parallel-build"><img src="https://agentmods.dev/badge/skills/zacharticulatev/designer-pro-and-seo/parallel-build.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 | $0.00117 | $0.00830 |
| Opus 5 | $0.00059 | $0.00415 |
| Sonnet 5 | $0.00023 | $0.00166 |
| Haiku 4.5 | $0.00012 | $0.00083 |
Grade A, and why
parallel-build 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 11d 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 — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.
parallel-build
Family: build-and-qa Status: Stable
Purpose
The multi-variant build primitive: instead of one prompt → one site, spawn N sub-agents (default 3), each in its own worktree/folder, each given a different inspiration source but the same brief and the same design tokens. The user gets a side-by-side comparison and cherry-picks the best sections into a merged final.
Triggers
- "parallel build" / "build three versions" / "spin up variants"
- "make 3 sites at once" / "side-by-side build"
- "different design flavors to compare"
Inputs
- Target (business/page/client) + the brief
- N variants (default 3) and N inspiration sources (one per variant;
html-extractcan supply them) - Output mode: git worktrees | sibling folders
Steps
- Capture the brief and the N inspiration sources.
- Generate shared tokens once with
design-system-genso all variants share a coherent palette/type/effects — consistency across variants, distinctiveness via inspiration + layout. - Create N output locations — git worktrees (one per variant) or, if git isn't
available, sibling folders
variant-1/ … variant-N/. - Dispatch N build sub-agents in parallel behind the shared-token barrier — each
runs the
design-buildskill with the same brief + the one shared token set from step 2, differing only by inspiration source. (design-buildis an orchestrator, so each variant runs it as a skill inside its own sub-agent — not as a dispatched-leaf agent; the barrier guarantees every variant shares one palette/type/effects system.) One-shot each (iterate only if needed). - Collect outputs and render a side-by-side comparison. When Playwright is
connected, fan out one
design-visual-qaagent per variant for screenshot capture and cross-variant diffs; otherwise render a structured comparison summary. - Cherry-pick + merge. The user picks sections from each; assemble the final and
run
qa-gatebefore delivery.
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.
- 11d ago First seen · 75 lines · 117 tokens per session scan A 46f06a45b748
parallel-build is a skill published in the GitHub repository ZachArticulateV/designer-pro-and-seo (8 stars, last pushed 2mo ago), licensed MIT. It adds 117 tokens to every session and 830 once invoked, about $0.0006 per session on Opus 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 2026-08-31.
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