--- title: "Connect EasyPost to Anthropic - APIANT.ai" description: "When \"New tracker update\" fires in EasyPost, your agent runs \"Create message batch\" in Anthropic." canonical: "https://apiant.ai/connect/easypost-to-anthropic" --- # Connect EasyPost to Anthropic When **New tracker update** fires in [EasyPost](https://apiant.ai/connections/easypost), your agent runs **Create message batch** in [Anthropic](https://apiant.ai/connections/anthropic). Describe the whole flow and it is built, tested on every scenario and kept running. EasyPost **1** trigger EasyPost **11** actions Anthropic **9** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want EasyPost and Anthropic to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What EasyPost can start in Anthropic - When **New tracker update** in EasyPost then **Create message batch** in Anthropic - When **New tracker update** in EasyPost then **Send model a message** in Anthropic Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with EasyPost and Anthropic ## Triggers and actions 1 trigger · 20 actions - Trigger **New tracker update** Triggers when EasyPost reports a tracker was created or updated, such as a new scan or status change on a package. - Action **Add address** Creates an address (a person, place or organization) in EasyPost, optionally verifying it for deliverability. Returns the saved address with any verification results. - Action **Add batch** Creates a batch of shipments in EasyPost, so they can be bought, labelled, manifested or picked up together. A batch can also be created empty and shipments added later. - Action **Add pickup** Creates a pickup request for a purchased shipment and returns the available pickup rates, which must then be bought to schedule the pickup. - Action **Add refund** Requests refunds for one or more purchased shipping labels by carrier and tracking code, and returns the resulting refund records. - Action **Add shipment** Creates a shipment from a destination address, an origin address and a parcel, and returns the shipment with its available shipping rates. - Action **Add tracker** Creates a tracker for a package tracking code (for labels bought outside EasyPost) and returns its current tracking status and history. - Action **Buy shipment** Purchases a shipping label for an existing shipment using the selected rate, returning the tracking code and postage label. - Action **Get address** Returns an address saved in EasyPost by its ID, including its verification results. - Action **Get batch** Returns a batch of shipments, including its state, shipment statuses, consolidated label and scan form. - Action **Get pickup** Returns a scheduled carrier pickup, including its status, confirmation number, address and available pickup rates. - Action **Get shipment** Returns a shipment, including its addresses, parcel, rates, label and tracking details. - Action **Anthropic agent message** Runs one AI agent turn on Anthropic and returns the model's reply. The turn is billed to the Anthropic account connected on this step, and the agent can call the account's AI tool automations. - Action **Cancel message batch** Cancel a Message Batch that is still processing. - Action **Count tokens in a message** Count the number of input tokens a Messages API request would use, without creating the message. - Action **Create message batch** Submit a batch of Messages API requests for asynchronous processing. - Action **Get message batch** Retrieve the status and request counts of a Message Batch by id. - Action **Get model** Retrieve details for a specific Claude model by id. - Action **List message batches** List Message Batches in the workspace, most recently created first. - Action **List models** List the available Claude models, most recently released first. - Action **Send model a message** Send a message to a Claude model and return its response. Supports the full Messages API: model, system prompt, multi-turn messages, max_tokens, tools, and adaptive thinking. ## Each app on its own - [ **EasyPost** EasyPost provides a simple postage API that allows developers to quickly and painlessly integrate shipping...](https://apiant.ai/connections/easypost) - [ **Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connections/anthropic) Reviews ## What our customers say ## More from EasyPost - [ **EasyPost to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/easypost-to-hubspot) - [ **EasyPost to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/easypost-to-salesforce) - [ **EasyPost to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/easypost-to-slack) - [ **EasyPost to Google Sheets** Google Sheets](https://apiant.ai/connect/easypost-to-google-sheets) - [ **EasyPost to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/easypost-to-gmail) - [ **EasyPost to Google Calendar** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/easypost-to-google-calendar) ## More into Anthropic - [ **HubSpot to Anthropic** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-anthropic) - [ **Salesforce to Anthropic** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-anthropic) - [ **Mailchimp to Anthropic** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-anthropic) - [ **Stripe to Anthropic** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/stripe-to-anthropic) - [ **Shopify to Anthropic** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/shopify-to-anthropic) - [ **QuickBooks Online to Anthropic** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/quickbooks-online-to-anthropic) Questions ## EasyPost and Anthropic, answered ### ### What can start an automation from EasyPost? Any of EasyPost's 1 trigger in the catalog, including New tracker update. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Anthropic when something happens in EasyPost? Any of Anthropic's 9 actions, including Create message batch, Send model a message, Anthropic agent message and Count tokens in a message. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Anthropic to EasyPost? Anthropic has no triggers in the catalog today, so automations start in EasyPost. If you need the other direction, ask: your agent reads Anthropic's API documentation and adds it. ### ### Do I have to build a connector for EasyPost or Anthropic? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use EasyPost and Anthropic without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.