# read_sheet_values

Read values from a specific range in a Google Sheet

Agent View of the PolicyLayer registry record for `read_sheet_values`. HTML page: https://policylayer.com/tools/3xcaffeine-mcp-server/read-sheet-values

## Facts

- Tool: `read_sheet_values`
- Server: VaultAssist (`3xcaffeine/mcp-server`) — https://policylayer.com/tools/3xcaffeine-mcp-server.md
- Homepage: https://github.com/3xcaffeine/mcp-server
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "read_sheet_values",
    "arguments": {}
  }
}
```

## Why read_sheet_values is rated Low

This tool retrieves data from a Google Sheet without creating, modifying, deleting, or executing external operations. It is a pure read operation with minimal blast radius even if misused by an AI agent, as it only exposes existing data the agent is already authorized to access via OAuth 2.1.

From the tool's own definition: "Tool name 'read_sheet_values' and description 'Read values from a specific range in a Google Sheet' explicitly indicate data retrieval with no modification or deletion."

## Use case

AI agents call read_sheet_values to retrieve information from VaultAssist without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches VaultAssist:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "read_sheet_values": {}
  }
}
```

## Other tools on VaultAssist (78)

- `batch_delete_gmail_emails` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/batch-delete-gmail-emails.md
- `clear_completed_tasks` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/clear-completed-tasks.md
- `delete_event` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/delete-event.md
- `delete_gmail_email` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/delete-gmail-email.md
- `delete_gmail_label` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/delete-gmail-label.md
- `delete_task` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/delete-task.md
- `delete_task_list` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/delete-task-list.md
- `memory_delete_entities` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/memory-delete-entities.md
- `memory_delete_observations` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/memory-delete-observations.md
- `memory_delete_relations` — Destructive — https://policylayer.com/tools/3xcaffeine-mcp-server/memory-delete-relations.md
- `roll_dice` — Other — https://policylayer.com/tools/3xcaffeine-mcp-server/roll-dice.md
- `sequentialthinking` — Other — https://policylayer.com/tools/3xcaffeine-mcp-server/sequentialthinking.md
- `about` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/about.md
- `debug_table_structure` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/debug-table-structure.md
- `echo` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/echo.md
- `get_doc_content` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-doc-content.md
- `get_drive_file_content` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-drive-file-content.md
- `get_event` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-event.md
- `get_events` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-events.md
- `get_form` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-form.md
- `get_form_response` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-form-response.md
- `get_page` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-page.md
- `get_page_thumbnail` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-page-thumbnail.md
- `get_presentation` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-presentation.md
- `get_spreadsheet_info` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-spreadsheet-info.md
- `get_task` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-task.md
- `get_task_list` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-task-list.md
- `get_user_info` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/get-user-info.md
- `inspect_doc_structure` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/inspect-doc-structure.md
- `list_calendars` — Read — https://policylayer.com/tools/3xcaffeine-mcp-server/list-calendars.md
- …and 48 more: https://policylayer.com/tools/3xcaffeine-mcp-server.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=3xcaffeine-mcp-server · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/3xcaffeine-mcp-server