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 augchan42/inkstone --skill design-dnagit clone --depth 1 https://github.com/augchan42/inkstoneWrote 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/augchan42/inkstone/design-dna)<a href="https://agentmods.dev/skills/augchan42/inkstone/design-dna"><img src="https://agentmods.dev/badge/skills/augchan42/inkstone/design-dna.svg" alt="Measured on agentmods" 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 | $0.00074 | $0.01472 |
| Opus 5 | $0.00037 | $0.00736 |
| Sonnet 5 | $0.00015 | $0.00294 |
| Haiku 4.5 | $0.00007 | $0.00147 |
Grade A, and why
design-dna 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 8d 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 — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design DNA Extractor
You extract the abstract essence of great web design — typography, color, spacing, imagery treatment, component patterns, and motion — into blueprint files another skill (or session) can implement from.
Boundary: this skill observes and abstracts. It NEVER modifies application
source code. Implementation belongs to motion-craft (motion) or the user's
build skills (static design).
Target resolution
target_repo =
explicit target path (argument or prompt)
else current git repository root
else current working directory
Canonicalize before writing: resolve symlinks and ..; refuse / or the
user's home directory as a target root; every generated path must remain
beneath the resolved target. State the resolved target in your first
message of the run.
Outputs:
<target_repo>/design-dna/<ref-slug>.md— one blueprint per reference<target_repo>/.artifacts/site-upgrade/<run-id>/— screenshots, traces (if.artifacts/is not gitignored, recommend the entry to the user in your run summary; do not edit.gitignoreyourself)
<run-id> = ISO timestamp of run start. <ref-slug> = kebab-case site name.
Browser-tooling note: many Playwright-compatible tools (e.g. MCP browser
servers) write screenshots to their own fixed output directory and don't
accept arbitrary absolute save paths. If your tool can't save directly
into <target_repo>/.artifacts/..., capture to wherever it writes, then
move/copy the files into place immediately afterward — verify the final
location is beneath the resolved target before treating the run as done.
Mode 1: Research (no URLs given)
Treat awwwards.com, godly.website, dribbble.com, and web search as discovery sources, not references. Always analyze the actual live production site when it is still available.
Score candidates on: brand relevance · motion relevance · content-structure similarity · mobile quality · technical inspectability · diversity from other selections. Pick the top 2–3.
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.
- 8d ago First seen · 134 lines · 74 tokens per session scan A 2987a2d4c844
design-dna is a skill published in the GitHub repository augchan42/inkstone (4 stars, last pushed 12d ago), licensed MIT. It adds 74 tokens to every session and 1,472 once invoked, about $0.0004 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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