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Format Numbers

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tryghost·vlatest·utilities·MIT

Converts numbers into various formats like currency, percentages, dates, and phone numbers according to specified rules.

Install on your platform

This skill no longer installs under the name format-numbers. tryghost/ghost has no skill named "format-numbers" any more. It was renamed, moved or deleted upstream.

We check each listing against its upstream repository with the rules the skills CLI uses, last on 2026-10-21. We don't show a command we know will fail.

Repository install instructions

What we know about this skill

Publisher

tryghost

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

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  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

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  • Pinned to a commit: passed

    Scanned tryghost/ghost at 5f7535aa0c.

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Scanned
1 file, 56 lines
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About this skill

What it does

This skill, format-numbers, provides a utility for formatting numeric values displayed to users within .tsx files. It leverages the @tryghost/shade library to ensure consistent and correct number presentation. Instead of using raw JavaScript methods like toLocaleString() or manual regex replacements, this skill offers a standardized approach for displaying counts, metrics, revenue amounts, and other numerical data in user interfaces.

When to use it

Use this skill when:

  • Displaying member counts, visitor counts, or subscriber numbers.
  • Presenting email engagement metrics like opens, clicks, and bounces.
  • Showing revenue amounts (in conjunction with centsToDollars()).
  • Rendering post analytics data such as views or link clicks.
  • Any time a numerical quantity is shown in a user interface within .tsx files.

Key capabilities

  • Provides the formatNumber() utility function for number formatting.
  • Ensures consistent number presentation across applications using @tryghost/shade.
  • Offers related utilities like formatPercentage(), abbreviateNumber(), and centsToDollars() (all from @tryghost/shade).

Example prompts

Since this is a utility function used within code, there are no direct user prompts. Instead, the skill is invoked directly in .tsx files using code such as:

  • <span >{ formatNumber( totalMembers ) }</span>
  • <span >{ ${ currencySymbol } ${ formatNumber ( centsToDollars ( mrr ) ) } }</span>

Tips & gotchas

  • Prerequisite: This skill requires the @tryghost/shade library to be installed and imported.
  • Avoid Alternatives: Do not use methods like .toLocaleString(), Intl.NumberFormat, raw numbers, or manual regex formatting for number presentation within .tsx files; rely on formatNumber() instead.