EasyPost MCP Server for Vercel AI SDK 10 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect EasyPost through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using EasyPost, list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
main();
* 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
About EasyPost MCP Server
Integrate EasyPost, the leading shipping API for e-commerce, directly into your AI workflow. Manage your outbound shipments and carrier rates, track packages in real-time with detailed event logs, monitor your connected carrier accounts (UPS, FedEx, USPS, etc.), and oversee your shipping addresses using natural language.
The Vercel AI SDK gives every EasyPost tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 10 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
What you can do
- Shipment Oversight — List and retrieve detailed information, rates, and carrier options for all your logistics shipments.
- Real-time Tracking — Monitor active trackers, resolving real-time transit statuses, checkpoint events, and estimated delivery dates.
- Carrier Management — Access and monitor all connected carrier accounts, verifying active service capability boundaries across your fleet.
- Delivery Auditing — Retrieve high-level summaries of shipment activity, success rates, and identify packages currently in transit.
The EasyPost MCP Server exposes 10 tools through the Vinkius. Connect it to Vercel AI SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect EasyPost to Vercel AI SDK via MCP
Follow these steps to integrate the EasyPost MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 10 tools from EasyPost and passes them to the LLM
Why Use Vercel AI SDK with the EasyPost MCP Server
Vercel AI SDK provides unique advantages when paired with EasyPost through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same EasyPost integration everywhere
Built-in streaming UI primitives let you display EasyPost tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
EasyPost + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the EasyPost MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query EasyPost in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate EasyPost tools and return structured JSON responses to any frontend
Chatbots with tool use: embed EasyPost capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with EasyPost through natural language queries
EasyPost MCP Tools for Vercel AI SDK (10)
These 10 tools become available when you connect EasyPost to Vercel AI SDK via MCP:
get_easypost_account_metadata
Retrieve metadata and usage limits for your EasyPost account
get_shipment_details
Get detailed information and rates for a specific shipment
get_tracking_details
Get real-time tracking events and status for a specific tracker
list_active_trackers
List all active tracking objects in your account
list_carrier_accounts
List all connected carrier accounts (e.g. UPS, FedEx, USPS)
list_in_transit_packages
Identify shipments that are currently in transit with a carrier
list_latest_shipments
Identify the most recently created shipments
list_shipping_shipments
List all shipments created in your EasyPost account
quick_delivery_health_audit
Retrieve a high-level summary of shipment activity and delivery success rates
search_by_tracking_code
Search for a tracker using a specific tracking code
Example Prompts for EasyPost in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with EasyPost immediately.
"List all active package trackers."
"Show me the details for shipment 'shp_998877'."
"Which carrier accounts are connected to my account?"
Troubleshooting EasyPost MCP Server with Vercel AI SDK
Common issues when connecting EasyPost to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpEasyPost + Vercel AI SDK FAQ
Common questions about integrating EasyPost MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.Connect EasyPost with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect EasyPost to Vercel AI SDK
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.