Add a movie to Radarr. Use radarr_search first to find the tmdbId, and radarr_get_root_folders / radarr_get_quality_profiles to get valid values. Use radarr_get_tags to get valid tag IDs.
Part of the Mcp Arr server.
Free to start. No card required.
AI agents use radarr_add_movie to create or modify resources in Mcp Arr. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call radarr_add_movie repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Mcp Arr.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"radarr_add_movie": {
"limits": [
{
"counter": "radarr_add_movie_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Mcp Arr policy for all 41 tools.
These attack patterns abuse exactly the kind of access radarr_add_movie gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Add a movie to Radarr. Use radarr_search first to find the tmdbId, and radarr_get_root_folders / radarr_get_quality_profiles to get valid values. Use radarr_get_tags to get valid tag IDs.. It is categorised as a Write tool in the Mcp Arr MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Arr 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 Mcp Arr. 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 Mcp Arr MCP server (mcp-arr-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 41 Mcp Arr tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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