happ_sheets_pull_preview

SERVERPlatform SOURCE@happ-ai/platform-mcp

Low RISK CLASS

Category Read

Parameters 42 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/happ-ai-platform-mcp/happ-sheets-pull-preview.md

WHAT IT DOES

What happ_sheets_pull_preview does on Platform

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

Parameter	Type	Required	Description
`mapping`	array	—	Колонки → переменные промпта (без колонки телефона)
`sheetId`	integer	Yes	id листа (gid) из happ_sheets_pull_inspect
`phoneColumn`	string	—	Заголовок колонки с телефоном; не указан — бэк угадает по заголовку или по значениям
`spreadsheetId`	string	Yes	spreadsheetId из happ_sheets_pull_inspect

Parameters from the server's own tool schema.

RISK

Why happ_sheets_pull_preview is rated Low

Even though happ_sheets_pull_preview only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs happ_sheets_pull_preview safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Platform, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For happ_sheets_pull_preview, this is the rule to start with:

happ_sheets_pull_preview Allowed

happ_sheets_pull_preview is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "happ_sheets_pull_preview": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Platform, apply this rule, and every happ_sheets_pull_preview call is checked against it from then on.

FAQ

Questions about happ_sheets_pull_preview

What does the happ_sheets_pull_preview tool do? +

Читает лист и показывает, что импортируется: headers (заголовки колонок), phoneColumn (указанная или угаданная колонка с телефоном), totalRows, callable, withoutPhone, invalid, truncated (лист длиннее лимита), numericPhoneCells (телефоны хранятся числом — потерян + или ведущий 0, предупреди пользователя), sample до 10 строк и issues (дубли заголовков, отсутствующие колонки — такой источник создать нельзя). Всегда показывай пользователю перед созданием источника; маппинг к��лонок в переменные промпта согласуй по headers. (POST /sheets-pull/preview). It is categorised as a Read tool in the Platform MCP Server, which means it retrieves data without modifying state.

What parameters does happ_sheets_pull_preview accept? +

happ_sheets_pull_preview accepts 4 parameters: mapping, sheetId, phoneColumn, spreadsheetId. Required: sheetId, spreadsheetId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on happ_sheets_pull_preview? +

Register the Platform MCP server in PolicyLayer and add a rule for happ_sheets_pull_preview: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Platform. Nothing to install.

What risk level is happ_sheets_pull_preview? +

happ_sheets_pull_preview is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit happ_sheets_pull_preview? +

Yes. Add a rate_limit block to the happ_sheets_pull_preview rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block happ_sheets_pull_preview completely? +

Set action: deny in the PolicyLayer policy for happ_sheets_pull_preview. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides happ_sheets_pull_preview? +

happ_sheets_pull_preview is provided by the Platform MCP server (@happ-ai/platform-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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