backup_database

Create a backup of the PostgreSQL database with various options

SERVERSupabase MCP Server - Self-Hosted Edition SOURCEabdqum/supabase-mcp-selfhosted

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abdqum-supabase-mcp-selfhosted/backup-database.md

WHAT IT DOES

What backup_database does on Supabase MCP Server - Self-Hosted Edition

AI agents use backup_database to create or update resources in Supabase MCP Server - Self-Hosted Edition, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Supabase MCP Server - Self-Hosted Edition environment.

RISK

Why backup_database is rated Medium

This tool creates a backup, which is a write operation that generates new data (the backup file/snapshot). While backups are typically non-destructive and reversible, they do create new data assets and consume storage resources. The severity is medium rather than high because backups do not modify or delete production data, though improper backup operations could impact system performance or storage.

From the tool's definition Tool name 'backup_database' and description 'Create a backup of the PostgreSQL database' indicate a write operation that creates a new backup artifact without modifying or deleting existing production data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs backup_database safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Supabase MCP Server - Self-Hosted Edition, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For backup_database, this is the rule to start with:

backup_database Rate-limited

backup_database 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": {
    "backup_database": {
      "limits": [
        {
          "counter": "backup_database_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 Supabase MCP Server - Self-Hosted Edition, apply this rule, and every backup_database call is checked against it from then on.

FAQ

Questions about backup_database

What does the backup_database tool do? +

Create a backup of the PostgreSQL database with various options. It is categorised as a Write tool in the Supabase MCP Server - Self-Hosted Edition MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on backup_database? +

Register the Supabase MCP Server - Self-Hosted Edition MCP server in PolicyLayer and add a rule for backup_database: 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 Supabase MCP Server - Self-Hosted Edition. Nothing to install.

What risk level is backup_database? +

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

Can I rate-limit backup_database? +

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

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

backup_database is provided by the Supabase MCP Server - Self-Hosted Edition MCP server (abdqum/supabase-mcp-selfhosted). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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