langflow-ai · aimurphy · Jul 30, 2025 · Jul 24, 2025 · Jul 24, 2025 · Jul 24, 2025
diff --git a/SECURITY.md b/SECURITY.md
@@ -59,4 +59,4 @@ Setting `LANGFLOW_SKIP_AUTH_AUTO_LOGIN=true` and `LANGFLOW_AUTO_LOGIN=true` skip
 
 `LANGFLOW_SKIP_AUTH_AUTO_LOGIN=true` is the default behavior, so users do not need to change existing workflows in 1.5. To update your workflows to require authentication, set `LANGFLOW_SKIP_AUTH_AUTO_LOGIN=false`.
 
-For more information, see [Authentication](https://docs.langflow.org/configuration-authentication).
+For more information, see [API keys and authentication](https://docs.langflow.org/api-keys-and-authentication).
diff --git a/docs/docs/API-Reference/api-reference-api-examples.mdx b/docs/docs/API-Reference/api-reference-api-examples.mdx
@@ -59,11 +59,8 @@ You can configure the Langflow port number in the `LANGFLOW_PORT` [environment v
 
 ### Authentication
 
-In Langflow versions 1.5 and later, most API endpoints require a Langflow API key, even when `AUTO_LOGIN` is set to `True`.
-The only exceptions are the MCP endpoints `/v1/mcp`, `/v1/mcp-projects`, and `/v2/mcp`, which never require authentication.
-
-To authenticate a Langflow API request, provide a Langflow API key in either an `x-api-key` header or query parameter.
-For more information, see [API keys](/configuration-api-keys).
+In Langflow versions 1.5 and later, most API endpoints require authentication with a Langflow API key in either an `x-api-key` header or query parameter.
+For more information, see [API keys and authentication](/api-keys-and-authentication).
 
 As with any API, follow industry best practices for storing and referencing sensitive credentials.
 For example, you can [set environment variables](#set-environment-variables) for your API keys, and then reference those environment variables in your API requests.
@@ -117,7 +114,7 @@ curl --request POST \
 }'
 ```
 
-Commonly used values in Langflow API requests include your [Langflow server URL](#base-url), [Langflow API keys](/configuration-api-keys), flow IDs, and [project IDs](/api-projects#read-projects).
+Commonly used values in Langflow API requests include your [Langflow server URL](#base-url), [Langflow API keys](#authentication), flow IDs, and [project IDs](/api-projects#read-projects).
 
 You can retrieve flow IDs from the [**API access** pane](/concepts-publish#api-access), in a flow's URL, and with [`GET /flows`](/api-flows#read-flows).
 

diff --git a/docs/docs/Agents/agents.mdx b/docs/docs/Agents/agents.mdx
@@ -115,7 +115,7 @@ For example, to use the default OpenAI model, you must provide a valid OpenAI AP
 
 You can enter the key directly, but it is recommended that you follow industry best practices for storing and referencing API keys.
 For example, you can use a <Icon name="Globe" aria-hidden="true"/> [global variable](/configuration-global-variables) or [environment variables](/environment-variables).
-For more information, see [Add component API keys to Langflow](/configuration-api-keys#add-component-api-keys-to-langflow).
+For more information, see [Add component API keys to Langflow](/api-keys-and-authentication#component-api-keys).
 
 If you select **Custom** as the model provider, authentication is handled in the incoming **Language Model** component.
 

diff --git a/docs/docs/Components/bundles-lmstudio.mdx b/docs/docs/Components/bundles-lmstudio.mdx
@@ -31,7 +31,7 @@ You can toggle parameters through the <Icon name="SlidersHorizontal" aria-hidden
 | api_key | LM Studio API Key | Input parameter. The API key for authentication with LM Studio, if required. |
 | max_tokens | Integer | Input parameter. Maximum number of tokens to generate in the response. Default: `512`. |
 | temperature | Float | Input parameter. Controls randomness in the output. Range: `[0.0, 2.0]`. Default: `0.7`. |
-| top_p | Float | Input parameter. Controls diversity via nucleus sampling. Range: `[0.0, 1.0]`. Default: `1.0`. |
+| top_p | Float | Input parameter. Controls diversity with nucleus sampling. Range: `[0.0, 1.0]`. Default: `1.0`. |
 | stop | List[String] | Input parameter. List of strings that stop generation when encountered. |
 | stream | Boolean | Input parameter. Whether to stream the response. Default: `False`. |
 | presence_penalty | Float | Input parameter. Penalizes repeated tokens. Range: `[-2.0, 2.0]`. Default: `0.0`. |

diff --git a/docs/docs/Components/components-custom-components.mdx b/docs/docs/Components/components-custom-components.mdx
@@ -175,7 +175,7 @@ outputs = [
 ]
 ```
 
