AI

Langfuse integrations

Connect Langfuse to any other app, or use it from your AI client over MCP. Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

Connects with an API keylangfuse.com
1 trigger14 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with Langfuse?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

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)
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)
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)
Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide (opens in a new tab)
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)
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)

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What your agent can do with Langfuse

Triggers and actions 1 trigger · 14 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).

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Questions

Langfuse, answered

Is there a Langfuse MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Langfuse. Add that address to any AI client that takes a remote MCP server, sign in once in your browser, and your client can build, test and run automations that use Langfuse. Nothing to install.

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 Langfuse?

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.

Which apps can Langfuse connect to?

Any app in the catalog; the list on this page pairs Langfuse with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

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.