dephq_app_rollback

Restore an owned app's source from a selected historical version. This creates a new current version.

SERVERDephq SOURCE@dephq/mcp

Medium RISK CLASS

Category Write

Parameters 22 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/dephq-mcp/dephq-app-rollback.md

WHAT IT DOES

What dephq_app_rollback does on Dephq

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

Parameter	Type	Required	Description
`app_id`	string	Yes
`version_id`	string	Yes

Parameters from the server's own tool schema.

RISK

Why dephq_app_rollback is rated Medium

The rollback operation replaces the current app source with a historical version and creates a new current version. This is a Write/modify operation (not Destructive since the historical versions remain intact and a new version is created rather than deleting data).

From the tool's definition Restore an owned app's source from a selected historical version. This creates a new current version.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs dephq_app_rollback safely

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

dephq_app_rollback Rate-limited

dephq_app_rollback 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": {
    "dephq_app_rollback": {
      "limits": [
        {
          "counter": "dephq_app_rollback_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 Dephq, apply this rule, and every dephq_app_rollback call is checked against it from then on.

FAQ

Questions about dephq_app_rollback

What does the dephq_app_rollback tool do? +

Restore an owned app's source from a selected historical version. This creates a new current version. It is categorised as a Write tool in the Dephq MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does dephq_app_rollback accept? +

dephq_app_rollback accepts 2 parameters: app_id, version_id. Required: app_id, version_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on dephq_app_rollback? +

Register the Dephq MCP server in PolicyLayer and add a rule for dephq_app_rollback: 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 Dephq. Nothing to install.

What risk level is dephq_app_rollback? +

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

Can I rate-limit dephq_app_rollback? +

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

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

dephq_app_rollback is provided by the Dephq MCP server (@dephq/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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