upload_task_attachment

WHAT IT DOES

What upload_task_attachment does on Eureka Labo Task Management MCP Server

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

WHY IT NEEDS A POLICY

Why upload_task_attachment needs a policy

Uploading a file attachment is a write operation that creates new data (the attachment record and file association) within the task system. It is reversible—attachments can typically be deleted or replaced. It does not execute arbitrary code, delete data permanently, or move money.

From the tool's definition Tool description states it 'Upload[s] a file attachment to a task', which creates/adds data to the task management system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upload_task_attachment Rate-limited

upload_task_attachment 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": {
    "upload_task_attachment": {
      "limits": [
        {
          "counter": "upload_task_attachment_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about upload_task_attachment

What does the upload_task_attachment tool do? +

Upload a file attachment to a task. It is categorised as a Write tool in the Eureka Labo Task Management 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 upload_task_attachment? +

Register the Eureka Labo Task Management MCP Server MCP server in PolicyLayer and add a rule for upload_task_attachment: 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 Eureka Labo Task Management MCP Server. Nothing to install.

What risk level is upload_task_attachment? +

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

Can I rate-limit upload_task_attachment? +

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

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

upload_task_attachment is provided by the Eureka Labo Task Management MCP Server MCP server (mazemaze/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.