Agent skill

Moonpay Price Alerts

by moonpay in moonpay/skills

Set up desktop price alerts that notify you when tokens hit target prices.

MITAuto-check: notesBusiness, Finance & HR

Install Moonpay Price Alerts

skills CLI
$ npx skills add moonpay/skills --skill moonpay-price-alerts -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install moonpay/skills moonpay-price-alerts --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/moonpay/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/moonpay-price-alerts .claude/skills/moonpay-price-alerts && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
moonpay-price-alerts
GitHub stars
113
Token cost
~1.2k tokens
SKILL.md length
255 words
Files
1
Skills in repo
39
Repo updated
First seen
Licence
MIT

At a glance

Set up desktop price alerts that notify you when tokens hit target prices.

  • Tasks that involve Trading and backtesting
  • SKILL.md covers Goal, Prerequisites, One-shot alert and Recurring alert, plus 3 more sections
  • Calls jq, osascript and apt; reaches apple.com

What it does

Moonpay Price Alerts is an agent skill from moonpay/skills. Set up desktop price alerts that notify you when tokens hit target prices. Observe-only — no trading, just notifications.

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Business, Finance & HR, covering Trading and backtesting. The repository describes itself as: Skills for AI agents to move money — on-ramps, swaps, wallets, deposits, and more via the MoonPay CLI. The licence is MIT.

When your agent uses it

  • Tasks that involve Trading and backtesting

Example prompts

  • “/moonpay-price-alerts”

What it can do on your machine

Read from SKILL.md and the folder at commit aa672ab. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • jq
    • osascript
    • apt

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • apple.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Moonpay Price Alerts loads about 1.2k tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 255 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteRuns commands with sudoSKILL.md:17
    pt` (built-in) or Linux: `notify-send` (`sudo apt install libnotify-bin`)

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from moonpay/skills at commit aa672ab, republished under its MIT licence (© moonpay). 255 words, ~1,248 tokens.

Download SKILL.mdSave it as .claude/skills/moonpay-price-alerts/SKILL.md (or your agent's skills folder).
name
moonpay-price-alerts
description
Set up desktop price alerts that notify you when tokens hit target prices. Observe-only — no trading, just notifications.
tags
alerts, research

Price alerts

Goal

Monitor token prices and get desktop notifications when they cross a threshold. Uses mp token search for price checks and OS notifications (osascript/notify-send) for alerts. Observe-only — no funds at risk.

Prerequisites

  • mp binary on PATH: which mp
  • jq installed: which jq
  • macOS: osascript (built-in) or Linux: notify-send (sudo apt install libnotify-bin)

One-shot alert

"Tell me when SOL drops below $80" — checks every 5 minutes, fires once, then disables itself.

Script: ~/.config/moonpay/scripts/alert-sol-below-80.sh
bash
#!/bin/bash
set -euo pipefail

MP="$(which mp)"
LOG="$HOME/.config/moonpay/logs/alerts.log"
mkdir -p "$(dirname "$LOG")"
log() { echo "[$(date -u +%Y-%m-%dT%H:%M:%SZ)] $*" >> "$LOG"; }

# --- Config ---
TOKEN="So11111111111111111111111111111111111111111"
CHAIN="solana"
SYMBOL="SOL"
TARGET=80
DIRECTION="below"  # "above" or "below"
SCRIPT_NAME="alert-sol-below-80"

# --- Check price ---
PRICE=$("$MP" --json token search --query "$SYMBOL" --chain "$CHAIN" | jq -r '.items[0].marketData.price')

if [ -z "$PRICE" ] || [ "$PRICE" = "null" ]; then
  log "ALERT $SCRIPT_NAME: price fetch failed, skipping"
  exit 0
fi

# --- Compare ---
TRIGGERED=false
if [ "$DIRECTION" = "below" ] && (( $(echo "$PRICE < $TARGET" | bc -l) )); then
  TRIGGERED=true
elif [ "$DIRECTION" = "above" ] && (( $(echo "$PRICE > $TARGET" | bc -l) )); then
  TRIGGERED=true
fi

if [ "$TRIGGERED" = true ]; then
  MSG="$SYMBOL is $DIRECTION \$$TARGET — currently \$$PRICE"
  log "ALERT $SCRIPT_NAME: $MSG"

  # Desktop notification
  if [[ "$OSTYPE" == "darwin"* ]]; then
    osascript -e "display notification \"$MSG\" with title \"MoonPay Alert\" sound name \"Glass\""
  else
    notify-send "MoonPay Alert" "$MSG"
  fi

  # Self-disable (one-shot)
  if [[ "$OSTYPE" == "darwin"* ]]; then
    launchctl unload "$HOME/Library/LaunchAgents/com.moonpay.${SCRIPT_NAME}.plist" 2>/dev/null || true
  else
    crontab -l | grep -v "$SCRIPT_NAME" | crontab -
  fi
  log "ALERT $SCRIPT_NAME: disabled after trigger"
else
  log "ALERT $SCRIPT_NAME: $SYMBOL at \$$PRICE — not triggered ($DIRECTION $TARGET)"
fi
Schedule

Check every 5 minutes:

bash
# cron (Linux)
*/5 * * * * ~/.config/moonpay/scripts/alert-sol-below-80.sh # moonpay:alert-sol-below-80

# launchd (macOS) — use StartInterval of 300 seconds in the plist

Launchd plist at ~/Library/LaunchAgents/com.moonpay.alert-sol-below-80.plist:

xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Label</key>
  <string>com.moonpay.alert-sol-below-80</string>
  <key>ProgramArguments</key>
  <array>
    <string>/bin/bash</string>
    <string>/Users/USERNAME/.config/moonpay/scripts/alert-sol-below-80.sh</string>
  </array>
  <key>StartInterval</key>
  <integer>300</integer>
  <key>StandardErrorPath</key>
  <string>/Users/USERNAME/.config/moonpay/logs/alert-sol-below-80.err</string>
</dict>
</plist>

Load: launchctl load ~/Library/LaunchAgents/com.moonpay.alert-sol-below-80.plist

Important: Replace USERNAME with the actual username. Tilde does not expand in plist files.

