Compatible with every major AI agent and IDE
What is the Mercado Libre MCP Server?
Connect your Mercado Libre seller account to any AI agent to streamline your e-commerce operations through natural conversation.
What you can do
- Product Listing — Predict the correct category for your items and create new listings with full attribute support
- Order Management — Search and retrieve detailed metadata for orders, including status, payment, and buyer info
- Logistics & Shipping — Track shipment status and monitor SLA dispatch times to protect your seller reputation
- Customer Service — Search for buyer questions, provide answers, and manage post-sale messaging flows
- Claims & Returns — Inspect active claims and return details to resolve customer issues efficiently
- Price & Promos — Check sale prices and identify items eligible for promotions
How it works
- Subscribe to this server
- Enter your Mercado Libre Access Token
- Start managing your store from Claude, Cursor, or any MCP-compatible client
Who is this for?
- E-commerce Managers — monitor store performance and order statuses without manual dashboard navigation
- Support Teams — respond to buyer questions and handle post-sale claims directly through the AI interface
- Logistics Coordinators — keep track of shipment deadlines and SLA compliance in real-time
Built-in capabilities (17)
Answer a buyer question
Requires title, category_id, price, currency_id, available_quantity, buying_mode, condition, listing_type_id, and pictures. Publish a new item on Mercado Libre
Create a test user
Get details of a post-purchase claim
Get current Mercado Libre user info
Get details for a specific order
Get post-sale messages
Check promotion eligibility
Get details of a product return
Get the current sale price of an item
Get shipment information
Get shipment SLA (Service Level Agreement)
Get addresses for a specific user
Predict category for a product title
Search orders for a seller
Search questions for a seller
Send a post-sale message
Why CrewAI?
When paired with CrewAI, Mercado Libre becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Mercado Libre tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.
- —
Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools
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CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the
mcpsparameter and agents auto-discover every available tool at runtime - —
Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls
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Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports
Mercado Libre in CrewAI
Mercado Libre and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Mercado Libre to CrewAI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Mercado Libre in CrewAI
The Mercado Libre MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 17 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in CrewAI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Mercado Libre for CrewAI
Every tool call from CrewAI to the Mercado Libre MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How can I check if a shipment is at risk of affecting my reputation?
You can use the get_shipment_sla tool with the Shipment ID. It will return the maximum dispatch time allowed to avoid penalties on your seller metrics.
Can the AI help me find the right category for a new product?
Yes! Use the predict_category tool by providing the product title and your site ID (e.g., MLA, MLB). The agent will suggest the most accurate category ID for your listing.
How do I see pending questions from buyers?
Ask the agent to run search_questions using your Seller User ID. It will list the recent questions asked by buyers on your items so you can answer them using answer_question.
How does CrewAI discover and connect to MCP tools?
CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.
Can different agents in the same crew use different MCP servers?
Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.
What happens when an MCP tool call fails during a crew run?
CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.
Can CrewAI agents call multiple MCP tools in parallel?
CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.
Can I run CrewAI crews on a schedule (cron)?
Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.
MCP tools not discovered
Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.
Agent not using tools
Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".
Timeout errors
CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.
Rate limiting or 429 errors
Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.
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