# modify_cell_format

修改单元格格式

Agent View of the PolicyLayer registry record for `modify_cell_format`. HTML page: https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/modify-cell-format

## Facts

- Tool: `modify_cell_format`
- 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": "modify_cell_format",
    "arguments": {}
  }
}
```

## Why modify_cell_format is rated Medium

This tool modifies cell formatting properties (colors, fonts, borders, number formats, etc.) within an Excel workbook. This is clearly a Write operation as it changes existing data state reversibly. It does not execute arbitrary code (Execute), permanently delete data (Destructive), or move money (Financial).

From the tool's own definition: "Tool name 'modify_cell_format' and description '修改单元格格式' (modify cell format) indicate the tool creates or modifies data within Excel cells. This is a reversible operation—formatting changes can be undone and do not permanently destroy data."

## Use case

AI agents use modify_cell_format 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": {
    "modify_cell_format": {
      "limits": [
        {
          "counter": "modify_cell_format_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
- `set_column_widths` — Write — https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/set-column-widths.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