upload_reddit_ads_assets

SERVERHermoso SOURCEhttps://app.hermoso.ai/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/hermoso/upload-reddit-ads-assets.md

WHAT IT DOES

What upload_reddit_ads_assets does on Hermoso

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

RISK

Why upload_reddit_ads_assets is rated Medium

An AI agent can call upload_reddit_ads_assets faster than any human can review: one bad instruction and it creates or modifies resources in Hermoso by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs upload_reddit_ads_assets safely

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

upload_reddit_ads_assets Rate-limited

upload_reddit_ads_assets 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_reddit_ads_assets": {
      "limits": [
        {
          "counter": "upload_reddit_ads_assets_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 Hermoso, apply this rule, and every upload_reddit_ads_assets call is checked against it from then on.

FAQ

Questions about upload_reddit_ads_assets

What does the upload_reddit_ads_assets tool do? +

Store creatives in the Reddit Ads ASSET LIBRARY for a profile: images and videos (from a public https url — Reddit downloads it; a video may carry a posterUrl), HEADLINE text, and CTA labels from Reddit’s fixed list (Shop Now, Learn More, Sign Up, …). 1–20 per call. Processing is asynchronous: the reply is read back from the library after polling (up to ~20s) and says which assets are ACTIVE, which Reddit REJECTED and why, and which are still processing (finish those with get_reddit_ads_asset_uploads). A Reddit MAX campaign builds its ads from these assets: pass the ACTIVE ids to create_reddit_ads_max_campaign (at least 3 HEADLINE and 2 IMAGE or VIDEO). A standard post-based ad does not take an asset id. Free. It is categorised as a Write tool in the Hermoso 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_reddit_ads_assets? +

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

What risk level is upload_reddit_ads_assets? +

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

Can I rate-limit upload_reddit_ads_assets? +

Yes. Add a rate_limit block to the upload_reddit_ads_assets 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_reddit_ads_assets completely? +

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

upload_reddit_ads_assets is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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