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LabelGrid MCP Server

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LabelGrid MCP Server

@labelgrid/mcp — the official Model Context Protocol server for LabelGrid, the music distribution platform. Point Claude Desktop, Claude Code, Cursor, or any MCP client at your own LabelGrid account and manage your music catalog, releases, files, analytics, royalty accounting, webhooks, and distribution in natural language — it is a thin, typed wrapper over the LabelGrid public API, so every rule and validation stays on the server.

Quickstart

You need a LabelGrid API token (see Getting a token) and Node.js 20+. The server runs on demand via npx — nothing to install globally.

Claude Desktop — one-click install

The quickest way in, with no config file to edit:

  1. Download labelgrid.mcpb from the latest release.

  2. Double-click it, or open Claude Desktop → Settings → Extensions and drag the file in.

  3. When prompted, paste your LabelGrid API token — or leave it blank and let the in-chat guided setup walk you through creating one.

To update later, download the newer .mcpb and install it over the old one. Prefer to configure it yourself, or using a different client? The manual npx setup below works everywhere.

Claude Desktop — manual config

Add this to your claude_desktop_config.json (Settings → Developer → Edit Config):

{
  "mcpServers": {
    "labelgrid": {
      "command": "npx",
      "args": ["-y", "@labelgrid/mcp"],
      "env": {
        "LABELGRID_API_TOKEN": "your-token-here"
      }
    }
  }
}

Restart Claude Desktop. You should see the LabelGrid tools appear.

Claude Code

claude mcp add labelgrid -e LABELGRID_API_TOKEN=your-token-here -- npx -y @labelgrid/mcp

Cursor

Add this to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project):

{
  "mcpServers": {
    "labelgrid": {
      "command": "npx",
      "args": ["-y", "@labelgrid/mcp"],
      "env": {
        "LABELGRID_API_TOKEN": "your-token-here"
      }
    }
  }
}

First run / setup mode

If you start the server without LABELGRID_API_TOKEN, it does not fail — it launches in setup mode and exposes a single setup helper. Just ask your AI client to "set up LabelGrid" and it will walk you through creating a token and adding it to your config. Once the token is set, restart your client and the full toolset loads automatically.

Related MCP server: Discogs MCP Server

Getting a token

API access is part of LabelGrid's API plans — see the API Overview and Quickstart for what the API offers and how to activate it.

  1. Sign in to your LabelGrid dashboard.

  2. Go to Profile → API Tokens. (If you don't see this option, your account doesn't have API access yet — the API overview explains how to get it, or contact support.)

  3. Create a token and copy it into your client config as LABELGRID_API_TOKEN.

Treat the token like a password: it grants access to your catalog. Never commit it or paste it into a shared chat. Revoke a token any time from the same screen (or with the revoke_api_token tool).

Configuration

All configuration is via environment variables in your client config.

Variable

Default

Purpose

LABELGRID_API_TOKEN

Required. Your API token.

LABELGRID_API_URL

production API

Override the API base URL.

LABELGRID_ENABLE_WRITES

true

Safe writes (create/update drafts, labels, artists, …). Set false for reads only.

LABELGRID_ENABLE_FULL_WRITES

false

Arm full writes — see Safety model. Also requires the acknowledgment below.

LABELGRID_FULL_WRITES_ACK

Must equal the exact acknowledgment sentence to arm full writes.

LABELGRID_READ_ONLY

false

Force reads only; overrides both write flags.

LABELGRID_TOOLSETS

all

Comma-separated subset of toolsets to expose.

Valid toolsets: identity, reference, catalog, releases, review, analytics, accounting, delivery, webhooks, distribution.

Tool reference

83 tools across 10 toolsets. This table is generated from the tool definitions by npm run gen-docs — do not edit it by hand.

