AI agents use radarr_add_movie to create or update resources in Arr Suite MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Arr Suite MCP Server environment.
This tool creates a new entry in Radarr's movie collection, which is a reversible write operation. While it initiates automated media acquisition (downloads), the action itself is not destructive or financial—it can be reversed by removing the movie.
From the tool's definition Tool name and description: 'radarr_add_movie' described as 'Add a new movie to Radarr'. This creates a new record in the media management system, triggering automated download workflows.
Documented attack patterns abuse exactly the kind of access radarr_add_movie gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Arr Suite MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for radarr_add_movie:
{
"version": "1",
"default": "deny",
"tools": {
"radarr_add_movie": {
"limits": [
{
"counter": "radarr_add_movie_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}radarr_add_movie 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.
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Add a new movie to Radarr. It is categorised as a Write tool in the Arr Suite MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Arr Suite MCP Server MCP server in PolicyLayer and add a rule for radarr_add_movie: 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 Arr Suite MCP Server. Nothing to install.
radarr_add_movie is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the radarr_add_movie 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.
Set action: deny in the PolicyLayer policy for radarr_add_movie. 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.
radarr_add_movie is provided by the Arr Suite MCP Server MCP server (shaktech786/arr-suite-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Arr Suite MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
25 Arr Suite MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.