upload_agent_file

Upload a file to an agent

SERVERProAgentStore SOURCEhttps://mcp.proagentstore.online/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/io-github-proagentstore-platform/upload-agent-file.md

WHAT IT DOES

What upload_agent_file does on ProAgentStore

AI agents use upload_agent_file to create or update resources in ProAgentStore, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ProAgentStore environment.

RISK

Why upload_agent_file is rated Medium

Creates or modifies agent files reversibly without deletion or irreversible destruction.

From the tool's definition Upload a file to an agent. Modifies agent state reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs upload_agent_file safely

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

upload_agent_file Rate-limited

upload_agent_file 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_agent_file": {
      "limits": [
        {
          "counter": "upload_agent_file_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 ProAgentStore, apply this rule, and every upload_agent_file call is checked against it from then on.

FAQ

Questions about upload_agent_file

What does the upload_agent_file tool do? +

Upload a file to an agent. It is categorised as a Write tool in the ProAgentStore 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_agent_file? +

Register the ProAgentStore MCP server in PolicyLayer and add a rule for upload_agent_file: 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 ProAgentStore. Nothing to install.

What risk level is upload_agent_file? +

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

Can I rate-limit upload_agent_file? +

Yes. Add a rate_limit block to the upload_agent_file 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_agent_file completely? +

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

upload_agent_file is provided by the ProAgentStore MCP server (https://mcp.proagentstore.online/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on ProAgentStore, and thousands of servers like it.

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write_file on 0sec → The MCP Attack Database →

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