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polyrouter: Skill for Claude Code

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

ss-update is a skill for Claude Code from izzoa/polyrouter. It costs 17 tokens per session (1,772 once invoked), scanned B, original, AGPL-3.0.

A skill for checking which parts of the StyleSeed engine are out of date and updating them safely. The input does not explain the engine, the update process, or the specific changes it can make.

In plain words
What is it for?
Use it when you need to assess or update a StyleSeed engine in a project.
Why use it?
The available description is too limited to identify a more specific problem it removes.

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 B scan 17 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-update/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-update

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/izzoa/polyrouter/ss-update"><img src="https://agentmods.dev/badge/skills/izzoa/polyrouter/ss-update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,772 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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 $0.00017 $0.01772
Opus 5.5 $0.00007 $0.00709
Sonnet 5.5 $0.00003 $0.00354
Haiku 4.5 $0.00002 $0.00177

Measured 2mo ago against content hash 8b24f57ceb34, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

ss-update scanned grade B with 2 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.

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

find . -path "*/.claude/skills/ss-*" -o -path "*/.claude/skills/ui-*" -o -path "*/.claude/skills/ux-*" | head -20

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s https://styleseed-demo.vercel.app/version.json
.agents/skills/ss-update/SKILL.md · 177 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 · 177 lines · 17 tokens per session scan B 8b24f57ceb34

Subscribe to this mod's changes

ss-update is a skill published in the GitHub repository izzoa/polyrouter (25 stars, last pushed 4d ago), licensed AGPL-3.0. It adds 17 tokens to every session and 1,772 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 2 findings (enumerates other installed skills, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

aianthropicbyokgatewayhermesopen-source
Related

ss-update compared with skills from other repositories

ss-update next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ss-updateizzoa/polyrouterSkill254d agoAGPL-3.0B17Claude Code
contactsvellum-ai/vellum-assistantSkill1.5k2d agoMITA14Claude Code, Codex
app-buildervellum-ai/vellum-assistantSkill1.5k2d agoMITA162Claude Code, Codex
gmailvellum-ai/vellum-assistantSkill1.5k2d agoMITA20Claude Code, Codex
guardian-verify-setupvellum-ai/vellum-assistantSkill1.5k2d agoMITA26Claude Code, Codex
stripe-link-walletvellum-ai/vellum-assistantSkill1.5k2d agoMITA52Claude Code, Codex
schedulevellum-ai/vellum-assistantSkill1.5k2d agoMITA27Claude Code, Codex