# mysql_update_variables

A write tool on the 1Panel MCP Server MCP server.

Agent View of the PolicyLayer registry record for `mysql_update_variables`. HTML page: https://policylayer.com/tools/eaveluo-1panel-mcp/mysql-update-variables

## Facts

- Tool: `mysql_update_variables`
- Server: 1Panel MCP Server (`eaveluo/1panel-mcp`) — https://policylayer.com/tools/eaveluo-1panel-mcp.md
- Homepage: https://github.com/EaveLuo/1panel-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, 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": "mysql_update_variables",
    "arguments": {}
  }
}
```

## Why mysql_update_variables is rated Medium

Updating MySQL variables modifies database server configuration settings. This is a Write operation as it changes system configuration, but can have high blast radius since modifying critical MySQL variables (e.g., buffer sizes, connection limits, security settings) can destabilize the database server or degrade performance for all connected applications.

From the tool's own definition: "Tool name 'mysql_update_variables' and description 'MySQL: Update variables' indicate modification of MySQL configuration variables"

## Use case

AI agents use mysql_update_variables to create or update resources in 1Panel MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 1Panel MCP Server environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches 1Panel MCP Server:

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

## Other tools on 1Panel MCP Server (285)

- `clean_compose_log` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-compose-log.md
- `clean_container_log` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-container-log.md
- `clean_monitor_data` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clean-monitor-data.md
- `clear_recycle_bin` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/clear-recycle-bin.md
- `delete_ai_agent` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ai-agent.md
- `delete_ai_agent_account` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ai-agent-account.md
- `delete_backup` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-backup.md
- `delete_backup_account` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-backup-account.md
- `delete_certificate` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-certificate.md
- `delete_clam_config` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-clam-config.md
- `delete_cronjob` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-cronjob.md
- `delete_database` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-database.md
- `delete_file` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-file.md
- `delete_firewall_rule` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-firewall-rule.md
- `delete_ftp_user` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ftp-user.md
- `delete_host` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host.md
- `delete_host_group` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host-group.md
- `delete_host_ssh_key` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-host-ssh-key.md
- `delete_mcp_server` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-mcp-server.md
- `delete_ollama_model` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-ollama-model.md
- `delete_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-snapshot.md
- `delete_website` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-website.md
- `delete_website_domain` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/delete-website-domain.md
- `partition_disk` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/partition-disk.md
- `prune_containers` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/prune-containers.md
- `recover_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/recover-snapshot.md
- `recreate_snapshot` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/recreate-snapshot.md
- `remove_compose` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-compose.md
- `remove_container` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-container.md
- `remove_image` — Destructive — https://policylayer.com/tools/eaveluo-1panel-mcp/remove-image.md
- …and 255 more: https://policylayer.com/tools/eaveluo-1panel-mcp.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=eaveluo-1panel-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/eaveluo-1panel-mcp