Numera workbook automation

Skill vectojs/numera-skills/skills/numera-workbook-automation

Use when an Agent must inspect, read, edit, or transform a local Numera JSON, CSV, or XLSX workbook, including cell ranges, formulas, and spreadsheet file conversion.From its SKILL.md

Install

npx -y skills add vectojs/numera-skills --skill numera-workbook-automation

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SKILL.md

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Numera Workbook Automation

Use the published Numera CLI as the file boundary. Preserve the source, inspect before mutation, express the value type explicitly, and verify the written output before reporting success.

Required workflow

Confirm numera is available. If it is missing, install the exact supported CLI: npm install --global @vectojs/[email protected].
Inspect the workbook: numera inspect workbook.xlsx.
Read the target range: numera get workbook.xlsx "Budget" A1:C10.

Write to a distinct output with exactly one value flag:

numera set workbook.xlsx "Budget" B2 \
  --formula "A2*1.2" \
  --output workbook-edited.xlsx

Read the output cell or range and check both raw and display: numera get workbook-edited.xlsx "Budget" B2.

Value flags

Intent	Flag	Example
Text	`--text`	`--text "Q3 plan"`
Number	`--number`	`--number 42.5`
Boolean	`--boolean`	`--boolean true`
Formula	`--formula`	`--formula "SUM(A1:A4)"`

Guardrails

Never pass the source path to --output, even when asked to overwrite it. Keep the source until the output has been inspected successfully.
End the operation by reporting the verified output path. Do not rename, delete, or copy the output over the source in the same operation. Replacing the original is a separate action that requires confirmation after the user has the verified output and a recovery path.
Do not substitute openpyxl, browser automation, or an ad hoc XLSX parser when the Numera CLI supports the requested local file operation.
Use an exact sheet name and A1 address/range. Correct SHEET_NOT_FOUND, INVALID_ARGUMENT, or RANGE_OUT_OF_BOUNDS; do not guess.
CSV represents one sheet and cannot preserve workbook-wide formatting or multiple sheets. Use Numera JSON or XLSX when those properties matter.
Do not use this workflow for cloud URLs, credentials, macros, encrypted workbooks, collaboration state, or implicit in-place mutation.

What ships with it: 1 file

252 B alongside SKILL.md

agents/

openai.yaml252 B