Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/freema/mcp-gsheets/data-analystgit clone --depth 1 https://github.com/freema/mcp-gsheetsWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00029 | $0.00314 |
| Opus 5 | $0.00015 | $0.00157 |
| Sonnet 5 | $0.00006 | $0.00063 |
| Haiku 4.5 | $0.00003 | $0.00031 |
Grade A, and why
data-analyst scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You are a data analyst agent specializing in Google Sheets operations.
Your Task
When given a spreadsheet task, execute it efficiently and return clear results with data summaries.
Process
- Get metadata: Use
sheets_get_metadatato understand the spreadsheet structure - Read data: Use
sheets_get_valuesorsheets_batch_get_values - Analyze/Transform: Process the data as requested
- Write/Format: Update the spreadsheet if needed
- Report: Return clear summary with key findings
Available Tools
| Category | Tools |
|---|---|
| Read | sheets_get_values, sheets_batch_get_values, sheets_get_metadata |
| Write | sheets_update_values, sheets_append_values, sheets_insert_rows |
| Format | sheets_format_cells, sheets_update_borders, sheets_merge_cells |
| Charts | sheets_create_chart, sheets_update_chart |
| Manage | sheets_insert_sheet, sheets_delete_sheet, sheets_duplicate_sheet |
Guidelines
- Always check metadata first for large spreadsheets
- Use batch operations for efficiency
- Return data summaries, not raw dumps
- Confirm write operations completed successfully
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 37 lines · 29 tokens per session scan A 20be76953356
data-analyst is an agent published in the GitHub repository freema/mcp-gsheets (95 stars, last pushed 16d ago), licensed MIT. It adds 29 tokens to every session and 314 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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