Deer Supply
GLP weight-loss pens (Semaglutide, Tirzepatide, Retatrutide) with live pricing, delivery tracking and health charting fo
Connects to Deer Supply's Canadian pharmacy for GLP-1 weight-loss medications. Browse products, compare medications, get delivery estimates, track orders, and log weight and side effects on a treatment plan.
Try asking Muse: "Show me the price difference between Tirzepatide and Retatrutide pens and when they'd arrive in Toronto."
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Source: Found in the official MCP Registry (supply.deer/deer-supply) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 3 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://deer.supply/api/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Deer Supply is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://deer.supply/api/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 3079ms. Worked in 100% of checks over 30 days.
Screening · October 28, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 19
search_productsSearch Deer Supply's catalog (Canada). Weight loss: Retatrutide, Tirzepatide and Semaglutide as pre-filled, ready-to-use pens; also recovery products and ancillary capsules. Returns each product with its sizes, today's price in CAD (sales included), price per mg, quantity breaks,get_productEverything Deer Supply publishes about one product: what it is, sizes and prices, the published dosing schedule, what is in the box, lab (COA) reports, and the related FAQ answers. product_id comes from search_products (e.g. 'retatrutide').compare_weight_loss_medicationsSide-by-side comparison of the three GLP weight-loss medications Deer Supply sells (Semaglutide, Tirzepatide, Retatrutide): mechanism, generation, the landmark trial's average weight loss, maintenance dose, today's starting price and lowest price per mg in CAD. Use this when someestimate_weight_lossWhat the clinical trials averaged for someone at a given starting weight, per medication, at 6, 12 and 18 months, using the same curves as deer.supply/calculator. These are trial averages, not a prediction for any one person.quote_cartPrice a cart exactly as Deer Supply's checkout would: line prices with any sale or quantity break, an optional coupon code, shipping and the total in CAD, plus a delivery estimate when a Canadian postal code is given. variant_id values come from search_products. Nothing is reservcreate_cart_linkA deer.supply link that opens the cart with these items already in it, for the person to review and check out themselves (they enter their own delivery details and payment). Agents cannot place orders.delivery_estimateWhen an order placed now would ship and arrive, for a Canadian postal code, using the dates Deer quotes on its product pages (orders by noon Eastern ship that weekday; pens travel on the fastest service).get_helpAnswers from Deer Supply's FAQ (shipping, storage, payment, using the pens, eligibility, returns) plus links to its policies. Pass the question; leave it empty for the whole FAQ.get_store_infoWho Deer Supply is and how buying works: what it sells, where it ships, payment methods accepted right now, shipping costs, the money-back policy, lab testing, and how to reach a person.get_lab_resultsThird-party lab (COA) reports Deer Supply publishes per product size. Optional product_id.track_orderStatus of a Deer Supply order, given its order number AND the email it was placed with (the same check as deer.supply/track). Returns the status, dates, items and tracking number. Never returns addresses or payment details.get_my_accountRequires signing in with a Deer account. A plain-language summary of the signed-in customer's Deer account: their name, orders with status and tracking, store credit and rewards, and (when health access was granted) each health profile's weigh-ins, plan and side effects. The samelist_my_ordersRequires signing in with a Deer account. The signed-in customer's orders, newest first: number, date, status, total, items, tracking number and expected arrival.get_my_healthRequires signing in with a Deer account. Each health profile on the account (one sign-in can chart several people): its id (needed to log anything), recent weigh-ins in pounds and the trend, the treatment plan (medication, week, current dose, next injection, upcoming dose steps),log_weightRequires signing in with a Deer account. Record a weigh-in on one of the customer's health profiles. Confirm the number with the person first.import_weightsRequires signing in with a Deer account. Add many past weigh-ins at once (from a scale app, a spreadsheet, a photo the person shared). Days already logged are skipped. Show the person the list and get their OK first.report_side_effectRequires signing in with a Deer account. Send a side effect to the customer's care team on one profile. If it sounds severe, tell the person to get medical help right away (call 911 or go to an emergency department) as well; this report is not an emergency channel.resolve_side_effectRequires signing in with a Deer account. Mark one of the profile's open side effects as resolved (side_effect_id from get_my_health). Reopening one is the care team's job.set_health_emailsRequires signing in with a Deer account. Turn a profile's weigh-in reminder emails and/or reorder alert emails on or off.Recent checks
Link
https://deer.supply/api/mcpQuestions about Deer Supply in Muse
How do I connect Deer Supply to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Deer Supply to help me. It is a free service with an MCP server at https://deer.supply/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Deer Supply working right now?
At the last check (October 29, 2026, 09:15 UTC) the endpoint was working, answering in 3079ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Deer Supply safe to connect to Muse?
It was screened on October 28, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Deer Supply do in Muse?
It exposes 19 tools, including search_products, get_product, compare_weight_loss_medications, estimate_weight_loss. For example, you could ask Muse: "Show me the price difference between Tirzepatide and Retatrutide pens and when they'd arrive in Toronto."
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