Mercado Livre Catalog MCP. Update prices, stock, and listings via conversation.
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Mercado Livre Catalog: Manage your entire e-commerce catalog, inventory, and pricing on Mercado Livre. Create new listings, change stock counts, update prices, or check category rules—all through natural conversation with your AI client.
Stop logging into the Seller Panel just to adjust a price; handle full product lifecycle management directly from chat.
What your AI agents can do
Create item
Publishes an entirely new product listing to the marketplace.
Delete item
Marks a specific product listing as inactive or closed.
Get categories
Lists the main, top-level category groupings available on Mercado Livre Brazil.
Publishes a brand new product to Mercado Livre, including all required details and attributes.
Updates the available quantity for one or more products across your catalog.
Changes the selling price of an existing listing to a new value.
Modifies key information on an item, such as the title, description, or core attributes.
Searches for items you own or checks which top-level categories are available on Mercado Livre Brazil.
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Mercado Livre Catalog: 9 Tools for E-commerce Management
These nine tools let your agent handle the full lifecycle of a product listing—from creating it to adjusting its price and stock counts.
019d75d5create item
Publishes an entirely new product listing to the marketplace.
019d75d5delete item
Marks a specific product listing as inactive or closed.
019d75d5get categories
Lists the main, top-level category groupings available on Mercado Livre Brazil.
019d75d5get domain attributes
Retrieves a list of mandatory attributes (like size or color) needed for a specific product domain/category.
019d75d5get item
Fetches all current details about one specific existing listing ID.
019d75d5search items
Searches for listings that belong to the authenticated user's account based on criteria you provide.
019d75d5update item
Changes a listing’s title, main description, or core attributes.
019d75d5update price
Sets the new selling price for an item ID.
019d75d5update stock
Changes the available quantity of a product listing.
Choose How to Get Started
Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.
Build Your Own
Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.
- Import from OpenAPI, Swagger, or YAML specs
- Create Agent Skills with progressive disclosure
- Deploy to edge with MCPFusion framework
- Built in DLP, auth, and compliance on every call
- Real time usage dashboard and cost metering
- Publish to catalog or keep private
Make Your AI Do More
Start with Mercado Livre Catalog, then connect any of our 4,700+ other servers whenever your AI needs more. One click, no limits.
- Use this MCP plus 4,700+ others, all in one place
- Add new capabilities to your AI anytime you want
- Every connection is secured and compliant automatically
- Track usage and costs across all your servers
- Works with Claude, ChatGPT, Cursor, and more
- New servers added to the catalog every week
What you can do with this MCP connector
Your AI client connects to Mercado Livre Catalog and manages your entire e-commerce presence without you ever touching the Seller Panel. This server exposes tools that treat your whole catalog like a database query: tell your agent what needs changing, and it handles the API calls.
To get started, check which major groupings are available on Mercado Livre Brazil using get_categories. You'll also need to know the mandatory details for a product before listing it; run get_domain_attributes to pull those required attributes—like size or color—for any specific category domain.
When you publish a new item, use create_item; this publishes an entirely new listing with all the necessary attributes and core data. If you're managing existing inventory, your agent can search through listings owned by your account using search_items, or pull up every detail for one specific product ID with get_item.
If a product needs changes, your client handles it. You use update_price to set a new selling price on any item ID. Changing the available quantity is simple; just run update_stock to adjust the inventory count. If you need to modify the listing's text or attributes—like changing the title, main description, or core product details—you call update_item.
When a product needs to go offline, use delete_item to mark that specific listing as closed or inactive.
This setup handles the whole product lifecycle: creating items, finding them by criteria, adjusting their price and stock levels on demand, modifying key details, and finally pulling them when they’re done. It's all direct chat commands.
How Mercado Livre Catalog MCP Works
- 1 Subscribe to the server and enter your Mercado Livre OAuth2 Access Token.
- 2 Direct your AI client (Claude, Cursor, etc.) to use the catalog tools. For example: 'Check the mandatory attributes for Cellphones.'
- 3 Your agent executes the required tool calls (
get_domain_attributes) and returns the structured data you need to proceed.
The bottom line is that your AI client manages the connection and execution of all catalog updates using your stored access token, so you don't have to worry about API authentication or sequential steps.
Who Is Mercado Livre Catalog MCP For?
This server is for e-commerce ops managers and digital marketers who hate context switching. If you spend more time logging into the Seller Panel than actually selling, this tool saves hours of tedious manual data entry and coordination.
Needs to update stock levels across hundreds of SKUs immediately when a shipment arrives, without opening the web portal.
Has new campaign copy and needs to publish 10 fresh product listings or change prices for seasonal sales instantly from a chat window.
Needs to check if a specific category requires mandatory attributes (like 'Voltage' or 'Model') before publishing anything new, ensuring compliance and preventing errors.
What Changes When You Connect
- Stock levels change instantly. Use
update_stockto adjust inventory counts across your entire catalog without ever leaving your chat window. It's fast, reliable, and keeps your sales records current. - Never miss a pricing opportunity. Change item costs using
update_price. You can test competitor rates in the prompt—the agent handles the API call, ensuring your prices are always right. - Know what to list first. Running
get_domain_attributestells you exactly which attributes (like voltage or material) you must include for a specific category, so new listings never get rejected. - Manage everything in one place. You can use
update_itemand then follow up withupdate_priceto change both the description and the cost of a product ID in two conversational turns. - Find what you need fast. Instead of sifting through spreadsheets, use
search_itemsto locate specific products owned by your account based on keywords or criteria.
