# Connect Contractbook and Langfuse

When **New Draft** fires in [Contractbook](https://apiant.ai/connections/contractbook), your agent runs **Add Comment** in [Langfuse](https://apiant.ai/connections/langfuse), or **New Trace** in Langfuse to **Get Document** in Contractbook. Describe the whole flow and it is built, tested on every scenario and kept running.

Contractbook **3** triggers Contractbook **5** 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 Contractbook and Langfuse to do together?

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)](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 Contractbook and Langfuse can do together

### From Contractbook to Langfuse

- When **New Draft** in Contractbook then **Add Comment** in Langfuse
- When **New Template** in Contractbook then **Add Dataset Item** in Langfuse

### From Langfuse to Contractbook

- When **New Trace** in Langfuse then **Get Document** in Contractbook
- When **New Trace** in Langfuse then **Create Contract** in Contractbook

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 Contractbook and Langfuse

## Triggers and actions 4 triggers · 19 actions

- Trigger

**Draft Edited**

Triggers when a draft document in Contractbook is edited.

- Trigger

**New Draft**

Triggers when a new draft document is created in Contractbook.

- Trigger

**New Template**

Triggers when a new template is added to your Contractbook account.

- Action

**Create Contract**

Creates a new contract document in Contractbook from one of your templates, optionally overriding its title, parties, data fields and other settings.

- Action

**Create Contract With Custom Parties**

Creates a new contract from a Contractbook template, with the parties and signees you specify.

- Action

**Create Draft**

Creates a new draft document from a Contractbook template, without sending it for signature.

- Action

**Create Draft With Custom Parties**

Creates a draft document from a template with the parties and signees you specify, without sending it for signature.

- Action

**Get Document**

Returns a Contractbook document (draft or contract) by its ID, including its parties, signees, data fields, state and events.

- 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

- [ **Contractbook** Contractbook is an easy signing and simple contract management tool for modern businesses.](https://apiant.ai/connections/contractbook)
- [ **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 Contractbook

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

## 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](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

## Contractbook and Langfuse, answered

###

### What can start an automation from Contractbook?

Any of Contractbook's 3 triggers in the catalog, including New Draft, New Template and Draft Edited. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in Langfuse when something happens in Contractbook?

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 Contractbook?

Yes. When something happens in Langfuse, your agent can act in Contractbook too. This page covers both directions: Langfuse's triggers and Contractbook's actions are listed here as well.

###

### Do I have to build a connector for Contractbook 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.

###

### 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.