Recurring alert

"Alert me every hour while ETH is above $2000" — keeps firing on each check, doesn't self-disable.

Same script as above but remove the self-disable block. The alert fires every time the condition is met, until the user manually removes it.

Managing alerts

List active alerts
bash
# macOS
launchctl list | grep moonpay

# Linux
crontab -l | grep moonpay
Remove an alert
bash
# macOS
launchctl unload ~/Library/LaunchAgents/com.moonpay.alert-sol-below-80.plist
rm ~/Library/LaunchAgents/com.moonpay.alert-sol-below-80.plist

# Linux
crontab -l | grep -v "alert-sol-below-80" | crontab -
View alert history
bash
tail -50 ~/.config/moonpay/logs/alerts.log

Tips

  • Price checks via mp token search are free — no gas costs
  • 5-minute intervals are reasonable; don't go below 1 minute
  • Use mp token search --query "SOL" --chain solana to resolve token addresses
  • Alerts log to ~/.config/moonpay/logs/alerts.log — check this to verify they're running
  • The machine must be logged in for notifications and keychain access to work
  • bc -l handles decimal comparison; if unavailable, use awk "BEGIN {exit !($PRICE < $TARGET)}"
  • This skill is observe-only — for automated buying/selling, see moonpay-trading-automation
  • moonpay-trading-automation — Automated trading (DCA, limit orders, stop losses)
  • moonpay-discover-tokens — Research tokens and get current prices
  • moonpay-check-wallet — Check portfolio before setting alerts

© moonpay, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/moonpay-price-alerts of moonpay/skills.

Open the folder on GitHubat commit aa672ab

Compare with similar skills

Moonpay Price Alerts next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Moonpay Price Alerts compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Moonpay Price Alerts this skillmoonpay/skills113—~1.2kAutomated safety check: NotesMIT
Tushare Datazillionare/zillionare3222 repos~2.3kAutomated safety check: PassNone
Tradingview MCPatilaahmettaner/tradingview-mcp5k—~1.3kAutomated safety check: PassMIT
Digital Oraclekomako-workshop/digital-oracle878—~5.9kAutomated safety check: PassMIT
Polyclawchainstacklabs/polyclaw3591 repos~2kAutomated safety check: PassApache-2.0
Markdownfacioquo/stock-indicators-dotnet1.2k—~812Automated safety check: PassApache-2.0

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Questions about Moonpay Price Alerts

What does Moonpay Price Alerts do?

Set up desktop price alerts that notify you when tokens hit target prices. Moonpay Price Alerts is an agent skill from moonpay/skills. Set up desktop price alerts that notify you when tokens hit target prices.

When should I use Moonpay Price Alerts?

Moonpay Price Alerts fits situations like: tasks that involve Trading and backtesting.

How do I install Moonpay Price Alerts in Claude Code?

Run `npx skills add moonpay/skills --skill moonpay-price-alerts -a claude-code`. Or copy the skill folder (skills/moonpay-price-alerts in moonpay/skills) into .claude/skills/moonpay-price-alerts in your project. Claude Code loads it when a task matches its description.

How do I install Moonpay Price Alerts in Codex?

Run `npx skills add moonpay/skills --skill moonpay-price-alerts -a codex`. Or copy the skill folder (skills/moonpay-price-alerts in moonpay/skills) into .agents/skills/moonpay-price-alerts in your project. Codex loads it when a task matches its description.

Can I use Moonpay Price Alerts in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add moonpay/skills --skill moonpay-price-alerts -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/moonpay-price-alerts, .gemini/skills/moonpay-price-alerts, .github/skills/moonpay-price-alerts and .opencode/skills/moonpay-price-alerts in your project.

What does Moonpay Price Alerts need to run?

Going by SKILL.md and its folder, Moonpay Price Alerts needs the command-line tools its instructions call (jq, osascript and apt).

Does Moonpay Price Alerts access the network?

SKILL.md names 1 domain. In commands or code: apple.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Moonpay Price Alerts safe to install?

Our automated static check of SKILL.md found notes only (runs commands with sudo), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Moonpay Price Alerts use?

Moonpay Price Alerts is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Moonpay Price Alerts use?

About 1.2k tokens (SKILL.md is roughly 5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Moonpay Price Alerts?

Skills that share tags, products or a category with Moonpay Price Alerts: Tushare Data (zillionare/zillionare, 322 stars), Tradingview MCP (atilaahmettaner/tradingview-mcp, 5k stars), Digital Oracle (komako-workshop/digital-oracle, 878 stars) and Polyclaw (chainstacklabs/polyclaw, 359 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Moonpay Price Alerts?

moonpay (a GitHub organization) maintains it in moonpay/skills, which has 113 GitHub stars. The repository holds 39 skills in this directory. The repository was last updated on September 10, 2026.

Source: moonpay/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.