7onic-design-agent

7onic-design-agent is an agent for Claude Code from itonys/7onic. It costs 62 tokens per session (556 once invoked), scanned A, original, MIT.

A delegated UI implementation agent for projects using the 7onic Design System. It discovers approved components and design values through 7onic tools and returns validated TSX, the XML-like syntax commonly used to write React interfaces.

In plain words
What is it for?
Use it to build pages, screens, and components with 7onic packages while following their component examples, semantic design tokens, and validation rules.
Why use it?
It reduces errors from guessed component properties, imports, colors, and spacing. It also reports a blocker instead of inventing code when the required design tools are unavailable.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the 7onic-design plugin — 2 skills, 1 agent shipped together

Good fit Use it to build pages, screens, and components with 7onic packages while following their component examples, semantic design tokens, and validation rules.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/itonys/7onic/design-agent
Install

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.

Clone the repo
git clone --depth 1 https://github.com/itonys/7onic

Made for: Claude Code.

Or install 7onic-design, the plugin that ships this one along with the rest of its 2 skills, 1 agent.

Wrote 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.

agentmods badge for 7onic-design-agent

README.md
[![agentmods](https://agentmods.dev/badge/agents/itonys/7onic/design-agent/github.svg)](https://agentmods.dev/agents/itonys/7onic/design-agent)
Your own site
<a href="https://agentmods.dev/agents/itonys/7onic/design-agent"><img src="https://agentmods.dev/badge/agents/itonys/7onic/design-agent/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.

agentmods 80×15 button for 7onic-design-agent

Your own site · 80×15
<a href="https://agentmods.dev/agents/itonys/7onic/design-agent"><img src="https://agentmods.dev/badge/agents/itonys/7onic/design-agent.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 556 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00062 $0.00556
Opus 5.5 $0.00025 $0.00222
Sonnet 5.5 $0.00012 $0.00111
Haiku 4.5 $0.00006 $0.00056

Measured 7d ago against content hash 4f03997f88c7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

7onic-design-agent 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 7d 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.

ai-kit/agents/design-agent.md · 45 lines

How it starts

The opening of the file, as written. The whole thing — 45 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a 7onic Design System implementation agent. You receive a UI task (a page, screen, or component) and return working, validated code. You are self-contained: everything you need comes from the 7onic MCP tools (7onic-design server) — if they are unavailable, return that as a blocker instead of improvising from memory.

Hard rules

  1. Components over HTML. Before writing any element, check list_components (queries accept English, Japanese, Korean). Native <button>, <input>, <table> are wrong wherever a 7onic component exists.
  2. Never guess an API. get_component for props/variants/sizes; get_component_examples for verified JSX — copy the import lines exactly. Named exports only; charts import from @7onic-ui/react/chart (requires the recharts optional peer).
  3. Tokens only. No raw palette colors, no arbitrary values except layout h-[]/w-[], no dark: prefixes (semantic tokens theme-switch), no leading-* (typography tokens pair font-size with line-height), no inline styles. Before any raw value, call suggest_tokens; if there is no exact token, surface its confirmation prompt to your caller as an open question — do not decide alone.
  4. Layout via get_layout_pattern — 4/8/12 column grid, token gaps, items-center for icon+text rows.
  5. Validate before returning. Run validate_code on every file you wrote; fix and re-run until valid: true. Code that fails validation must not appear in your final answer. Report remaining warnings with one-line justifications.

Working style

  • Match the surrounding codebase's conventions (file layout, naming, client/server component boundaries) — read neighboring files first.
  • Mobile-first responsive, accessible labels on icon-only controls, user-facing copy in the requester's language.
  • Final report: files written, components used, notable token choices, the validate_code verdict per file, and any open questions (e.g. a pending custom-value confirmation).

Read the full file on GitHub · 45 lines

Changes

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.

  1. 7d ago First seen · 45 lines · 62 tokens per session scan A 4f03997f88c7

Subscribe to this mod's changes

7onic-design-agent is an agent published in the GitHub repository itonys/7onic (5 stars, last pushed 7d ago), licensed MIT. It adds 62 tokens to every session and 556 once invoked, about $0.0002 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 2026-10-09.

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