sync_create_group

Create a sync group of 2+ devices with named roles for coordinated testing.

SERVERClaude Mobile SOURCEalexgladkov/claude-in-mobile

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/alexgladkov-claude-in-mobile/sync-create-group.md

WHAT IT DOES

What sync_create_group does on Claude Mobile

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

RISK

Why sync_create_group is rated Medium

This tool creates a new sync group configuration across multiple devices, which is a reversible write operation. It establishes data structures for coordinated testing but does not execute arbitrary code, delete data, or commit financial transactions.

From the tool's definition Tool name 'sync_create_group' and description 'Create a sync group' indicate a create operation that modifies device state by establishing new coordination structures.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sync_create_group safely

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

sync_create_group Rate-limited

sync_create_group 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": {
    "sync_create_group": {
      "limits": [
        {
          "counter": "sync_create_group_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 Claude Mobile, apply this rule, and every sync_create_group call is checked against it from then on.

FAQ

Questions about sync_create_group

What does the sync_create_group tool do? +

Create a sync group of 2+ devices with named roles for coordinated testing. It is categorised as a Write tool in the Claude Mobile MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sync_create_group? +

Register the Claude Mobile MCP server in PolicyLayer and add a rule for sync_create_group: 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 Claude Mobile. Nothing to install.

What risk level is sync_create_group? +

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

Can I rate-limit sync_create_group? +

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

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

sync_create_group is provided by the Claude Mobile MCP server (alexgladkov/claude-in-mobile). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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