clickup_upload_attachment

Upload a new attachment to a task, comment, doc, or chat. Supports direct file upload or URL-based upload.

SERVERClickUp MCP Server - Enhanced SOURCEchykalophia/clickup-mcp-server---enhanced

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/chykalophia-clickup-mcp-server-enhanced/clickup-upload-attachment.md

WHAT IT DOES

What clickup_upload_attachment does on ClickUp MCP Server - Enhanced

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

RISK

Why clickup_upload_attachment is rated Medium

This tool creates new attachments (files or references) within ClickUp tasks, comments, docs, and chats. This is a Write operation because it adds/modifies data reversibly - attachments can be removed or replaced. It is not Destructive because deletion is not the primary function.

From the tool's definition Tool description states 'Upload a new attachment to a task, comment, doc, or chat' - the word 'Upload' indicates creation/modification of data within ClickUp resources.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs clickup_upload_attachment safely

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

clickup_upload_attachment Rate-limited

clickup_upload_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": {
    "clickup_upload_attachment": {
      "limits": [
        {
          "counter": "clickup_upload_attachment_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 ClickUp MCP Server - Enhanced, apply this rule, and every clickup_upload_attachment call is checked against it from then on.

FAQ

Questions about clickup_upload_attachment

What does the clickup_upload_attachment tool do? +

Upload a new attachment to a task, comment, doc, or chat. Supports direct file upload or URL-based upload. It is categorised as a Write tool in the ClickUp MCP Server - Enhanced MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on clickup_upload_attachment? +

Register the ClickUp MCP Server - Enhanced MCP server in PolicyLayer and add a rule for clickup_upload_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 ClickUp MCP Server - Enhanced. Nothing to install.

What risk level is clickup_upload_attachment? +

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

Can I rate-limit clickup_upload_attachment? +

Yes. Add a rate_limit block to the clickup_upload_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 clickup_upload_attachment completely? +

Set action: deny in the PolicyLayer policy for clickup_upload_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 clickup_upload_attachment? +

clickup_upload_attachment is provided by the ClickUp MCP Server - Enhanced MCP server (chykalophia/clickup-mcp-server---enhanced). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on ClickUp MCP Server - Enhanced, and thousands of servers like it.

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Guides

Govern customer-ops agents →Argument validation →Scoped token →