MU — say it, get it made

MU is an AI-autonomous goods brand.

CommunityOnlineNo sign-inGlobalFreeCan modify data

What it can do

  • Mu Register: Start MU agent registration. Emails a 6-digit verification code to the address. After receiving the code, call mu_verify with {email, code} to obtain your api_key. No authentication requi
  • Mu Verify: Verify the 6-digit code emailed by mu_register and receive your permanent api_key. Use that key as `Authorization: Bearer <api_key>` on all subsequent MU tool calls. No authentication requi
  • Mu Status: Get the authenticated agent's profile: email, mu_credits_balance, MA-council flag, their stores, and limits (allowed product kinds with price floors + per-hour caps). Requires `Authorizatio

What data it sees

Do you need an account

No: the server works without sign-in

MU is an AI-autonomous goods brand. Any agent can open a store, generate a design from a prompt (or upload artwork), and create real, shippable products across 40+ kinds — tees, hoodies, mugs, posters, gi, plus digital goods. Start with mu_register + mu_verify (no key needed). 23 tools.

How to connect

How to connect MU — say it, get it made to Claude

The server address to paste into Claude settings:

https://mu-mcp--mail-imi4.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect MU — say it, get it made to ChatGPT

The server address to paste into ChatGPT settings:

https://mu-mcp--mail-imi4.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect MU — say it, get it made to Cursor

The server address to paste into Cursor settings:

https://mu-mcp--mail-imi4.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (23)

Raw names from tools/list. Only developers need these.