Real-World Use Cases
The Seasonal Price Drop
The marketing lead runs a campaign for end-of-season clearance. Instead of manually logging in and updating 50 item pages, the agent is prompted: 'Drop the price on all winter jackets by 20%.' The agent executes search_items to find them, then loops through using update_price, completing the sale in minutes.
The Supply Chain Hiccup
The warehouse manager gets a shipment of 300 units for Model X. They prompt the agent: 'Update stock for MLB123456 to 300.' The agent runs update_stock, updating the inventory count immediately and preventing overselling.
The New Product Launch
A marketer needs to sell a new gadget. First, they run get_categories to find the right group, then get_domain_attributes for that category. Finally, they use all the collected data to create_item, publishing the listing correctly the first time.
The Out-of-Stock Cleanup
A product is discontinued and needs removal. The agent finds the old listing ID using search_items and then runs delete_item. This immediately takes it off sale without needing manual deletion in the seller portal.
The Tradeoffs
Trying to bulk update everything.
Writing a single prompt that says: 'Update stock, change price, and description for these 50 items.'
→
The agent handles multi-step actions best. Break it down: First, use search_items to get the list of IDs you need. Then, run separate commands: one call for update_stock, another for update_price. This keeps the transaction clean and traceable.
Forgetting mandatory attributes.
Trying to publish a 'Cellphone' listing without specifying Brand or Model, resulting in an API failure message.
→
Before creating anything, run get_domain_attributes for the target category. This forces your agent to collect all required data fields first.
Confusing item details with inventory.
Telling the agent: 'Update 50 units of Model X' and expecting it to change both stock and description simultaneously, which fails or only updates one thing.
→
Use two distinct tools. Run update_stock for quantity changes. If you also need to rewrite the text, run update_item separately.
When It Fits, When It Doesn't
You should use this server if your main workflow is centered on managing the product lifecycle: creating items, changing prices, or adjusting stock counts. It’s perfect for operational teams who need constant visibility into their catalog's status.
Don't use it if you need deep relational queries—for example, 'Show me all products sold in Q1 that used Brand X AND were reviewed by user Y.' This server focuses on the item itself (CRUD), not complex historical sales reports or cross-platform data linking. For those deeper analytics, look into dedicated business intelligence tools instead.
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Mercado Livre. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This server provides 9 capabilities that interface natively with Claude, ChatGPT, Cursor, and any MCP client. No middleware. No custom integration required.
Available Capabilities
Managing a catalog shouldn't feel like logging into five different websites.
Today, updating your product line means opening the Seller Panel, finding the item ID, navigating to the correct tab (pricing vs. inventory), manually changing the value, and hitting 'Save.' Doing this for a dozen products takes an hour of tedious clicks and copy-pasting.
With Mercado Livre Catalog MCP, you just tell your agent: 'Increase stock on all accessories by 150 units and drop prices across the board.' You get immediate confirmation that every single change ran successfully. It’s control without the click count.
Mercado Livre Catalog MCP Server gets you listing data from chat.
The manual process of checking product requirements is a nightmare: You find an item, then you have to search documentation for its category (like 'Cellphones'), and finally, you open another page just to see if it needs ‘RAM’ or ‘OS Version.’
Now, ask the agent: 'What mandatory attributes does the Cellphones category require?' The agent runs `get_domain_attributes` and spits out a clean list of required fields. You get data compliance instantly.
Common Questions About Mercado Livre Catalog MCP
How do I get an Access Token for Mercado Livre? +
Go to the Mercado Livre Developers portal, create an App, and use the OAuth2 flow to generate your Access Token. It usually starts with APP_USR-....
Can I create listings with images? +
Yes, the create_item tool accepts a JSON body where you can include picture IDs. Ensure images are already uploaded to Mercado Livre's servers via their Picture API first.
How do I update stock for multiple items? +
You can use the update_stock action for each item individually. For bulk updates, we recommend using the stock update endpoint directly or creating a loop in your workflow.
What listing types does Mercado Livre support? +
Mercado Livre supports several listing types: 'gold_special' (premium with fulfillment), 'gold_pro' (classic), and 'gold' (basic). Each type offers different levels of visibility, fees, and buyer reach.
What does the `get_domain_attributes` tool help me with? +
It tells you exactly which fields are required for a specific product category. Use this before running create_item because Mercado Livre mandates different attributes (like voltage or size) depending on what you're selling.
How do I find all listings belonging to my account using the `search_items` tool? +
The tool searches for items under your authenticated user profile. You can narrow down results by listing status or other parameters, though you'll need to check the developer documentation for full search string support.
Does using the `delete_item` tool permanently remove my product? +
No, it only deactivates the listing. Deactivating means the item is closed and unavailable in the marketplace, but you can easily modify or reactivate it later without having to rebuild the entire entry.
What specific data fields can I change when using the `update_item` tool? +
You update the listing's title, description, and attributes. This single command handles most major content changes, so you don't need separate actions just to tweak text or technical specifications.
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