# Canary

> Generate a curl-based canary watcher script for a deployed URL. Validates URL is http/https, status code is 100-599, interval is 5-86400 seconds. The generated script supports one-shot (default) and --watch (continuous loop) modes. Wire into cron or a CI scheduled job. Run as `node ~/.claude/skills/dragoon/skills/canary/scripts/canary.js <url>`.

- **Type:** Skill
- **Install:** `agentstack add skill-dragoon0x-dragoon-skills-canary`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [Dragoon0x](https://agentstack.voostack.com/s/dragoon0x)
- **Installs:** 0
- **Category:** [Developer Tools](https://agentstack.voostack.com/c/developer-tools)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [Dragoon0x](https://github.com/Dragoon0x)
- **Source:** https://github.com/Dragoon0x/dragoon-skills/tree/main/skills/canary

## Install

```sh
agentstack add skill-dragoon0x-dragoon-skills-canary
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# /canary

Lightweight uptime watcher.

## When to use

- After deploying, to watch the new release
- Before a major event, as a heartbeat
- The user says "set up a watcher", "monitor X URL"

## What it produces

`scripts/canary.sh` that uses curl. zero install. supports:

```
bash scripts/canary.sh           # one-shot, exits 0/1
bash scripts/canary.sh --watch   # continuous loop
```

## Run it

```
dragoon canary https://example.com --apply
dragoon canary https://example.com --status 204 --interval 30 --apply
```

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [Dragoon0x](https://github.com/Dragoon0x)
- **Source:** [Dragoon0x/dragoon-skills](https://github.com/Dragoon0x/dragoon-skills)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** yes
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-dragoon0x-dragoon-skills-canary
- Seller: https://agentstack.voostack.com/s/dragoon0x
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.