--- title: "Connect Langfuse and MailSlurp Email Plugin - APIANT.ai" description: "When \"New Trace\" fires in Langfuse, your agent runs \"Get email attachment\" in MailSlurp Email Plugin." canonical: "https://apiant.ai/connect/langfuse-to-mailslurp-email-plugin" --- # Connect Langfuse and MailSlurp Email Plugin When **New Trace** fires in [Langfuse](https://apiant.ai/connections/langfuse), your agent runs **Get email attachment** in [MailSlurp Email Plugin](https://apiant.ai/connections/mailslurp-email-plugin), or **New Attachment** in MailSlurp Email Plugin to **Add Comment** in Langfuse. Describe the whole flow and it is built, tested on every scenario and kept running. Langfuse **1** trigger Langfuse **14** actions MailSlurp Email Plugin **3** triggers MailSlurp Email Plugin **5** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Langfuse and MailSlurp Email Plugin 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 Langfuse and MailSlurp Email Plugin can do together ### From Langfuse to MailSlurp Email Plugin - When **New Trace** in Langfuse then **Get email attachment** in MailSlurp Email Plugin - When **New Trace** in Langfuse then **List Contacts** in MailSlurp Email Plugin ### From MailSlurp Email Plugin to Langfuse - When **New Attachment** in MailSlurp Email Plugin then **Add Comment** in Langfuse - When **New Contact** in MailSlurp Email Plugin then **Add Dataset Item** in Langfuse 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 Langfuse and MailSlurp Email Plugin ## Triggers and actions 4 triggers · 19 actions - 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). - Trigger **New Attachment** Triggered when a new attachment is uploaded or received in your MailSlurp account. - Trigger **New Contact** Triggered when a new contact is created in your MailSlurp address book. - Trigger **New Inbox** Triggers when a new inbox is created on your MailSlurp account. - Action **Delete Inbox** Permanently deletes a MailSlurp inbox, its email address and all of its emails. - Action **Get email attachment** Returns the contents of one attachment on an email, base64 encoded, along with its file type and size. - Action **Get Inbox** Fetches one MailSlurp inbox by id, including its email address, name and tags. An error occurs if the inbox is not found. - Action **List Contacts** Returns the contacts in your MailSlurp address book, newest or oldest first, optionally narrowed by a search term or a date range. - Action **List Inboxes** Returns the email inboxes on your MailSlurp account, with their addresses, names and tags. Returns at most 100 inboxes. ## Each app on its own - [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse) - [ **MailSlurp Email Plugin** MailSlurp is an API to generate test email accounts for sending and receiving real emails in tests.](https://apiant.ai/connections/mailslurp-email-plugin) Reviews ## What our customers say ## More from Langfuse - [ **Langfuse to 5DollarFootball** Football fixtures, results, standings and historical odds with corner and card lines](https://apiant.ai/connect/langfuse-to-5dollarfootball) - [ **Langfuse to Cloudflare Trace** Cloudflare Trace is a free JSON wrapper over Cloudflare's edge trace endpoint that reports what Cloudflare...](https://apiant.ai/connect/langfuse-to-cloudflare-trace) - [ **Langfuse to PaperClean** Clean document photos for printing, remove shadows, fix lighting](https://apiant.ai/connect/langfuse-to-paperclean) - [ **Langfuse to Postman** Postman is a platform for building and testing APIs.](https://apiant.ai/connect/langfuse-to-postman) - [ **Langfuse to Rendobar** Hosted media processing over REST: transcode, caption, watermark video](https://apiant.ai/connect/langfuse-to-rendobar) - [ **Langfuse to Runpod** Cloud GPU platform for renting on-demand compute to train and deploy AI models, including serverless...](https://apiant.ai/connect/langfuse-to-runpod) ## More into MailSlurp Email Plugin - [ **HubSpot to MailSlurp Email Plugin** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailslurp-email-plugin) - [ **Google Sheets to MailSlurp Email Plugin** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailslurp-email-plugin) - [ **Gmail to MailSlurp Email Plugin** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailslurp-email-plugin) - [ **Google Calendar to MailSlurp Email Plugin** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailslurp-email-plugin) - [ **Google Drive to MailSlurp Email Plugin** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailslurp-email-plugin) - [ **Mailchimp to MailSlurp Email Plugin** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailslurp-email-plugin) Questions ## Langfuse and MailSlurp Email Plugin, answered ### ### What can start an automation from Langfuse? Any of Langfuse's 1 trigger in the catalog, including New Trace. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailSlurp Email Plugin when something happens in Langfuse? Any of MailSlurp Email Plugin's 5 actions, including Get email attachment, Get Inbox, List Contacts and List Inboxes. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from MailSlurp Email Plugin to Langfuse? Yes. When something happens in MailSlurp Email Plugin, your agent can act in Langfuse too. This page covers both directions: MailSlurp Email Plugin's triggers and Langfuse's actions are listed here as well. ### ### Do I have to build a connector for Langfuse or MailSlurp Email Plugin? 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 Langfuse and MailSlurp Email Plugin 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.