Identity identity

Tool

Gate

Description

get_me

read

Return the authenticated LabelGrid account profile, including the release submission limit/quota and terms-acceptance status. Use this to confirm which account your API token belongs to before making other calls.

revoke_api_token

write

Revoke a LabelGrid API token. Pass token_id to revoke a specific token; omit it to revoke the token currently in use. WARNING: revoking the current token immediately ends this session — the server loses access and stops working until you configure a new token.

Reference data reference

Tool

Gate

Description

list_reference_data

read

Fetch a LabelGrid reference dataset used to resolve the IDs and codes that catalog and release tools expect. Pick ONE dataset with type: genres and genre_categories (values for primary/secondary/tertiary genre IDs), languages (audio and metadata language codes), contributor_roles (valid role names for track contributors), instruments, distro_outlets (the distribution outlets/stores available to your account), or territories (country/territory codes). Call this before creating or updating a release or track when you need a valid ID or code.

Catalog (labels, artists, writers, publishers, releases, tracks, files) catalog

Tool

Gate

Description

list_labels

read

List the labels in your account, paginated. A label groups your releases and carries default copyright, website and outlet settings. Use get_label for the full detail of one label.

get_label

read

Retrieve one label by id, including its settings and defaults.

list_artists

read

List the artists in your account, paginated. Filter by artist_name to find a specific artist. Use get_artist for one artist’s full profile and links.

get_artist

read

Retrieve one artist by id, including bio, identifiers and platform links.

list_writers

read

List the songwriters in your account, paginated. Filter by name or ipi. Writers are attached to tracks for composition credits and royalty splits.

get_writer

read

Retrieve one writer by id, including PRO/IPI identifiers and publisher link.

list_publishers

read

List the publishers in your account, paginated. Filter by name or ipi. Publishers are linked to writers for publishing administration.

get_publisher

read

Retrieve one publisher by id.

list_releases

read

List releases in your account, paginated. Filter by label_id, is_live (1 = live/distributed), barcode_number (UPC/EAN), or cat (catalog number). Use get_release for one release’s full metadata and track listing.

get_release

read

Retrieve one release by id, including its metadata, artwork state and track listing.

list_tracks

read

List tracks in your account, paginated. Filter by release_id to list a release’s tracks, or by isrc. Use get_track for one track’s full metadata, credits and splits.

get_track

read

Retrieve one track by id, including titles, contributors, writers, publishers and royalty splits.

get_track_file

read

Retrieve metadata about one of a track’s asset files (its stereo audio, Dolby Atmos audio, or lyrics file), including its processing state. This returns file information, not the bytes — use get_track_audio_download_url for a downloadable link.

get_track_audio_download_url

read

Return a time-limited, signed URL to download one of a track’s audio assets. asset_type selects the asset: audio_16, audio_24, and audio_32 are the WAV master at that bit depth; audio_preview_full and audio_preview_clip are the generated MP3 preview (full-length / clip). Returns { download_url, expires_in }; the URL expires roughly 10 minutes after it is issued, so request a fresh one when it lapses. Fetch the URL directly — do not send your API token to it.

list_track_licenses

read

List the licenses attached to a track (e.g. cover/mechanical or sample clearances), paginated.

get_track_license

read

Retrieve one license attached to a track by its license id.

get_release_file

read

Retrieve metadata about a release animated cover (motion artwork) video asset — the square or the tall/portrait cover video — including its processing state.

create_label

write

Create a new label. Pass its attributes in fields.

update_label

write

Update a label. Supply only the fields you want to change in fields.

delete_label

write

Delete a label. The API refuses to delete a label that still has releases — remove or reassign its releases first.

upload_label_image

write

Upload a label image from a local file. image_type selects which asset: logo, logo-dark (a dark-mode variant), or background. file_path must be a local image file.

create_artist

write

Create a new artist. Pass its attributes in fields.

update_artist

write

Update an artist. Supply only the fields you want to change in fields.

delete_artist

write

Delete an artist. The API refuses deletion when the artist is still referenced by releases or tracks.

upload_artist_photo

write

Upload an artist photo from a local file. file_path must be a local image file.

create_writer

write

Create a new songwriter. Pass its attributes in fields.

update_writer

write

Update a writer. Supply only the fields you want to change in fields.

delete_writer

write

Delete a writer. The API refuses deletion when the writer is still referenced by tracks.

create_publisher

write

Create a new publisher. Pass its attributes in fields.

update_publisher

write

Update a publisher. Supply only the fields you want to change in fields.

delete_publisher

write

Delete a publisher. The API refuses deletion when the publisher is still referenced by writers.

