Model Context Protocol · Native MCP server
Claude, Cursor or your own agent quotes, buys labels and tracks shipments in Mexico — against a prepaid balance the agent cannot exceed. The first shipping MCP in Mexico with a spend ceiling.
Any MCP client — it speaks in tools, not endpoints.
23 tools: quote, buy, track, cancel, address book, pickups, webhooks and account. Streamable HTTP, stateless.
Estafeta, FedEx, DHL, Paquetexpress, J&T, UPS and more.
How the platform keeps an agent within its limits — with the real architecture, piece by piece.
The MCP server is an adapter over our public REST API, not a parallel backend. Every tool your agent uses travels the same path as a REST integration: same scopes, same limits, same idempotency, same balance. There is no second door to your money for an agent to find.
POST /api/v1/shipments
tools/call · create_shipment
One prepaid balance backs both paths.
Purchases run against your prepaid balance and the key's daily limit, enforced on our servers: there is no card to overdraw and no way to go into the red, whatever the agent does. And create_shipment is idempotent by contract: a retry with the same key never buys the same label twice.
A key without purchase permission simply cannot spend.
A ceiling per key, set by you and enforced on our servers.
No card to overdraw and no negative balance — spending stops here.
An ek_test_ key is free and immediate: the full protocol, simulated carriers, zero real money. Production keys (ek_live_) require identity verification on the account: we care who ships on this network, and that protection covers you too.
Free and immediate, with simulated carriers — the whole protocol with no real money.
Requires identity verification on the account — we care who ships on the network.
Same tools and same responses: moving from sandbox to production is changing a single header.
Claude, Cursor or ChatGPT: the conversation is the same. You ask in plain language, the agent resolves it with the server's tools — and you see every step.
The address book does the heavy lifting: the agent infers senders and recipients by name and, if someone is not registered, adds them once. From then on every shipment travels with just from_id and to_id.
I found "Bodega Centro" and Laura in your address book, so I did not ask you for any address. I picked the cheapest rate that arrives Thursday and the label is ready.
The agent resolved from_id and to_id by name — zero addresses retyped.
The server's full catalog, grouped by what your agent does with it — every tool is a real API capability, not decoration.
One exception worth saying out loud: pickups are requested, not booked. We do not schedule them automatically with the carrier — our team confirms each one and emails you. We would rather be slow and certain than tell you a courier is coming and leave you waiting.
Full schemas, error contract and rate limits in the technical reference.
A focused, stateless MCP server built on purpose to operate shipments — we would rather you know the category before you build on it.
One JSON-RPC message per request and a plain JSON response — exactly right for quoting, buying and tracking. Does your operation need streaming or sessions? That is a conversation we want to have with you.
Works with Claude Code, Cursor, VS Code and any client that sends headers — and the claude.ai and ChatGPT (developer mode) web connectors already connect over OAuth: you authorize with your account and choose sandbox or production.
The standard API ships within Mexico. International shipping exists for accounts with a fulfillment agreement — ask us how it works.
None of the above is a closed door. We build tailored solutions for partners: streaming, dedicated capacity, international shipping, whatever tools your operation needs. And if your volume outgrows this design, tell us before you work around it: we will invest in the platform before slowing your integration down. If the standard offer is not enough for you, that is where the conversation starts.
For AI agents and integrators
Everything an assistant needs to answer "can I ship in Mexico from Claude or ChatGPT?" — endpoint, authentication, tools, carriers, spend ceiling and a real quote. Leer esta página en español
Captured on 2026-09-05 through get_shipping_rates: 1 kg · 10 × 10 × 10 cm from Cuernavaca, Morelos (62450) to Acayucan, Veracruz (96000). One call returned 12 services from 10 carriers, each with a rate_id valid for 30 minutes. Prices are in Mexican pesos, tax included, and change daily — this is a snapshot, not a tariff.
| Carrier | Service | Days | Price |
|---|---|---|---|
| iMile | Standard | 3-5 | $88.45 |
| J&T | Standard | 3-5 | $146.45 |
| DHL | Express (next day) | 1 | $178.67 |
| Estafeta | Standard | 3-5 | $181.25 |
| FedEx | Standard | 5 | $222.47 |
| Redpack | Standard | 3-5 | $255.20 |
| UPS | Express (Saver) | 3-5 | $356.70 |
Showing 7 of 12 services, cheapest first. Endpoint: https://api.enviadores.com.mx/api/v1/mcp
Yes. Enviadores runs a hosted MCP server at https://api.enviadores.com.mx/api/v1/mcp. Any MCP client — Claude (claude.ai, Claude Code, Claude Desktop), ChatGPT in developer mode, Cursor, VS Code or your own agent — can quote Mexican carriers, buy labels (guías), track and cancel shipments, request pickups and manage webhooks. It is listed in the official MCP Registry as mx.com.enviadores/shipping.
