EasyPost MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect EasyPost through the Vinkius and Mastra agents discover all tools automatically — type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token — get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"easypost": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "EasyPost Agent",
instructions:
"You help users interact with EasyPost " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with EasyPost?"
);
console.log(result.text);
}
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.
Mastra's agent abstraction provides a clean separation between LLM logic and EasyPost tool infrastructure. Connect 10 tools through the Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution — deployable to any Node.js host in one command.
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 Mastra AI 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 Mastra AI via MCP
Follow these steps to integrate the EasyPost MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from EasyPost via MCP
Why Use Mastra AI with the EasyPost MCP Server
Mastra AI provides unique advantages when paired with EasyPost through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure — add EasyPost without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every EasyPost tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host — Vercel, Railway, Fly.io, or your own infrastructure
EasyPost + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the EasyPost MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query EasyPost, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed EasyPost as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query EasyPost on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using EasyPost tools alongside other MCP servers
EasyPost MCP Tools for Mastra AI (10)
These 10 tools become available when you connect EasyPost to Mastra AI 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 Mastra AI
Ready-to-use prompts you can give your Mastra AI 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 Mastra AI
Common issues when connecting EasyPost to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpEasyPost + Mastra AI FAQ
Common questions about integrating EasyPost MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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 Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.