hydra_resume_download · Hydra Bridge MCP: Risk & Policy

WHAT IT DOES

What hydra_resume_download does on Hydra Bridge

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

WHY IT NEEDS A POLICY

Why hydra_resume_download needs a policy

This tool modifies the state of downloads reversibly by resuming a paused operation. It is Write category (reversible modification) rather than Execute because it is not executing arbitrary commands or scripts—it is performing a specific, bounded operation on download state.

From the tool's definition Tool name 'hydra_resume_download' and description 'Resume a paused download' indicate modification of download state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

hydra_resume_download Rate-limited

hydra_resume_download 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": {
    "hydra_resume_download": {
      "limits": [
        {
          "counter": "hydra_resume_download_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 Hydra Bridge, so you can run agents against it safely.

FAQ

Questions about hydra_resume_download

What does the hydra_resume_download tool do? +

Resume a paused download. Optionally specify strategy for what to do if another download is active. It is categorised as a Write tool in the Hydra Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on hydra_resume_download? +

Register the Hydra Bridge MCP server in PolicyLayer and add a rule for hydra_resume_download: 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 Hydra Bridge. Nothing to install.

What risk level is hydra_resume_download? +

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

Can I rate-limit hydra_resume_download? +

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

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

hydra_resume_download is provided by the Hydra Bridge MCP server (kleirrampage45/hydra-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.