# February 10

## Connectors

### **Updates on the MCP Server Trigger**

#### **Support for External JWT**

The MCP Server Trigger now supports authentication using **External JWT**, allowing validation of tokens from external identity providers (such as Auth0, Azure AD, and Okta) through an `externalJWT` header.

By centralizing authentication in an external IdP, you eliminate the need to manage isolated credentials and ensure a unified audit trail.

<a href="/spaces/EKM2LD3uNAckQgy1OUyZ/pages/FGD8OOw7DBvy1DCQGwpX" class="button primary">Learn more</a>

<figure><img src="/files/HnmkIvk6FqIqsygBlJnU" alt=""><figcaption></figcaption></figure>

#### **Enhanced compatibility with AI agents**

We updated the **MCP Server Trigger** response to align with official MCP protocol specifications. Responses are now encapsulated inside the **`content`** field, enabling seamless, plug-and-play integration with AI agents.

This ensures accurate data interpretation and higher reliability for your AI-driven automation workflows.

### **Parquet connectors update: Improved JSON normalization**

We've updated the [**Parquet File Reader**](/documentation/connectors-and-triggers/connectors/files/parquet-file-reader.md) and [**Stream Parquet File Reader**](/documentation/connectors-and-triggers/connectors/files/stream-parquet-file-reader.md) connectors to improve JSON output when reading data using Parquet tools. The improvements focus on transforming raw data into readable formats with new parameters:

* `convertDateFields`: Enables `DATE`/`TIMESTAMP` fields to be converted from epoch/serial numbers to ISO-8601 strings.
* `dateFieldPaths`: Specifies fields if the schema lacks logical type declarations.
* `decodeBase64Fields`: Scans the output JSON to decode valid Base64 strings into UTF-8 text, replacing raw binary data with readable content.

## Platform Improvements

### **Experience improvements**

We’ve made several improvements to the user experience across the Build, Run, and Monitor pages, including:

* Added visual emphasis to filter dropdowns when a non-default value is selected.
* Introduced a new and improved date selector on the Monitor pages.
* Adjusted the size of input fields on the Executions and Pipeline Logs pages in Monitor.
* Updated the font weight of chart titles on the Metrics page in Monitor.
* Reordered columns in the Executions and Pipeline Logs tables.

## **Bug fixes**

* **Error on Azure Blob Storage when using Double Braces:** We fixed a bug that caused an error on the Blob Storage connector when using Double Braces expressions.
* **Error when reading Parquet files:** We fixed a bug that caused an error when reading Parquet files using Parquet File Reader or Stream Parquet File Reader.


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