Releases & tracks (draft lifecycle) releases

Tool

Gate

Description

create_release

write

Create a new release in DRAFT state. Pass its metadata in fields. Required: content_type, label_id, artists, titles, cat (catalog number), artwork_ai_usage, primary_genre_id. Pass idempotency_key and reuse the SAME value if you retry a call whose outcome you did not observe — the server deduplicates by it for 24h; without a key each call is a new operation. Add tracks with create_track, then validate_release before distributing.

update_release

write

Update a release’s metadata. Supply only the fields you want to change in fields. Once a release has been submitted or distributed, some fields are locked: attempting to change a locked field returns a 403 with code RELEASE_LOCKED_FIELDS, surfaced verbatim so you can see exactly which fields cannot be changed.

delete_release

write

Delete a release. The API only allows deleting a draft that has never been submitted; it refuses to delete a release that has been submitted or distributed.

create_track

write

Create a track on a release. Pass its metadata in fields. Required: release_id, disc, track_num, composition_type, artists, audio_ai_usage, composition_ai_usage, commercial_samples, audio_language, contributors, and recording_country (a required ISO 3166-1 alpha-2 country code, e.g. "US"). Pass idempotency_key and reuse the SAME value if you retry a call whose outcome you did not observe — the server deduplicates by it for 24h; without a key each call is a new operation.

update_track

write

Update a track’s metadata. Supply only the fields you want to change in fields. As with releases, some fields lock once the parent release is submitted or distributed.

delete_track

write

Delete a track. Allowed while the parent release is an editable draft; the API refuses once the release is submitted or distributed.

validate_release

write

Run validation on a release and return any problems that would block distribution, as both a human-readable errors list and a machine-readable errors_structured list. This is a near-read check: it changes nothing and is safe to repeat. Run it before distributing.

refresh_quality_report

write

Re-run the Preflight QC automated checks and refresh the release’s quality report. Read the results with get_quality_report. The server applies an hourly refresh budget, so frequent calls may be rate-limited. Preflight QC is an optional add-on.

update_landing_config

write

Set the smart-link landing-page configuration for a release. actions uses the current (v2) action-list contract — each entry describes one call-to-action on the page. You can also set links_page_enabled, config_mode, page_style, custom_cta_text, custom_description, and pre_order_links. This replaces the landing configuration.

create_release_short_url

write

Create (or return the existing) short URL for a release’s smart-link landing page. Safe to repeat.

add_review_issue_note

write

Add a note to a release review issue — for example to explain a fix or add context for the reviewer. review_issue_id is the id of the issue (from list_review_issues).

Review & quality review

Tool

Gate

Description

list_review_issues

read

List the review issues raised against a release during its automated quality checks. release_id is required. Each issue carries a code (see list_issue_definitions for what each code means), severity, and whether it blocks distribution. Use this to see what a customer must fix before a release can go out.

list_issue_definitions

read

Retrieve the catalog of review issue definitions: each code’s human-readable title, description, severity and whether it blocks distribution. Use it to interpret the codes returned by list_review_issues and the quality report. Issue codes are string slugs.

get_quality_report

read

Retrieve the Preflight QC quality report for a release: the customer-facing issues found by the automated checks so you can review them before confirming the release into distribution. Preflight QC is an optional add-on — if your account does not have it enabled the API returns a 403, which is surfaced verbatim.

list_stream_radar_flags

read

List Stream Radar flags for your releases, paginated — early-warning flags from streaming-integrity monitoring that surface possible artificial-streaming activity so you can act early. Filter by status, severity, dsp, isrc, release_id, and the last-detected date range (detected_from/detected_to). Stream Radar is an optional add-on; without it the API returns a 403, surfaced verbatim.

get_stream_radar_flag

read

Retrieve one Stream Radar flag by id, with its full detail. Stream Radar is an optional add-on; without it the API returns a 403, surfaced verbatim.