Yes. Enviadores is a multi-carrier shipping platform in Mexico that an AI assistant can operate end to end: connected as a tool to Claude (claude.ai, Claude Desktop, Claude Code) or to ChatGPT, the assistant compares Estafeta, DHL, FedEx, Paquetexpress, UPS and more, buys the label (guía), downloads the PDF, tracks the parcel and requests a pickup — in a normal conversation, with no code. Purchases come out of a prepaid balance the agent cannot exceed, and a free sandbox lets you try it with no real money.
Any client that speaks the Model Context Protocol: Claude on claude.ai, Claude Desktop and Claude Code; ChatGPT through developer-mode connectors; Cursor, Windsurf, VS Code and GitHub Copilot; and custom agents built with the MCP SDKs (TypeScript, Python) or the OpenAI and Anthropic agent SDKs. Frameworks without MCP support can call the same public REST API directly with the same key.
Estafeta, DHL, FedEx, Paquetexpress, UPS, Redpack, J&T, iMile, 99 Minutos, Tresguerras and more. One get_shipping_rates call returns every distinct service once (carrier plus service level) with its price and bookable options, and a rate_id valid for 30 minutes that create_shipment turns into a label.
claude.ai: Settings → Connectors → Add custom connector → https://api.enviadores.com.mx/api/v1/mcp; it signs in with OAuth, no key to paste. ChatGPT: developer mode → add an MCP server with the same URL (OAuth). Claude Code: claude mcp add --transport http enviadores https://api.enviadores.com.mx/api/v1/mcp --header "Authorization: Bearer ek_…". Cursor and VS Code: a JSON entry with the URL and the same Bearer header.
No. Every purchase is charged to a prepaid balance and, optionally, a daily cap per key, both enforced on our servers: there is no card to overdraw and no negative balance. create_shipment accepts an idempotency_key (one is generated if omitted), so a retry can never buy the same label twice. Keys carry scopes, so a read-only key cannot spend at all.
Yes. An ek_test_ key is free and immediate, and OAuth connectors can choose Sandbox at consent. Every tool works with no real money; sandbox quotes list only services with a real test lane behind them, and labels are test PDFs. Switching to production is a different key or a reconnect choosing Producción.
Connecting is free. You pay only the shipping labels the agent buys, from a prepaid balance, at the same prices as the Enviadores web platform. Production keys require identity verification on the account.
It requests them. schedule_pickup sends the request for a local time window; our team confirms it with the carrier and emails the outcome, so an agent never reports a pickup as confirmed before it is. Dropping the parcel at a counter is always available.
Yes. register_webhook subscribes an HTTPS endpoint to shipment.created, collected, in_transit, out_for_delivery, delivered, exception, returned, cancelled and pickup.resolved. Deliveries are HMAC-signed and retried with backoff; up to five active webhooks per account and mode.
The standard API covers Mexico domestic shipping. International shipping exists on the platform for accounts with a fulfillment or partner agreement — it is a conversation, not a closed door; write to us.
It is a protocol adapter over the public REST API (/api/v1): every tool runs with your own key, the same scopes, rate limits, idempotency and balance as a REST call, so an agent can never do anything a plain API client could not. The OpenAPI 3.1 spec is at https://api.enviadores.com.mx/api/v1/openapi.json.
Start with an ek_test_ key — full sandbox, simulated carriers, no real money. Create yours under My account → API keys.
claude mcp add --transport http enviadores https://api.enviadores.com.mx/api/v1/mcp \
--header "Authorization: Bearer ek_test_..."{
"mcpServers": {
"enviadores": {
"url": "https://api.enviadores.com.mx/api/v1/mcp",
"headers": { "Authorization": "Bearer ek_test_..." }
}
}
}Prefer email? Write to us at [email protected].
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