--- title: "Connect Hume AI and Langfuse - APIANT.ai" description: "When \"New Voice\" fires in Hume AI, your agent runs \"Add Comment\" in Langfuse, or \"New Trace\" in Langfuse to \"Add config\" in Hume AI." canonical: "https://apiant.ai/connect/hume-ai-to-langfuse" --- # Connect Hume AI and Langfuse When **New Voice** fires in [Hume AI](https://apiant.ai/connections/hume-ai), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Add config** in Hume AI. Describe the whole flow and it is built, tested on every scenario and kept running. Hume AI **4** triggers Hume AI **13** 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 Hume AI 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 Hume AI and Langfuse can do together ### From Hume AI to Langfuse - When **New Voice** in Hume AI then **Add Comment** in Langfuse - When **Chat ended (instant)** in Hume AI then **Add Dataset Item** in Langfuse ### From Langfuse to Hume AI - When **New Trace** in Langfuse then **Add config** in Hume AI - When **New Trace** in Langfuse then **Add prompt** in Hume AI 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 Hume AI and Langfuse ## Triggers and actions 5 triggers · 27 actions - Trigger **Chat ended (instant)** Fires when an EVI chat session ends (chat_ended webhook event). - Trigger **Chat started (instant)** Fires when a new EVI chat session begins (chat_started webhook event). - Trigger **New Voice** Triggers when a new voice is created. - Trigger **Tool call (instant)** Fires when EVI calls a registered tool during a conversation (tool_call webhook event). - Action **Add config** Create a new EVI configuration (voice assistant setup). - Action **Add prompt** Create a new system prompt for use in an EVI configuration. - Action **Add tool** Create a new tool definition that EVI can call during a conversation. - Action **Add voice** Save a new custom voice to the account from a TTS generation ID, for reuse in later speech requests. - Action **Convert voice** Convert the speech in an uploaded audio file into a different saved voice. - Action **Delete config** Delete an EVI configuration from the account. - Action **Delete voice** Delete a saved custom voice from the account. - Action **Generate Text to Speech** Convert text to speech using Hume AI's expressive text-to-speech technology. - Action **List configs** List the EVI configurations saved to the account. - Action **List prompts** List the prompts saved to the account. - Action **List tools** List the tool definitions saved to the account. - Action **List voices** List the custom voices saved to the account. - Action **Update config** Update an EVI configuration's name or description. - 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 - [ **Hume AI** Hume AI is a platform for expressive AI interactions, that understands human emotions through voice and...](https://apiant.ai/connections/hume-ai) - [ **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 Hume AI - [ **Hume AI to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/hume-ai-to-salesforce) - [ **Hume AI to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/hume-ai-to-slack) - [ **Hume AI to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/hume-ai-to-mailchimp) - [ **Hume AI to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/hume-ai-to-stripe) - [ **Hume AI to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/hume-ai-to-shopify) - [ **Hume AI to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/hume-ai-to-quickbooks-online) ## 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 ## Hume AI and Langfuse, answered ### ### What can start an automation from Hume AI? Any of Hume AI's 4 triggers in the catalog, including New Voice, Chat ended (instant), Chat started (instant) and Tool call (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Langfuse when something happens in Hume AI? 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 Hume AI? Yes. When something happens in Langfuse, your agent can act in Hume AI too. This page covers both directions: Langfuse's triggers and Hume AI's actions are listed here as well. ### ### Do I have to build a connector for Hume AI 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 Hume AI 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.