Analytics analytics

Tool

Gate

Description

get_analytics

read

Retrieve a streaming analytics summary for your catalog in a single call. start_date and end_date (both YYYY-MM-DD) are required and the window is capped at 30 days by the server. Optionally narrow the result by platform (SPOTIFY, ITUNES, APPLE_MUSIC), release_id, isrc, upc, or artist_names. By default all 15 metric sections are returned; pass metrics to request only a subset. Available metrics: streams, listeners, saves, skips, shares, completion-rate, lyrics-view-rate, canvas-view-rate, device-split, source-split, saves-by-tier, streams-by-country, streams-by-gender, streams-by-age, shares-by-country. This endpoint is rate-limited (about 60 requests per minute); a 429 response carries retry_after_seconds.

Accounting accounting

Tool

Gate

Description

list_statements

read

List your royalty statements, paginated. Filter by label_id, release_id, isrc, upc, and a start_date/end_date range. Pass group_by="release" to roll the totals up per release. Use get_statement for one statement, or download_statement_csv for its line items.

get_statement

read

Retrieve one royalty statement by its invoice number.

download_statement_csv

read

Download statement line items as CSV. Pass invoice_number for a single statement, OR a start_date/end_date range to export across statements. If save_to_path (an absolute path whose parent directory exists) is given, the CSV is written there — an existing file is never overwritten (returns FILE_EXISTS) — and the tool returns the byte count. Otherwise the CSV is returned inline, truncated at 100KB (with truncated: true) — use save_to_path for large exports.

download_statement_invoice

read

Download the invoice PDF for a statement. save_to_path is REQUIRED (the PDF is binary) and must be an absolute path whose parent directory exists; the PDF is written there — an existing file is never overwritten (returns FILE_EXISTS) — and the tool returns the byte count.

list_transactions

read

List account transactions, paginated. Filter by label_id, release_id, isrc, upc, and a start_date/end_date range; sort with sort; pass group_by="release" to roll up per release.

get_royalties_breakdown

read

Get a cursor-paginated royalty breakdown grouped by one or more dimensions. group_by is REQUIRED and is a comma-separated, ordered subset of: track, dsp, release, territory, period (e.g. "release,dsp"). Filter by label_id, release_id, isrc, upc, and a start_date/end_date range.

list_artificial_streams

read

List the artificial-streaming records reported for your catalog, cursor-paginated — the per-record detail behind any artificial-streaming fee. Filter by dsp (spotify or apple), a start_date/end_date range, release_id, or isrc.

get_artificial_fee_breakdown

read

Retrieve the per-release breakdown of an artificial-streaming fee for one billing period. period is the month in YYYY-MM format.

get_account_summary

read

Retrieve your accounting summary — current balance and related account-level financial totals.

Delivery delivery

Tool

Gate

Description

get_delivery_queue

read

List the distribution queue entries for your account, paginated — one entry per (release, outlet) delivery with its current status (e.g. pending review, processing, scheduled, complete, error). Filter by release_id, outlet_id, or status. Use this to see where a release is in the delivery pipeline to each store.

get_landing_config

read

Retrieve the smart-link landing-page configuration for a release: whether the links page is enabled, its style/mode, custom copy, the action list and any pre-order links. Pair with update_landing_config to change it.

