sync_workspace_messages · Sanka MCP Server MCP

WHAT IT DOES

What sync_workspace_messages does on Sanka MCP Server

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

WHY IT NEEDS A POLICY

Why sync_workspace_messages needs a policy

This tool pulls/imports external messages (e.g., from Gmail) into Sanka, creating or updating records within the system. This is a Write operation as it ingests and stores data. It is reversible in principle (imported messages could be deleted), so it doesn't rise to Destructive.

From the tool's definition Pull latest shared workspace/integration inbox messages into Sanka from integration-linked channels such as Gmail

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sync_workspace_messages Rate-limited

sync_workspace_messages 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_workspace_messages": {
      "limits": [
        {
          "counter": "sync_workspace_messages_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Sanka MCP Server, so you can run agents against it safely.

FAQ

Questions about sync_workspace_messages

What does the sync_workspace_messages tool do? +

Pull latest shared workspace/integration inbox messages into Sanka from integration-linked channels such as Gmail. Prefer this for. It is categorised as a Write tool in the Sanka MCP Server 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_workspace_messages? +

Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for sync_workspace_messages: 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 Sanka MCP Server. Nothing to install.

What risk level is sync_workspace_messages? +

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

Can I rate-limit sync_workspace_messages? +

Yes. Add a rate_limit block to the sync_workspace_messages 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_workspace_messages completely? +

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

sync_workspace_messages is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.