---
title: "Connect Langfuse to Responder Live (רב מסר) - APIANT.ai"
description: "When \"New Trace\" fires in Langfuse, your agent runs \"Add unwanted email\" in Responder Live (רב מסר)."
canonical: "https://apiant.ai/connect/langfuse-to-responder-live"
---

# Connect Langfuse to Responder Live (רב מסר)

When **New Trace** fires in [Langfuse](https://apiant.ai/connections/langfuse), your agent runs **Add unwanted email** in [Responder Live (רב מסר)](https://apiant.ai/connections/responder-live). Describe the whole flow and it is built, tested on every scenario and kept running.

Langfuse **1** trigger Langfuse **14** actions Responder Live (רב מסר) **15** 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 Responder Live (רב מסר) 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 can start in Responder Live (רב מסר)

- When **New Trace** in Langfuse then **Add unwanted email** in Responder Live (רב מסר)
- When **New Trace** in Langfuse then **Add list** in Responder Live (רב מסר)

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 Responder Live (רב מסר)

## Triggers and actions 1 trigger · 29 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).

- Action

**Add list**

Creates a new subscriber list in the Responder account.

- Action

**Add personal field**

Creates a new personal (custom) field on the account or on a specific list.

- Action

**Add tag to subscriber**

Adds one or more tags, by name, to an existing subscriber.

- Action

**Add unwanted email**

Adds an email address to the account's unwanted list so it no longer receives mailings.

- Action

**Create Subscriber**

Creates a new subscriber in one or more of your Responder lists.

- Action

**Delete subscriber**

Removes a subscriber from the Responder account.

- Action

**Delete tag from subscriber**

Removes a tag from a subscriber in Responder.

- Action

**Get list**

Returns a single Responder list by its ID, including its name, public name, sender and settings.

- Action

**List lists**

Returns all mailing lists in the Responder account, with each list's name, settings and subscriber count.

- Action

**List personal fields**

Returns the account-level personal fields defined in Responder, with their type, position and select options.

- Action

**List subscribers**

Returns the subscribers of a Responder list, with their contact details, status and personal field values.

- Action

**List tags**

Returns all subscriber tags defined in the Responder account.

- Action

**Unsubscribe subscriber**

Marks a subscriber as unsubscribed, identified by subscriber ID, email address or phone number.

- Action

**Update personal field**

Updates an existing personal field's name, type, visibility, position, default value or options.

- Action

**Update subscriber**

Updates an existing subscriber's name, email, phone, personal fields, tags and subscription status.

## 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)
- [ **Responder Live (רב מסר)** Responder Live (רב מסר) is an Israeli email autoresponder platform.](https://apiant.ai/connections/responder-live)

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 Responder Live (רב מסר)

- [ **HubSpot to Responder Live (רב מסר)** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-responder-live)
- [ **Salesforce to Responder Live (רב מסר)** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-responder-live)
- [ **Slack to Responder Live (רב מסר)** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-responder-live)
- [ **Google Sheets to Responder Live (רב מסר)** Google Sheets](https://apiant.ai/connect/google-sheets-to-responder-live)
- [ **Gmail to Responder Live (רב מסר)** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-responder-live)
- [ **Google Calendar to Responder Live (רב מסר)** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-responder-live)

Questions

## Langfuse and Responder Live (רב מסר), 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 Responder Live (רב מסר) when something happens in Langfuse?

Any of Responder Live (רב מסר)'s 15 actions, including Create Subscriber, Update personal field, Update subscriber and Add list. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Responder Live (רב מסר) to Langfuse?

Responder Live (רב מסר) has no triggers in the catalog today, so automations start in Langfuse. If you need the other direction, ask: your agent reads Responder Live (רב מסר)'s API documentation and adds it.

###

### Do I have to build a connector for Langfuse or Responder Live (רב מסר)?

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 Responder Live (רב מסר) 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.
