io.github.mrfentmen/radarr-mcp

radarr-mcp

Is the io.github.mrfentmen/radarr-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

Query your Radarr instance: movies, queue, health. Endpoints per official docs.

alive probed 2026-11-14 · unchanged since 2026-10-29

3tools

246tokens in Claude Opus 5.5

0.1 %of Claude's 200k window

0.1×the median server

305 msto initialize

7 msto list tools

Run it: npx -y radarr-mcp@1.0.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: radarr-mcp 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 246 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 282. The o200k_base estimate is 127. Counted again when the tool definitions change. Method.
Repository: https://github.com/mrfentmen/premium-mcps
Registry: active, updated 2026-10-17 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.94×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
get_health	83	43	34 %
list_movies	81	42	33 %
get_queue	81	42	33 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention radarr.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.