--- title: "Connect Cakemail and Langfuse - APIANT.ai" description: "When \"New Contact\" fires in Cakemail, your agent runs \"Add Comment\" in Langfuse, or \"New Trace\" in Langfuse to \"Add Suppressed Email\" in Cakemail." canonical: "https://apiant.ai/connect/cakemail-to-langfuse" --- # Connect Cakemail and Langfuse When **New Contact** fires in [Cakemail](https://apiant.ai/connections/cakemail), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Add Suppressed Email** in Cakemail. Describe the whole flow and it is built, tested on every scenario and kept running. Cakemail **8** triggers Cakemail **2** 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 Cakemail and Langfuse 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 Cakemail and Langfuse can do together ### From Cakemail to Langfuse - When **New Contact** in Cakemail then **Add Comment** in Langfuse - When **New Email Bounce** in Cakemail then **Add Dataset Item** in Langfuse ### From Langfuse to Cakemail - When **New Trace** in Langfuse then **Add Suppressed Email** in Cakemail - When **New Trace** in Langfuse then **Find Contact by Email** in Cakemail 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 Cakemail and Langfuse ## Triggers and actions 9 triggers · 16 actions - Trigger **New Contact** Triggers when a new Contact is added. - Trigger **New Email Bounce** Triggers when an email bounces. - Trigger **New Email Click** Triggers when a new Email Click is tracked. - Trigger **New Email Open** Triggers when a new Email Open is tracked. - Trigger **New List** Triggers when a List is created. - Trigger **New Suppressed Email** Triggers when a new Suppressed Email is added. - Trigger **Unsubscribed Contact** Triggers when a Contact is unsubscribed. - Trigger **Updated Contact** Triggers when a Contact is updated. - Action **Add Suppressed Email** Adds an email address to the Cakemail suppression list so no further mail is sent to it. - Action **Find Contact by Email** Returns the contacts on a Cakemail list whose email address matches the one you supply. - 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 - [ **Cakemail** Cakemail provides all the tools you need to deliver the emails people want.](https://apiant.ai/connections/cakemail) - [ **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 Cakemail - [ **Cakemail to Texto (SMS)** Texto (SMS) is a SMS messaging platform built for Australian businesses, supporting bulk SMS campaigns and...](https://apiant.ai/connect/cakemail-to-texto-sms) - [ **Cakemail to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/cakemail-to-hubspot) - [ **Cakemail to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/cakemail-to-salesforce) - [ **Cakemail to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/cakemail-to-slack) - [ **Cakemail to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/cakemail-to-google-sheets) - [ **Cakemail to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/cakemail-to-gmail) ## 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 is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](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 ## Cakemail and Langfuse, answered ### ### What can start an automation from Cakemail? Any of Cakemail's 8 triggers in the catalog, including New Contact, New Email Bounce, New Email Click and New Email Open. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Langfuse when something happens in Cakemail? 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 Cakemail? Yes. When something happens in Langfuse, your agent can act in Cakemail too. This page covers both directions: Langfuse's triggers and Cakemail's actions are listed here as well. ### ### Do I have to build a connector for Cakemail 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. ### ### Can my AI client use Cakemail and Langfuse 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.