wps_excel_export_chart_as_image

SERVERWps Office SOURCEwps-office-mcp

Medium RISK CLASS

Category Write

Parameters 42 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/wps-office-mcp/wps-excel-export-chart-as-image.md

WHAT IT DOES

What wps_excel_export_chart_as_image does on Wps Office

AI agents use wps_excel_export_chart_as_image to create or update resources in Wps Office, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Wps Office environment.

Parameter	Type	Required	Description
`sheet`	string	—	工作表名称，不填则使用当前活动工作表
`format`	string	—	图片格式，默认 PNG
`chartName`	string	Yes	图表名称（如 "Chart 1" 或 "图表 1"）
`outputPath`	string	Yes	输出图片文件的绝对路径（如 /Users/xxx/Downloads/chart1.png）

Parameters from the server's own tool schema.

RISK

Why wps_excel_export_chart_as_image is rated Medium

An AI agent can call wps_excel_export_chart_as_image faster than any human can review: one bad instruction and it creates or modifies resources in Wps Office by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wps_excel_export_chart_as_image safely

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

wps_excel_export_chart_as_image Rate-limited

wps_excel_export_chart_as_image stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wps_excel_export_chart_as_image": {
      "limits": [
        {
          "counter": "wps_excel_export_chart_as_image_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about wps_excel_export_chart_as_image

What does the wps_excel_export_chart_as_image tool do? +

将工作表中指定的图表导出为位图图片（PNG/JPG/JPEG/GIF/BMP）。调用底层 WPS Excel 原生接口 Chart.Export(FileName, FilterName)，最简单可靠，实现 1:1 像素级还原，避免通过 PDF + pdf2image 中转造成的版式/字体/坐标轴失真。支持的 format（FilterName）取值： - PNG（默认，推荐用于截图与无损展示） - JPG / JPEG（自动按 JPG 滤镜处理，体积更小） - GIF（限 256 色，适合简单图形） - BMP（无压缩位图，文件最大）使用场景： - "把 Sheet1 上的 Chart 1 导出成 PNG" - "导出销售分析柱状图给我" - "把图表保存为高清图片用于报告" 注意： - outputPath 必须是绝对路径 - chartName 通常为 "Chart 1"、"图表 1" 等，可通过 wps_excel_create_chart 返回值或界面查看 - macOS 上建议输出到 ~/Downloads 等用户可写目录，避免沙箱权限拒绝. It is categorised as a Write tool in the Wps Office MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does wps_excel_export_chart_as_image accept? +

wps_excel_export_chart_as_image accepts 4 parameters: sheet, format, chartName, outputPath. Required: chartName, outputPath. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on wps_excel_export_chart_as_image? +

Register the Wps Office MCP server in PolicyLayer and add a rule for wps_excel_export_chart_as_image: 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 Wps Office. Nothing to install.

What risk level is wps_excel_export_chart_as_image? +

wps_excel_export_chart_as_image is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit wps_excel_export_chart_as_image? +

Yes. Add a rate_limit block to the wps_excel_export_chart_as_image 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 wps_excel_export_chart_as_image completely? +

Set action: deny in the PolicyLayer policy for wps_excel_export_chart_as_image. 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 wps_excel_export_chart_as_image? +

wps_excel_export_chart_as_image is provided by the Wps Office MCP server (wps-office-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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