Webhooks webhooks

Tool

Gate

Description

list_webhooks

read

List the webhook subscriptions configured on your account, each with its URL, subscribed events and active state.

get_webhook

read

Retrieve one webhook subscription by id.

get_webhook_logs

read

Retrieve the recent delivery log for a webhook — the attempts, response codes and outcomes — to debug why events did or did not reach your endpoint.

list_webhook_event_types

read

List every available webhook event type, each with the schema of the payload it delivers. Use it to decide which events to subscribe a webhook to.

create_webhook

write

Create a webhook subscription. name and url (the HTTPS endpoint that will receive events) are required, along with events selecting which event types to deliver. The API returns a signing secret once on creation — store it to verify incoming payloads.

update_webhook

write

Update a webhook subscription. Supply only the fields you want to change: name, url, events, or is_active (set false to pause deliveries).

delete_webhook

write

Delete a webhook subscription permanently. It will stop receiving events.

test_webhook

write

Send a test event to a webhook’s endpoint so you can confirm it is reachable and your signature verification works. Safe to repeat.

rotate_webhook_secret

write

Generate a new signing secret for a webhook and return it. WARNING: the old secret stops working immediately — update your endpoint’s signature verification with the new secret right away or deliveries will fail verification.

Distribution (full writes) distribution

Tool

Gate

Description

upload_track_audio

full-write

Upload a finalized audio file (stereo WAV/FLAC or Dolby Atmos) or lyrics (LRC) file for a track. The file is uploaded directly to storage and then processed asynchronously; check its state with get_track_file. Once a release is distributed the file is immutable — upload the correct master before distributing.

delete_track_audio

full-write

Delete one of a track’s asset files (stereo, Dolby Atmos, or lyrics). Allowed only while the parent release is still an editable draft; the API refuses once the release is locked or distributed.

upload_release_asset

full-write

Upload a finalized animated cover (motion artwork) video for a release — the square or the tall/portrait cover video. The video is uploaded directly to storage and then processed; check its state with get_release_file. Upload the correct video before distributing — it is immutable once the release is live. For the static cover art image use upload_release_artwork.

delete_release_asset

full-write

Delete a release animated cover (motion artwork) video — the square or the tall/portrait cover video. Allowed only while the release is still an editable draft.

upload_release_artwork

full-write

Upload or replace the release’s static cover art image from a local file. Cover art is immutable once the release is distributed — upload the final artwork before distributing.

upload_track_license

full-write

Attach a license document to a track (for a cover or a cleared sample). file_path is the local license file and type is "cover" or "sample". Optionally record license_id, license_provider, license_provider_name, and original_track_link. Licenses are immutability-governed once the release is live.

update_track_license

full-write

Replace the file and/or metadata of an existing track license. track_license_id is the id of the license (from list_track_licenses); file_path is the license file to submit. Optionally update license_id, license_provider, license_provider_name, and original_track_link.

delete_track_license

full-write

Permanently delete a track license and its file. track_license_id is the license id (from list_track_licenses). This cannot be undone.

distribute_release

full-write

Submit a release for distribution to the stores/outlets — this is the FINAL, consequential action that sends the release out; validate_release should pass first. The server enforces your account’s weekly submission limit and returns a structured error if it is exceeded. Pass idempotency_key and reuse the SAME value if you retry a call whose outcome you did not observe — the server deduplicates by it for 24h; without a key each call is a new submission.

takedown_release

full-write

Take a release down from ALL outlets/stores — a final, consequential action that removes it everywhere it was delivered. Re-distribution afterward is a fresh submission.

confirm_review

full-write

Confirm a release that Preflight QC placed on hold, moving it into distribution review. Use after you have reviewed the quality report and accept the release as-is. Safe to repeat.

enable_beatport

full-write

Request Beatport onboarding for a label. This is a one-time action that cannot be un-requested once submitted, so confirm the label is correct first.

Safety model

The server has three gates. Each is fail-closed: a tool is only registered — and only callable — when its gate is armed.

  1. Reads — always on. Listing and fetching your catalog, analytics, statements, and so on.

  2. Safe writes (LABELGRID_ENABLE_WRITES, on by default) — reversible, draft-stage changes: creating and editing draft releases and tracks, labels, artists, writers, publishers, webhooks, landing pages, and notes. Set LABELGRID_ENABLE_WRITES=false (or LABELGRID_READ_ONLY=true) to turn these off.

