Tools

Everything Date Calculator exposes to your AI client: tools, resources and prompts.

4 capabilities4 tool

Automated heuristic

Tool docs quality: B — 4 tools graded

Average 79/100 for how clearly each description tells an AI client what the tool does, what it needs, and what it changes. It is not a security audit.

Grade A: 2
Grade B: 1
Grade C: 1
Grade D: 0
Grade F: 0

How grades work

count_daystool
Count days between two dates, optionally excluding selected weekdays and public holidays.
Description quality grade A, 90/100 · 1 to fix
- Has a description: passed20/20
  The tool has a description an AI client can read.
- Sensible length: passed20/20
  Length is in a useful range.
- Starts with what it does: passed15/15
  Opens with an action verb.
- Mentions its inputs: passed20/20
  The description mentions what the tool takes.
- Explains side effects: passed15/15
  Looks read-only, so no disclosure is required. Saying “read-only” still helps.
- Gives usage guidance: not passed0/10
  Add when to use it, what it requires, or what to use instead.
get_holidaystool
List public holidays, including observed dates, for a country and optional region, for up to 11 years per request.
Description quality grade A, 90/100 · 1 to fix
- Has a description: passed20/20
  The tool has a description an AI client can read.
- Sensible length: passed20/20
  Length is in a useful range.
- Starts with what it does: passed15/15
  Opens with an action verb.
- Mentions its inputs: passed20/20
  The description mentions what the tool takes.
- Explains side effects: passed15/15
  Looks read-only, so no disclosure is required. Saying “read-only” still helps.
- Gives usage guidance: not passed0/10
  Add when to use it, what it requires, or what to use instead.
list_locationstool
Find supported countries, regions and available years.
Description quality grade C, 60/100 · 3 to fix
- Has a description: passed20/20
  The tool has a description an AI client can read.
- Sensible length: not passed10/20
  A bit terse. One more clause about inputs or results would help.
- Starts with what it does: passed15/15
  Opens with an action verb.
- Mentions its inputs: not passed0/20
  Say what the tool needs, for example “by issue number” or “takes a file path”.
- Explains side effects: passed15/15
  Looks read-only, so no disclosure is required. Saying “read-only” still helps.
- Gives usage guidance: not passed0/10
  Add when to use it, what it requires, or what to use instead.
shift_datetool
Add or subtract years, months, weeks and days, with optional weekday and holiday exclusions.
Description quality grade B, 75/100 · 2 to fix
- Has a description: passed20/20
  The tool has a description an AI client can read.
- Sensible length: passed20/20
  Length is in a useful range.
- Starts with what it does: passed15/15
  Opens with an action verb.
- Mentions its inputs: passed20/20
  The description mentions what the tool takes.
- Explains side effects: not passed0/15
  This looks like a write action. Say what changes, and whether it can be undone.
- Gives usage guidance: not passed0/10
  Add when to use it, what it requires, or what to use instead.