mcp-arr-lite
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HOST | No | The host for HTTP transport | 0.0.0.0 |
| PORT | No | The port for HTTP transport | 3000 |
| LOG_LEVEL | No | The log level (e.g. info, debug, error) | info |
| RADARR_URL | No | The URL of the Radarr server (e.g. http://radarr:7878) | |
| SONARR_URL | No | The URL of the Sonarr server (e.g. http://sonarr:8989) | |
| MCP_TRANSPORT | No | The transport mode (stdio or http) | stdio |
| MCP_AUTH_TOKEN | No | Bearer token for HTTP transport authentication (required when MCP_TRANSPORT=http) | |
| RADARR_API_KEY | No | The API key for Radarr | |
| SONARR_API_KEY | No | The API key for Sonarr |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| radarr_lookupA | Search Radarr for a movie by title (or TMDB/IMDb id). Returns candidates with title, year, overview and poster URL. Use this to confirm with the user before adding. |
| radarr_addA | Add a movie to Radarr. By default starts searching for a release immediately. Requires user confirmation before calling. |
| radarr_search_releasesA | Search available releases for a movie in Radarr. Defaults to the preferred indexer (lowest numeric priority). If the preferred indexer returns no results, ask the user which alternative indexer to use and pass its id. |
| radarr_grabB | Start downloading a movie release in Radarr. Requires user confirmation before calling. |
| sonarr_lookupA | Search Sonarr for a series by title (or TVDB/IMDb id). Returns candidates with title, year, overview and poster URL. Use this to confirm with the user before adding. |
| sonarr_addA | Add a series to Sonarr. By default starts searching for missing episodes immediately. Requires user confirmation before calling. |
| sonarr_search_releasesA | Search available releases for one or more episodes in Sonarr. Defaults to the preferred indexer (lowest numeric priority). If the preferred indexer returns no results, ask the user which alternative indexer to use and pass its id. |
| sonarr_grabA | Start downloading a series episode release in Sonarr. Requires user confirmation before calling. |
| list_indexersA | List configured indexers for Radarr or Sonarr, marking the preferred one (lowest numeric priority among enabled). Use this when a preferred indexer returns no releases and you need to show the user the alternatives. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
TDQS
Scored across 9 tools
Each tool has a clearly distinct purpose, separated by service (Radarr vs. Sonarr) and action (lookup, add, search_releases, grab). The list_indexers tool is generic but well-defined, with no overlap between tools.
Tool names follow a consistent pattern: service_verb (e.g., radarr_lookup, sonarr_add). The list_indexers deviates slightly but still follows a verb_object structure, and there is no mixing of conventions.
With 9 tools covering two services and a core workflow, the count is well-scoped. Each tool earns its place, and there is neither bloat nor insufficiency for the 'lite' purpose.
The tool set covers the primary workflow: lookup, add, search releases, and grab for both movies and series. Missing operations like delete or update are minor gaps given the 'lite' scope, and the list_indexers aids release search.