  3. Full writes (LABELGRID_ENABLE_FULL_WRITES, off by default) — consequential, hard-to-reverse actions. To arm them you must set both:

    LABELGRID_ENABLE_FULL_WRITES=true
    LABELGRID_FULL_WRITES_ACK=I accept responsibility for AI-driven distribution actions

    The acknowledgment string must match exactly, or full writes stay off. When armed, the distribution toolset becomes available. These tools can:

    • upload finalized (immutable) track audio and release artwork,

    • upload, update, and delete track licenses,

    • distribute a release to stores — a final submission subject to your account's weekly limit,

    • take a release down from all stores,

    • confirm a held release into review,

    • request one-time Beatport onboarding for a label.

Leaving LABELGRID_ENABLE_FULL_WRITES unset is the safe default: your AI assistant can prepare and validate everything, but the irreversible submission stays a deliberate, opt-in step.

Rate limits & errors

Every tool returns either the API's JSON payload or a structured error — never a raw protocol failure — so your assistant can reason about what went wrong. The error shape is:

{
  "error": {
    "code": "VALIDATION_FAILED",
    "message": "The submitted data was invalid.",
    "status": 422,
    "errors": { "title": ["The title field is required."] }
  }
}

Common codes: TOKEN_INVALID (401 — check your token), FORBIDDEN (403 — plan/permission or a locked field, with the server's code passed through), NOT_FOUND (404), VALIDATION_FAILED (422, with errors), RATE_LIMITED (429), SERVER_ERROR (5xx), NETWORK_ERROR, and FILE_NOT_FOUND / UPLOAD_FAILED for local file operations.

Rate limits. A 429 is surfaced with a retry_after_seconds field (from the API's Retry-After header). The server does not auto-retry — your client decides when to try again. Analytics is limited to roughly 60 requests per minute.

Contributing

Issues and pull requests are welcome. An API-coverage drift check runs in CI against a committed snapshot of the public API document and fails when the snapshot gains an endpoint this server does not expose (refresh the snapshot with node scripts/fetch-openapi.mjs). This repo uses:

  • TypeScript (strict ESM), Node 20+, with @modelcontextprotocol/sdk and zod as the only runtime dependencies.

  • Biome for lint + format (npm run lint).

  • Vitest for tests (npm test).

Local workflow:

npm ci
npm run build        # tsc
npm test             # unit tests
npm run lint         # biome
npm run leak-guard   # repository hygiene scan
npm run gen-docs     # regenerate the tool table above (after build)

Every tool is a thin declaration — one HTTP call plus response shaping, no client-side business logic. Please keep it that way: validation and rules belong on the server. The tool table in this README is generated (npm run gen-docs); edit tool descriptions in src/tools/, not the table.

These disclosures are also surfaced at runtime: in the MCP instructions field your client receives on initialize, and on stderr at startup. The text below mirrors the runtime constants in src/legal.ts.

  • Summary. This software is provided AS-IS, without warranty of any kind, express or implied. By using it you accept sole responsibility for your use of the LabelGrid API and for every action taken by any AI client or agent you connect to this server, including write operations against your LabelGrid account. Your use of the API through this server is governed by the LabelGrid API Terms of Service and Acceptable Use Policy. This server does not bypass server-side protections such as rate limits, plan entitlements, or terms enforcement. See LICENSE (MIT).

  • Full writes. When full writes are armed: distribution submissions, takedowns, and immutable file uploads initiated by an AI agent have real, potentially irreversible consequences for your releases on streaming platforms and stores. By setting the LABELGRID_FULL_WRITES_ACK acknowledgment variable you accepted that all such actions are your sole responsibility.

  • Data handling. This server transmits your LabelGrid catalogue and account data to the AI client you configure. Choosing that client, and disclosing that data flow where required, is your responsibility.

License

MIT © LabelGrid

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