hires_upload_attachment

Upload a file and create an attachment. Supported categories:

SERVER100Hires MCP Server SOURCE100hires/mcp-server

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/100hires-mcp-server/hires-upload-attachment.md

WHAT IT DOES

What hires_upload_attachment does on 100Hires MCP Server

AI agents use hires_upload_attachment to create or update resources in 100Hires MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 100Hires MCP Server environment.

RISK

Why hires_upload_attachment is rated Medium

Uploading files creates new resources in the ATS system. While reversible (attachments can typically be deleted), this is a Write operation rather than Destructive since the tool itself does not delete or overwrite.

From the tool's definition Tool name indicates 'upload' which creates a new attachment resource. Description states 'Upload a file and create an attachment', confirming data creation without deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hires_upload_attachment safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 100Hires MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hires_upload_attachment, this is the rule to start with:

hires_upload_attachment Rate-limited

hires_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": {
    "hires_upload_attachment": {
      "limits": [
        {
          "counter": "hires_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 100Hires MCP Server, apply this rule, and every hires_upload_attachment call is checked against it from then on.

FAQ

Questions about hires_upload_attachment

What does the hires_upload_attachment tool do? +

Upload a file and create an attachment. Supported categories:. It is categorised as a Write tool in the 100Hires 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 hires_upload_attachment? +

Register the 100Hires MCP Server MCP server in PolicyLayer and add a rule for hires_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 100Hires MCP Server. Nothing to install.

What risk level is hires_upload_attachment? +

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

Can I rate-limit hires_upload_attachment? +

Yes. Add a rate_limit block to the hires_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 hires_upload_attachment completely? +

Set action: deny in the PolicyLayer policy for hires_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 hires_upload_attachment? +

hires_upload_attachment is provided by the 100Hires MCP Server MCP server (100hires/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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