edge-canary-split

edge-canary-split is a skill for Claude Code, Codex from Innei/SKILL. It costs 100 tokens per session (3,045 once invoked), scanned A, original, no licence file.

A deployment pattern for gradually moving an existing production website to a rewritten version hosted at a different origin, such as a new Vercel project. A canary rollout sends only some visitors to the new version before switching everyone.

In plain words
What is it for?
Use it to split traffic between two website backends behind the same domain during a framework or hosting migration. It also covers serving hashed build files from Cloudflare R2.
Why use it?
It reduces the risk of changing the whole site at once. Cookie-based routing keeps a visitor on one version, while a Cloudflare Worker and R2 handle requests and static build assets.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/innei/skill/edge-canary-split
Any agent
npx skills add Innei/SKILL --skill edge-canary-split
Clone the repo
git clone --depth 1 https://github.com/Innei/SKILL

Made for: Claude Code, Codex.

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 edge-canary-split

README.md
[![agentmods](https://agentmods.dev/badge/skills/innei/skill/edge-canary-split.svg)](https://agentmods.dev/skills/innei/skill/edge-canary-split)
Your own site
<a href="https://agentmods.dev/skills/innei/skill/edge-canary-split"><img src="https://agentmods.dev/badge/skills/innei/skill/edge-canary-split.svg" alt="Measured on agentmods" height="20"></a>
Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,045 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00100 $0.03045
Opus 5 $0.00050 $0.01522
Sonnet 5 $0.00020 $0.00609
Haiku 4.5 $0.00010 $0.00304

Measured 4d ago against content hash 67a315dd3479, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

edge-canary-split scanned grade A with 1 finding 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 4d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (references/worker.example.ts, scripts/upload-static-assets.ts), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

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

curl lies here — see pitfalls. Drive a real browser: force `?_canary=1`,
skills/infrastructure/edge-canary-split/SKILL.md · 214 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

3 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.

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. 4d ago First seen · 214 lines · 100 tokens per session scan A 67a315dd3479

Subscribe to this mod's changes

edge-canary-split is a skill published in the GitHub repository Innei/SKILL (78 stars, last pushed 13d ago), with no licence file. It adds 100 tokens to every session and 3,045 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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