meshes_update_workspace · Mesheshq MCP: Risk & Policy

WHAT IT DOES

What meshes_update_workspace does on Mesheshq

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

WHY IT NEEDS A POLICY

Why meshes_update_workspace needs a policy

This tool modifies workspace configuration or state within the Meshes integration platform. While reversible (unlike destructive operations), updating a workspace can affect routing rules, connections, and event emission for an entire workspace, potentially impacting multiple integrations and workflows.

From the tool's definition Tool name is 'meshes_update_workspace' and description states 'Update a workspace'. Update operations modify data reversibly without deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

meshes_update_workspace Rate-limited

meshes_update_workspace 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": {
    "meshes_update_workspace": {
      "limits": [
        {
          "counter": "meshes_update_workspace_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about meshes_update_workspace

What does the meshes_update_workspace tool do? +

Update a workspace. It is categorised as a Write tool in the Mesheshq MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on meshes_update_workspace? +

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

What risk level is meshes_update_workspace? +

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

Can I rate-limit meshes_update_workspace? +

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

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

meshes_update_workspace is provided by the Mesheshq MCP server (mesheshq/meshes-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.