upload_company_document · MCP Multi-Agent Server MCP

WHAT IT DOES

What upload_company_document does on MCP Multi-Agent Server

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

WHY IT NEEDS A POLICY

Why upload_company_document needs a policy

Upload operations are Write category—they create or persist data. Severity is high because uploading documents to a company system could introduce malicious content, overwrite legitimate files, or compromise data integrity if an agent uploads without proper validation.

From the tool's definition Tool name is 'upload_company_document' which directly indicates creation/modification of company documents. Description is empty, limiting specificity, but the name unambiguously indicates a write operation that adds data to a company system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upload_company_document Rate-limited

upload_company_document 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_company_document": {
      "limits": [
        {
          "counter": "upload_company_document_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about upload_company_document

What does the upload_company_document tool do? +

upload_company_document. It is categorised as a Write tool in the MCP Multi-Agent 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_company_document? +

Register the MCP Multi-Agent Server MCP server in PolicyLayer and add a rule for upload_company_document: 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 MCP Multi-Agent Server. Nothing to install.

What risk level is upload_company_document? +

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

Can I rate-limit upload_company_document? +

Yes. Add a rate_limit block to the upload_company_document 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_company_document completely? +

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

upload_company_document is provided by the MCP Multi-Agent Server MCP server (sunnylabtv-crypto/ai_mcp_multi_agent-public). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.