confluence_add_attachment · Jira & Confluence MCP Server MCP

WHAT IT DOES

What confluence_add_attachment does on Jira & Confluence MCP Server

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

WHY IT NEEDS A POLICY

Why confluence_add_attachment needs a policy

This tool creates/adds a new attachment to a page, modifying the page's content and metadata. It is reversible (attachments can be deleted), so it does not meet the Destructive threshold. It does not execute arbitrary code, move money, or retrieve data.

From the tool's definition Tool name 'confluence_add_attachment' and description 'Add an attachment to a Confluence page' indicate file upload/creation to an existing resource.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

confluence_add_attachment Rate-limited

confluence_add_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": {
    "confluence_add_attachment": {
      "limits": [
        {
          "counter": "confluence_add_attachment_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 Jira & Confluence MCP Server, so you can run agents against it safely.

FAQ

Questions about confluence_add_attachment

What does the confluence_add_attachment tool do? +

Add an attachment to a Confluence page. It is categorised as a Write tool in the Jira & Confluence 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 confluence_add_attachment? +

Register the Jira & Confluence MCP Server MCP server in PolicyLayer and add a rule for confluence_add_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 Jira & Confluence MCP Server. Nothing to install.

What risk level is confluence_add_attachment? +

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

Can I rate-limit confluence_add_attachment? +

Yes. Add a rate_limit block to the confluence_add_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 confluence_add_attachment completely? +

Set action: deny in the PolicyLayer policy for confluence_add_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 confluence_add_attachment? +

confluence_add_attachment is provided by the Jira & Confluence MCP Server MCP server (katsuhirohonda/jira-confluence-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.