# set_column_widths

设置列宽

Agent View of the PolicyLayer registry record for `set_column_widths`. HTML page: https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/set-column-widths

## Facts

- Tool: `set_column_widths`
- Server: Excel MCP Server with Supabase Storage (`1126misakp/excel-mcp-server-with-supabase-storage`) — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage.md
- Homepage: https://github.com/1126misakp/Excel-MCP-Server-with-Supabase-Storage
- Risk category: Write (Medium risk)
- Registry record: grade C, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

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

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

## Why set_column_widths is rated Medium

The tool modifies column width properties in an Excel file, which is a Write operation—it changes the document state but is easily reversible (widths can be reset). It does not create/delete data, execute code, or cause financial harm. Severity is low because formatting changes have minimal blast radius and do not affect data integrity or functionality.

From the tool's own definition: "Tool name 'set_column_widths' and description '设置列宽' (set column widths in Chinese) indicate a formatting operation that modifies spreadsheet column dimensions. This is a reversible structural modification to the Excel document."

## Use case

AI agents use set_column_widths to create or update resources in Excel MCP Server with Supabase Storage, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Excel MCP Server with Supabase Storage environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Excel MCP Server with Supabase Storage:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_column_widths": {
      "limits": [
        {
          "counter": "set_column_widths_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Excel MCP Server with Supabase Storage (11)

- `recalculate_formulas` — Execute — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/recalculate-formulas.md
- `parse_excel_to_json` — Read — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/parse-excel-to-json.md
- `create_excel_from_json` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/create-excel-from-json.md
- `manage_sheets` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/manage-sheets.md
- `manage_storage` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/manage-storage.md
- `merge_cells` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/merge-cells.md
- `merge_excel_files` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/merge-excel-files.md
- `modify_cell_format` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/modify-cell-format.md
- `set_formula` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/set-formula.md
- `set_row_heights` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/set-row-heights.md
- `unmerge_cells` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/unmerge-cells.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=1126misakp-excel-mcp-server-with-supabase-storage · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/1126misakp-excel-mcp-server-with-supabase-storage