Integrate USPS Developer Portal with Claude, Cursor, Chatbots & AI Agents MCP Server
GDPR Free for SubscribersCompatible with every major AI agent and IDE
GeminiCalculate domestic rate on USPS Developer Portal
Calculate USPS domestic shipping rates
Calculate international rate on USPS Developer Portal
Calculate USPS international shipping rates
Get delivery commitments on USPS Developer Portal
Get USPS service delivery commitments and estimates
Lookup usps city state on USPS Developer Portal
Look up the city and state for a ZIP code
Lookup usps zip code on USPS Developer Portal
Look up the exact ZIP code for a specific US address
Track usps package on USPS Developer Portal
Track a USPS package using a tracking number
Track usps package advanced on USPS Developer Portal
Get advanced tracking information for a USPS package
Verify usps address on USPS Developer Portal
Verify and standardize a US address using USPS Web Tools
Security & Code Integrity Audit
Every tool in the USPS Developer Portal MCP Server is continuously audited by the Vinkius Security Engine. We guarantee zero-trust payload isolation, strict data boundaries, and deterministic execution for enterprise-grade AI agents.
How Vinkius protects your data
Is there a risk of the AI "going crazy" and deleting important company data?
No. With Vinkius, the AI operates on "rails". It can only make the exact moves you authorized in the tool's settings. It cannot invent routes, access other networks in your company, or decide to delete random files. If the action isn't in the approved catalog, the attempt is blocked instantly.
Can I audit what my AI agents are doing with this integration?
Yes, Vinkius provides an immutable, HMAC-chained audit log. Every tool execution, payload, and response is tracked in real-time on your dashboard, giving you complete visibility into your agent's actions.
How do I find my USPS User ID?
Register for an account at the USPS Web Tools registration page. You will receive your User ID via email. Copy and paste it below.
Does the AI train on my tools or API data?
No. Vinkius enforces a strict Zero-Retention policy. Your data simply passes through our secure servers to complete the requested action and is instantly forgotten. Nothing you do here is ever stored, logged, or used to train any artificial intelligence.
USPS Developer Portal Capabilities for AI Assistants
The USPS Developer Portal MCP server handles authentication and payload formatting, allowing your LLM to perform deterministic actions.
Autonomous address verification via AI
Connect USPS Developer Portal to your AI agents (Claude, ChatGPT, Cursor) to manage address verification operations. The MCP server processes the underlying API requests and schema formatting for the industry titans domain.
package tracking & AI Execution
Add USPS Developer Portal to your workspace to support package tracking automation. The integration processes the required parameters for industry titans execution by LLMs.
USPS Developer Portal. Runs on everything.
From IDE to framework. Every connection governed by Vinkius.
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