# unmerge_cells

取消合并单元格

Agent View of the PolicyLayer registry record for `unmerge_cells`. HTML page: https://policylayer.com/tools/1126misakp-excel-mcp-server-with-supabase-storage/unmerge-cells

## Facts

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

## Why unmerge_cells is rated Medium

Unmerging cells is a reversible modification operation that alters the structure and formatting of spreadsheet cells without permanently deleting data or executing external code. It modifies the workbook state but changes can be undone, placing it in the Write category rather than Destructive.

From the tool's own definition: "Tool name 'unmerge_cells' and description '取消合并单元格' (Chinese: 'unmerge cells') indicate modification of cell formatting properties in an Excel workbook."

## Use case

AI agents use unmerge_cells 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": {
    "unmerge_cells": {
      "limits": [
        {
          "counter": "unmerge_cells_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_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

## 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