postmediamultipart · Revel Digital MCP Server MCP

WHAT IT DOES

What postmediamultipart does on Revel Digital MCP Server

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

WHY IT NEEDS A POLICY

Why postmediamultipart needs a policy

The tool name 'postmediamultipart' combined with the multipart/form-data description indicates this uploads media content to the digital signage system. POST operations that create/upload content are Write category. Severity is medium as uploading unwanted or malicious media content could affect displays but is reversible (sibling delete tools exist).

From the tool's definition 'POST body must be in multipart/form-data format' — a POST operation uploading multipart data, typically used for file/media uploads

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

postmediamultipart Rate-limited

postmediamultipart 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": {
    "postmediamultipart": {
      "limits": [
        {
          "counter": "postmediamultipart_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 Revel Digital MCP Server, so you can run agents against it safely.

FAQ

Questions about postmediamultipart

What does the postmediamultipart tool do? +

POST body must be in multipart/form-data format. It is categorised as a Write tool in the Revel Digital 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 postmediamultipart? +

Register the Revel Digital MCP Server MCP server in PolicyLayer and add a rule for postmediamultipart: 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 Revel Digital MCP Server. Nothing to install.

What risk level is postmediamultipart? +

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

Can I rate-limit postmediamultipart? +

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

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

postmediamultipart is provided by the Revel Digital MCP Server MCP server (reveldigital/reveldigital-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.