analyzing-changes
Analyzes code changes, detects documentation drift, and evaluates change impact scope. Use when reviewing diffs, checking doc…
@telagodInstall SkillDevelopment
Skill
/analyzing-spreadsheets
Processes Excel spreadsheet files (.xlsx, .xlsm, .csv). Creates workbooks, builds formulas, preserves formatting, analyzes tabular data, and validates financial models with zero-formula-error delivery. Use when working with spreadsheet files or tabular data analysis. Do NOT use
Claude Code
$ npx -y skills add telagod/code-abyss --skill analyzing-spreadsheets --agent claude-code
Codex
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a codex -y
Cursor
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a cursor -y
Gemini CLI
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a gemini-cli -y
GitHub Copilot
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a github-copilot -y
OpenCode
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a opencode -y
Windsurf
$ npx skills add telagod/code-abyss --skill analyzing-spreadsheets -a windsurf -y
SKILL.md
analyzing-spreadsheets.SKILL.mdname: analyzing-spreadsheets
description: Processes Excel spreadsheet files (.xlsx, .xlsm, .csv). Creates workbooks, builds formulas, preserves formatting, analyzes tabular data, and validates financial models with zero-formula-error delivery. Use when working with spreadsheet files or tabular data analysis. Do NOT use for Word documents, PDFs, presentations, or database pipelines.
user-invocable: false
allowed-tools: Bash, Read, Write, Edit, Glob
argument-hint: <file.xlsx | task>
XLSX Processing
Create, edit, analyze `.xlsx` files. LibreOffice required for formula recalculation via `recalc.py`.
Iron Rule
**Zero formula errors at delivery.** All formulas must compute — no `#REF!`, `#DIV/0!`, `#VALUE!`, `#N/A`, `#NAME?`. Always run `recalc.py` after writing formulas.
Decision Matrix
| Task | Tool | Reference | |------|------|-----------| | Data analysis, bulk ops, simple export | pandas | [recipes.md](references/recipes.md) | | Formulas, formatting, Excel features | openpyxl | [recipes.md](references/recipes.md) | | Financial model standards | — | [financial-model.md](references/financial-model.md) | | Recalculate formulas | `recalc.py` | [recipes.md](references/recipes.md) |
Common Workflow
1. **Choose tool**: pandas for data, openpyxl for formulas/formatting 2. **Create/Load** workbook 3. **Modify** data, formulas, formatting 4. **Save** 5. **Recalculate** (MANDATORY if formulas): `python recalc.py output.xlsx` 6. **Verify & fix errors** — check JSON output, fix `#REF!` / `#DIV/0!` / `#VALUE!` / `#NAME?`
Hard Constraints
- **Use formulas, not hardcoded values** — calculations stay dynamic. See [recipes.md](references/recipes.md#critical-use-formulas-not-hardcoded-values).
- **Preserve existing templates** — match existing format/style EXACTLY when updating; user template overrides defaults.
- **Financial models** — follow color/format conventions in [financial-model.md](references/financial-model.md).
Code Style
- Concise Python, no unnecessary comments or print statements.
- Excel files: comment cells with complex formulas, document hardcode sources.
Read more
name: analyzing-spreadsheets description: Processes Excel spreadsheet files (.xlsx, .xlsm, .csv). Creates workbooks, builds formulas, preserves formatting, analyzes tabular data, and validates financial models with zero-formula-error delivery. Use when working with spreadsheet files or tabular data analysis. Do NOT use for Word documents, PDFs, presentations, or database pipelines. user-invocable: false allowed-tools: Bash, Read, Write, Edit, Glob argument-hint: <file.xlsx | task>
XLSX Processing
Create, edit, analyze `.xlsx` files. LibreOffice required for formula recalculation via `recalc.py`.
Iron Rule
**Zero formula errors at delivery.** All formulas must compute — no `#REF!`, `#DIV/0!`, `#VALUE!`, `#N/A`, `#NAME?`. Always run `recalc.py` after writing formulas.
Decision Matrix
| Task | Tool | Reference | |------|------|-----------| | Data analysis, bulk ops, simple export | pandas | [recipes.md](references/recipes.md) | | Formulas, formatting, Excel features | openpyxl | [recipes.md](references/recipes.md) | | Financial model standards | — | [financial-model.md](references/financial-model.md) | | Recalculate formulas | `recalc.py` | [recipes.md](references/recipes.md) |
Common Workflow
1. **Choose tool**: pandas for data, openpyxl for formulas/formatting 2. **Create/Load** workbook 3. **Modify** data, formulas, formatting 4. **Save** 5. **Recalculate** (MANDATORY if formulas): `python recalc.py output.xlsx` 6. **Verify & fix errors** — check JSON output, fix `#REF!` / `#DIV/0!` / `#VALUE!` / `#NAME?`
Hard Constraints
- **Use formulas, not hardcoded values** — calculations stay dynamic. See [recipes.md](references/recipes.md#critical-use-formulas-not-hardcoded-values).
- **Preserve existing templates** — match existing format/style EXACTLY when updating; user template overrides defaults.
- **Financial models** — follow color/format conventions in [financial-model.md](references/financial-model.md).
Code Style
- Concise Python, no unnecessary comments or print statements.
- Excel files: comment cells with complex formulas, document hardcode sources.
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Language
MIT
License
Last commit
Created
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Questions about analyzing-spreadsheets.
- Which coding agents can use analyzing-spreadsheets?
- analyzing-spreadsheets installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.