google-sheets

Read, write, and format Google Sheets spreadsheets. Manage cell values, ranges, formulas, pivot tables, and charts. Use when asked to update a gsheet, edit a Google spreadsheet, add formulas, or work with spreadsheet data.

Install with Tessl CLI

npx tessl i github:odyssey4me/agent-skills --skill google-sheets

What are skills?

1.61x

Review — 92%

Does it follow best practices?

Evaluation — 92%

↑ 1.61x

Agent success when using this skill

Validation — 11 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

90%

47%

HR Employee Records Import

Error handling and batch data import

Criteria

Without context

With context

Skill script used

100%

Check command called

Pip install reference

JSON 2D array format

100%

No retry on auth error

100%

Auth error user notification

66%

100%

Auth reset suggestion

100%

Retry on transient errors

53%

100%

Sheet-qualified ranges

100%

Append auto-finds row

100%

Without context: $0.3625 · 2m 7s · 16 turns · 23 in / 7,030 out tokens

With context: $0.9592 · 2m 29s · 30 turns · 34 in / 7,931 out tokens

90%

20%

Monthly Sales Commission Calculator

Formula writing, reading, and performance

Criteria

Without context

With context

Skill script used

100%

Formulas start with =

100%

FORMULA read format

100%

Dollar-sign escaping

100%

Range aggregation

100%

No volatile functions

100%

ARRAYFORMULA usage

Sheet-qualified ranges

100%

Without context: $0.4888 · 2m 42s · 20 turns · 26 in / 9,301 out tokens

With context: $0.7443 · 2m 30s · 20 turns · 24 in / 7,870 out tokens

85%

10%

Quarterly Planning Spreadsheet Reorganization

Sheet management and range notation

Criteria

Without context

With context

Skill script used

100%

Get before delete

100%

Delete by sheet-id

100%

Quoted sheet names

Multi-tab creation

100%

Multiple commands for non-contiguous

100%

Uses values clear

100%

Without context: $0.5486 · 2m 45s · 19 turns · 26 in / 11,048 out tokens

With context: $0.8226 · 2m 52s · 22 turns · 24 in / 9,681 out tokens

92%

79%

Workstation Onboarding: Google Sheets Access Setup

OAuth setup, auth status, and credential configuration

Criteria

Without context

With context

Skill script used

100%

Auth reset first

100%

Auth setup invoked

100%

Client ID flag used

100%

Client secret flag used

100%

Auth status called

100%

Check command called

100%

Non-zero exit on failure

100%

Pip install included

Credentials not hardcoded

100%

Reset before setup order

100%

Without context: $0.5505 · 2m 7s · 24 turns · 8,736 in / 6,867 out tokens

With context: $0.5464 · 1m 40s · 25 turns · 31 in / 4,603 out tokens

100%

27%

Regional Sales Consolidation Dashboard

Cross-sheet formulas and lookup function preferences

Criteria

Without context

With context

Skill script used

100%

Cross-sheet formula syntax

100%

Aggregation via cross-sheet range

100%

INDEX/MATCH for lookup

50%

100%

No VLOOKUP used

100%

Sheet-qualified ranges

100%

Spreadsheet ID stored

100%

Multi-sheet creation

70%

100%

JSON 2D array format

100%

Data starts at A1

100%

Without context: $0.3226 · 2m 1s · 16 turns · 51 in / 6,870 out tokens

With context: $0.9598 · 2m 37s · 23 turns · 299 in / 9,924 out tokens

100%

30%

Financial Spreadsheet Compliance Audit Tool

Read format options and spreadsheet ID from URL

Criteria

Without context

With context

Skill script used

100%

Spreadsheet ID from URL

100%

FORMATTED_VALUE read

50%

100%

UNFORMATTED_VALUE read

50%

100%

FORMULA read

50%

100%

Three separate output files

100%

Sheet-qualified range used

75%

100%

Same range all three reads

100%

URL accepted as argument

100%

ID not hardcoded

100%

Without context: $0.1686 · 49s · 13 turns · 19 in / 2,711 out tokens

With context: $0.7601 · 1m 51s · 24 turns · 28 in / 6,091 out tokens

Evaluated: 3 days ago
Agent: Claude Code
Model: Unknown

Table of Contents

HR Employee Records Import Monthly Sales Commission Calculator Quarterly Planning Spreadsheet Reorganization Workstation Onboarding: Google Sheets Access Setup Regional Sales Consolidation Dashboard Financial Spreadsheet Compliance Audit Tool

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