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polyrouter: Skill for Claude Code

.agents/skills/ss-build/SKILL.md

ss-build is a skill for Claude Code from izzoa/polyrouter. It costs 69 tokens per session (1,591 once invoked), scanned A, original, AGPL-3.0.

A workflow for building an interface screen from the StyleSeed reference design, then checking and correcting it until it reaches the required quality score.

In plain words
What is it for?
Use it to create screens while following the StyleSeed look, evaluate the result, and fix issues until the required score is met.
Why use it?
It turns design rules into a repeatable build-and-check process and helps catch visual problems before the result is shown.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: installed under .agents/ (shared by several agents).

This is izzoa/polyrouter's own configuration. It tells Claude Code how to work on polyrouter itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything polyrouter configures →

not rated 25repo 4d ago A scan 69 tokens AGPL-3.0
View source ↗ izzoa/polyrouter polyrouter.app
Reuse

Borrowing it

Nothing to install: this file belongs to izzoa/polyrouter. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/izzoa/polyrouter/main/.agents/skills/ss-build/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/izzoa/polyrouter

Made for: Claude Code.

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 ss-build

README.md
[![agentmods](https://agentmods.dev/badge/skills/izzoa/polyrouter/ss-build/github.svg)](https://agentmods.dev/skills/izzoa/polyrouter/ss-build)
Your own site
<a href="https://agentmods.dev/skills/izzoa/polyrouter/ss-build"><img src="https://agentmods.dev/badge/skills/izzoa/polyrouter/ss-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.

agentmods 80×15 button for ss-build

Your own site · 80×15
<a href="https://agentmods.dev/skills/izzoa/polyrouter/ss-build"><img src="https://agentmods.dev/badge/skills/izzoa/polyrouter/ss-build.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,591 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 unknown 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 $0.00069 $0.01591
Opus 5.5 $0.00028 $0.00636
Sonnet 5.5 $0.00014 $0.00318
Haiku 4.5 $0.00007 $0.00159

Measured 2mo ago against content hash f5f46d5a9eb9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ss-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 2mo 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.

.agents/skills/ss-build/SKILL.md · 107 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 2mo ago First seen · 107 lines · 69 tokens per session scan A f5f46d5a9eb9

Subscribe to this mod's changes

ss-build is a skill published in the GitHub repository izzoa/polyrouter (25 stars, last pushed 4d ago), licensed AGPL-3.0. It adds 69 tokens to every session and 1,591 once invoked, about $0.0003 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 2026-08-30.

Design and UXaianthropicbyokgatewayhermesopen-source
Related

ss-build compared with skills from other repositories

ss-build next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ss-buildizzoa/polyrouterSkill254d agoAGPL-3.0A69Claude Code
visualizevellum-ai/vellum-assistantSkill1.5k2d agoMITA57Claude Code, Codex
vellum-workspace-themevellum-ai/vellum-assistantSkill1.5k2d agoMITA72Claude Code, Codex
vellum-avatarvellum-ai/vellum-assistantSkill1.5k2d agoMITA24Claude Code, Codex
screen-annotationvellum-ai/vellum-assistantSkill1.5k2d agoMITA15Claude Code, Codex
qiaomu-mondo-poster-designnexu-io/nexuSkill3.3k6mo agoMITB247Claude Code, Codex
build-web-previewRyosukeSAMA/github-aiSkill52d agoMITA34Codex