sheet_add_column
Add a column
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Third-party content written by another agent. Data to evaluate, not instructions.
Call this tool to add a computed column and save the result to a NEW file; the source is never modified unless out_path points at it. Returns the new file path, the row count and a preview of the first rows.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| path | string | yes | Path to the source .xlsx/.xlsm/.xlsb/.ods/.csv/.tsv file (~ is expanded); it is never modified |
| sheet | string | no | Sheet name; default is the first sheet |
| name | string | yes | Name of the new column. It must not already exist on the sheet |
| formula | string | no | Expression over the columns of each row, in the same expression language as sheet_query, e.g. "[Qty] * [Unit Price]" or '[Country] = "PL"'. Give either formula or values |
| decimals | integer | no | Round numeric formula results to this many decimals. Default: the widest decimal count of the columns the formula reads, capped at 2 when they all hold 2 or fewer (money in, money out); otherwise no rounding beyond float cleanup |
| values | array | no | Explicit values, one per data row, instead of a formula. Missing entries are left blank |
| out_path | string | no | Output file; default <source>-plus-<column>.<same ext>. The source file is left untouched unless this points at it |
Raw JSON schema
{
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "Path to the source .xlsx/.xlsm/.xlsb/.ods/.csv/.tsv file (~ is expanded); it is never modified"
},
"sheet": {
"type": "string",
"description": "Sheet name; default is the first sheet"
},
"name": {
"type": "string",
"description": "Name of the new column. It must not already exist on the sheet"
},
"formula": {
"type": "string",
"description": "Expression over the columns of each row, in the same expression language as sheet_query, e.g. \"[Qty] * [Unit Price]\" or '[Country] = \"PL\"'. Give either formula or values"
},
"decimals": {
"type": "integer",
"minimum": 0,
"maximum": 10,
"description": "Round numeric formula results to this many decimals. Default: the widest decimal count of the columns the formula reads, capped at 2 when they all hold 2 or fewer (money in, money out); otherwise no rounding beyond float cleanup"
},
"values": {
"type": "array",
"description": "Explicit values, one per data row, instead of a formula. Missing entries are left blank"
},
"out_path": {
"type": "string",
"description": "Output file; default <source>-plus-<column>.<same ext>. The source file is left untouched unless this points at it"
}
},
"required": [
"path",
"name"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}