# Connect EasyPost and Langfuse When **New tracker update** fires in [EasyPost](https://apiant.ai/connections/easypost), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Add address** in EasyPost. Describe the whole flow and it is built, tested on every scenario and kept running. EasyPost **1** trigger EasyPost **11** actions Langfuse **1** trigger Langfuse **14** 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 Langfuse to do together? Give your AI client this address. `https://mcp.apiant.ai` 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 and Langfuse can do together ### From EasyPost to Langfuse - When **New tracker update** in EasyPost then **Add Comment** in Langfuse - When **New tracker update** in EasyPost then **Add Dataset Item** in Langfuse ### From Langfuse to EasyPost - When **New Trace** in Langfuse then **Add address** in EasyPost - When **New Trace** in Langfuse then **Add batch** in EasyPost 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 Langfuse ## Triggers and actions 2 triggers · 25 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. - Trigger **New Trace** Polling trigger: fires for newly created traces (dedup by trace id / timestamp). - Action **Add Comment** Add a comment to a trace/observation/session/prompt object. - Action **Add Dataset** Create a new dataset. - Action **Add Dataset Item** Create an item (input/expected_output/metadata) in a dataset. - Action **Add Prompt** Create a new prompt version (text or chat). - Action **Add Score** Create a score attached to a trace/observation/session (numeric, categorical, or boolean). - Action **Delete Trace** Delete a trace by id. - Action **Get Project** Reads the Langfuse project that the connection's project-scoped API key belongs to. - Action **Get Prompt** Get a prompt by name (and optional version/label). - Action **Get Trace** Get a single trace by id, including nested observations/scores. - Action **List Dataset Items** List items in a dataset. - Action **List Datasets** List all datasets in the project. - Action **List Prompts** List all prompts in the project. - Action **List Scores** List scores with optional filters. - Action **List Traces** List traces with optional filters (user, session, tags, timerange). ## 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) - [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse) 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 Langfuse - [ **Salesforce to Langfuse** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-langfuse) - [ **Google Drive to Langfuse** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-langfuse) - [ **HubSpot to Langfuse** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-langfuse) - [ **Slack to Langfuse** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-langfuse) - [ **Google Sheets to Langfuse** Google Sheets](https://apiant.ai/connect/google-sheets-to-langfuse) - [ **Gmail to Langfuse** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-langfuse) Questions ## EasyPost and Langfuse, 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 Langfuse when something happens in EasyPost? Any of Langfuse's 14 actions, including Add Comment, Add Dataset, Add Dataset Item and Add Prompt. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Langfuse to EasyPost? Yes. When something happens in Langfuse, your agent can act in EasyPost too. This page covers both directions: Langfuse's triggers and EasyPost's actions are listed here as well. ### ### Do I have to build a connector for EasyPost or Langfuse? 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. ### ### 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.