Arr MCP Server - install, status & alternatives [2026]

01 · Install Arr

before you install - you'll need

Set SONARR_URL, SONARR_API_KEY, RADARR_URL, RADARR_API_KEY, LIDARR_URL, LIDARR_API_KEY, PROWLARR_URL, PROWLARR_API_KEY, MCP_TRANSPORT before connecting.

Claude Code

claude mcp add aplaceforallmystuff-mcp-arr -- npx -y mcp-arr-server

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "aplaceforallmystuff-mcp-arr": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-arr-server"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package mcp-arr-server - unscoped; check the name against the project README before installing

registry namespace io.github.aplaceforallmystuff is GitHub-verified and matches the repo owner

03 · What Arr can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can get connection status for all configured arr services, search across all configured services simultaneously, list all TV series in your library, and search for TV series by name (returns tvdbId for adding).

Capability map

Tools grouped from the project's README - what Arr lets an agent do.

Radarr

12 tools - e.g. List all movies in your library; Search for movies by name (returns tmdbId for adding); Add a movie to Radarr (supports tags)

radarr_get_movies · radarr_search · radarr_add_movie · radarr_get_root_folders · radarr_get_quality_profiles · radarr_get_queue…

Sonarr

11 tools - e.g. List all TV series in your library; Search for TV series by name (returns tvdbId for adding); Add a TV series to Sonarr (supports tags)

sonarr_get_series · sonarr_search · sonarr_add_series · sonarr_get_root_folders · sonarr_get_quality_profiles · sonarr_get_queue…

Lidarr

11 tools - e.g. List all artists in your library; Search for artists by name (returns foreignArtistId for adding); Add an artist to Lidarr (supports tags)

lidarr_get_artists · lidarr_search · lidarr_add_artist · lidarr_get_root_folders · lidarr_get_quality_profiles · lidarr_get_metadata_profiles…

Arr

2 tools - e.g. Get connection status for all configured arr services; Search across all configured services simultaneously

arr_status · arr_search_all

read & search

2 tools - e.g. Generic discovery tool for remote MCP clients such as ChatGPT; Generic detail-fetch tool for items returned by search

search · fetch

Prowlarr

2 tools - e.g. List all configured indexers; Search across all indexers

prowlarr_get_indexers · prowlarr_search

Latest releases

v1.7.3 · 2026-07-29

Fixed · Server no longer reports a stale version to clients. SERVER_VERSION was hardcoded to 1.6.3 and had not been updated for three releases, so every client saw 1.6.3 in the initialize response regardless of the…

v1.7.2 · 2026-06-30

Fixed · HTTP transport no longer deadlocks behind a gateway/proxy (#22, by @rwlove; fixes #21). The previous implementation shared a single module-level Server and serialized every request through a queue, because one…

v1.7.1 · 2026-06-30

Security · Bumped hono from 4.12.22 to 4.12.26 (#26) to clear five advisories affecting hono <= 4.12.24: CORS middleware reflecting any origin with credentials (GHSA-88fw-hqm2-52qc), serve-static path traversal via…

04 · Who maintains Arr

mcp-arr is maintained by aplaceforallmystuff. We track 5 MCP servers from aplaceforallmystuff - 3 actively maintained, 220 combined GitHub stars, oldest repo from Nov 2025. Full record: all servers from aplaceforallmystuff.

05 · Facts

repository: github.com/aplaceforallmystuff/mcp-arr
category: automation - ranked #17 of 194 actively-maintained automation servers as of 2026-08-25.
release cadence: 4 releases in the last 90 days (latest 2026-07-29)
registry: io.github.aplaceforallmystuff/mcp-arr (active, first published 2025-11-28)
packages: npm:mcp-arr-server

06 · Arr FAQ

Is Arr still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-09 and it shipped 4 releases in the last 90 days. We re-verify nightly.

What can Arr do?

With this server connected, an agent can get connection status for all configured arr services, search across all configured services simultaneously, list all TV series in your library, and search for TV series by name (returns tvdbId for adding).

How do I install Arr?

Run `npx -y mcp-arr-server`. The README documents 9 environment variables (SONARR_URL, SONARR_API_KEY, RADARR_URL…) to set first. Set SONARR_URL, SONARR_API_KEY, RADARR_URL, RADARR_API_KEY, LIDARR_URL, LIDARR_API_KEY, PROWLARR_URL, PROWLARR_API_KEY, MCP_TRANSPORT before connecting. You can also paste the ready-made client config above.

Does Arr run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Arr

Alternatives to Arr

Maintained automation servers if Arr isn't the fit.

More automation MCP servers · Claude KVM · Codex Control Plane MCP · Cogni Repo · Push Engage · Safeagent

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