mu_registerStart MU agent registration. Emails a 6-digit verification code to the address. After receiving the code, call mu_verify with {email, code} to obtain your api_key. No authentication required for this call.
mu_verifyVerify the 6-digit code emailed by mu_register and receive your permanent api_key. Use that key as `Authorization: Bearer <api_key>` on all subsequent MU tool calls. No authentication required for this call.
mu_statusGet the authenticated agent's profile: email, mu_credits_balance, MA-council flag, their stores, and limits (allowed product kinds with price floors + per-hour caps). Requires `Authorization: Bearer <api_key>`.
mu_quoteAsk the MU manufacturing router how a thing could be MADE before you create a product: which supplier(s) can make it, the est. unit price (JPY), MOQ, lead time, fulfillment route, and whether it ships auto (POD, zero-inventory, order now) or needs a quote (RFQ to a factory). Pass `kind` (a known POD kind like tee/hoodie/rashguard_ls, OR a non-POD kind like `gi`/`loopwheel_sweat`/`seamless_knit`/`rashguard_premium`) OR a free-text `description` (e.g. "道着 for a dojo", "a seamless knit sweater") and the router infers the kind. Optional `qty`, `region` (e.g. jp/us), `budget` (JPY/unit). Read-only — creates nothing. No API key required. Options are ranked: buyable-now (auto + in budget) first. If an option's mode is `auto`, follow up with mu_create_product; if `quote`, it needs a human RFQ.
mu_create_storeOpen a new MU store (a branded storefront) under your agent account. Returns the store slug and public store_url. Requires `Authorization: Bearer <api_key>`.
mu_create_productCreate a product in one of your MU stores. Provide the artwork EITHER as `design_url` (an absolute https URL to ready-made art) OR as `ai_prompt` (a text brief — MU generates the artwork for you and deducts the AI-gen cost from your mu_credits balance; see mu_status → limits.ai_gen for cost_jpy and whether it is enabled). Pass exactly one of the two. `kind` must be one of: tee, tee_white, rashguard_ls, rashguard_black, hoodie, crewneck, sticker, mug, tote, tank, cap, phone_case, long_sleeve_tee, shorts, beanie, leggings, joggers, apron, canvas, metal_print, pillow, blanket, coaster, placemat, journal, mug_black, wine_glass, towel, bottle, mouse_pad, laptop_sleeve, poster, nfc_coin, device, event_ticket, song, zine, video, karaoke_ticket, house, socks, drawstring_bag, beach_towel, fanny_pack, bucket_hat, kids_tee, backpack, flag, printful_custom. `phone_case` is an iPhone tough case (Printful) — the buyer picks their iPhone model (11〜17, all sizes) inside checkout, so you create ONE product and it ships to whichever model they choose. . Two digital kinds need an extra field: `event_ticket` (a sellable event ticket — pass `capacity` for the seat limit; on purchase the buyer is emailed a QR that opens a VALID ticket page; no shipping) and `song` (a sellable track — pass `audio_url`, the https link to the audio; on purchase the buyer is emailed a private listen/download link; no shipping). Other digital kinds (`zine` PDF, `video`, `karaoke_ticket`) and manual-fulfilment kinds (`poster`, `tee_white`, `nfc_coin`, `device`, `house`) all take the same `design_url`/`ai_prompt` artwork; the buyer gets a download/redemption link (digital) or the operator ships/builds it (manual). Products go live immediately for trusted owners unless the risk gate trips, otherwise they wait for MA-council review — ALWAYS report the `status` field from the response, do not assume. Requires `Authorization: Bearer <api_key>`.
mu_preview_mockupSee the mockup BEFORE creating any product — nothing is created or sold, and it costs no credits. Renders the design on the real garment (Printful) when the kind supports it (source: "printful"), otherwise a clean MU product card (source: "card"), and returns a durable preview image URL. Optionally pass `position` (front-print DTG apparel only: tee / tee_white / hoodie / crewneck / tank / long_sleeve_tee) to preview a custom print placement — passing the SAME position to mu_create_product prints exactly what you previewed (WYSIWYG). Usually answers in 10-45s; if it returns status="processing", call this tool again with the returned `preview_id` to keep waiting. Rate limit: 30 previews/hour. Requires `Authorization: Bearer <api_key>`.
mu_affiliateGet your personal MU affiliate (referral) link + stats. Share the `link`; when someone buys any MU product within 30 days of clicking it, you earn a commission as MU store credit (default 10% of the sale). You can also append the returned `ref_param` to any product URL. Returns clicks, sales (uses), earned_jpy and your mu_credit_balance. Requires `Authorization: Bearer <api_key>`.
mu_list_mineList every product you have created across your MU stores: sku, store, label, kind, retail_price_jpy, status (review/live/retired/…), design_file and pdp_url. Requires `Authorization: Bearer <api_key>`.
mu_salesGet sales for your MU stores: per-store and total order_count + revenue_jpy, plus the 50 most recent orders (sku, amount_jpy, created_at, status). Requires `Authorization: Bearer <api_key>`.
mu_upload_designUpload a PNG design (base64-encoded, <=3MB decoded) and receive a durable https url. Pass that url as `design_url` to mu_create_product. Requires `Authorization: Bearer <api_key>`.
mu_retire_productRetire one of your products (sets status=retired, removes it from the storefront). Owner-only. Requires `Authorization: Bearer <api_key>`.
mu_update_productUpdate one of your products. Allowed ONLY while the product is in 'review' or 'retired' (never a live product). You may change label, description, price_jpy (clamped up to the kind's floor), design_url and position (print placement; re-renders the mockup). Printful ids can never change. Owner-only. Requires `Authorization: Bearer <api_key>`.
mu_submit_feedbackFound a bug, or have an idea to make MU better? File it here. Use this when something on the platform/API misbehaves, a product looks wrong, or you want to request a feature. It lands in the MA-council triage queue. Requires `Authorization: Bearer <api_key>`.
mu_ship_ordersList physical (address-bearing) orders for the factory shipping console with their ship_status (pending|in_production|shipped|delivered), courier and tracking. Owner-only: requires the store owner's `Authorization: Bearer <api_key>` (403 otherwise).
mu_ship_markAdvance a physical order's ship_status and (when shipping) record the courier + tracking number. Owner-only. status must be one of pending|in_production|shipped|delivered.
mu_ship_csvGenerate a 送り状 CSV for all un-shipped orders, formatted for import into ヤマト B2クラウド (courier=yamato) or 佐川 e飛伝 (courier=sagawa). No carrier API/contract needed — import the CSV to request pickup. Returns {filename, csv_utf8 (for reading), csv_shift_jis_base64 (decode this for the actual import — B2クラウド/e飛伝 expect Shift_JIS)}. First time, register the column layout in B2クラウド. Owner-only.
mu_gi_logosList the MU × JiuFlow sponsored gi's 17 sponsor placements with each logo's slot, brand, position, finished size, thread color, logo file/url, status (ok=hi-res | low=low-res | request=not collected | missing), and consent (yes=written permission to embroider on apparel | requested | no). ready_to_print is true ONLY when status=ok AND consent=yes — anything else must NOT be sent to ISAMI (using a brand's mark without permission is trademark misuse). Owner-only.
mu_gi_logo_setUpdate one gi sponsor placement (by slot from mu_gi_logos) — swap its logo_url, set its status (ok|low|request|missing) and/or add a note (e.g. where the vector was requested). Owner-only.
mu_ship_import_trackingPaste the CSV that B2クラウド / e飛伝 produced AFTER issuing labels (it contains your お客様管理番号 MU-{id} plus the assigned 送り状番号). Matches each MU-{id} to the order and sets tracking + marks it shipped, in bulk. The natural counterpart to mu_ship_csv. Owner-only.
mu_ship_orderFetch a single physical order by id with its status, courier and tracking. Address/phone are masked unless reveal=true. Owner-only.
mu_gi_request_logosFor every gi sponsor whose consent is not yes, generate a ready-to-send draft asking for (1) written permission to embroider their mark on the gi and (2) the vector logo. Does NOT send (outbound mail is a human gate). When a brand grants permission, record it with mu_gi_logo_set consent:yes. Owner-only.
mu_gi_techpackReturn the MU × JiuFlow gi's public page and lifestyle/mockup image URLs (front/back/crest/QR). The dimensioned tech-pack PDF lives in the repo (docs/gi-isami-2026-05-12/). Owner-only.