-In this example, both outputs will be available via a dropdown selection in the UI.
+In this example, both outputs are available through a dropdown menu in the Langflow UI.
 
 Note: Since `group_outputs=False` is the default behavior, it does not need to be explicitly set in the component.
 
@@ -235,7 +235,7 @@ def some_method(self):
 
 By default, Langflow looks for custom components in the `langflow/components` directory.
 
-If you're creating custom components in a different location using the [LANGFLOW_COMPONENTS_PATH](/environment-variables#LANGFLOW_COMPONENTS_PATH) environment variable, components must be organized in a specific directory structure to be properly loaded and displayed in the UI:
+If you're creating custom components in a different location using the [`LANGFLOW_COMPONENTS_PATH`](/environment-variables#LANGFLOW_COMPONENTS_PATH) environment variable, components must be organized in a specific directory structure to be properly loaded and displayed in the UI:
 
 ```
 /your/custom/components/path/    # Base directory set by LANGFLOW_COMPONENTS_PATH
@@ -280,7 +280,7 @@ Inputs are defined in a class-level `inputs` list. When Langflow loads the compo
 
 An input is usually an instance of a class from `langflow.io` (such as `StrInput`, `DataInput`, or `MessageTextInput`). The most common constructor parameters are:
 
-* **`name`**: The internal variable name, accessed via `self.<name>`.
+* **`name`**: The internal variable name, accessed with `self.<name>`.
 * **`display_name`**: The label shown to users in the UI.
 * **`info`** *(optional)*: A tooltip or short description.
 * **`value`** *(optional)*: The default value.
@@ -489,8 +489,8 @@ When using typed annotations, consider the following best practices:
 In **Langflow**, dynamic fields allow inputs to change or appear based on user interactions. You can make an input dynamic by setting `dynamic=True`.
 Optionally, setting `real_time_refresh=True` triggers the `update_build_config` method to adjust the input's visibility or properties in real time, creating a contextual UI that only displays relevant fields based on the user's choices.
 
-In this example, the operator field triggers updates via `real_time_refresh=True`.
-The `regex_pattern` field is initially hidden and controlled via `dynamic=True`.
+In this example, the operator field triggers updates with `real_time_refresh=True`.
+The `regex_pattern` field is initially hidden and controlled with `dynamic=True`.
 
 ```python
 from langflow.io import DropdownInput, StrInput

diff --git a/docs/docs/Concepts/concepts-flows.mdx b/docs/docs/Concepts/concepts-flows.mdx
@@ -88,7 +88,7 @@ By default, flows and [flow logs](/logging) are stored on local disk at the foll
 - **OSS macOS/Windows/Linux/WSL (uv pip install)**: `<path_to_venv>/lib/python3.12/site-packages/langflow/cache`
 - **OSS macOS/Windows/Linux/WSL (git clone)**: `<path_to_clone>/src/backend/base/langflow/cache`
 
-The flow storage location can be customized with the [`LANGFLOW_CONFIG_DIR`](/environment-variables#LANGFLOW_CONFIG_DIR) environment variable, and the flow log storage location can be customized with the [`LANGFLOW_LOG_FILE`](/environment-variables#LANGFLOW_LOG_FILE) environment variable.
+The overall storage location can be customized with the `LANGFLOW_CONFIG_DIR` environment variable, and the flow log storage location can be customized separately with the `LANGFLOW_LOG_FILE` environment variable.
 
 ## See also
 

diff --git a/docs/docs/Concepts/concepts-overview.mdx b/docs/docs/Concepts/concepts-overview.mdx
@@ -74,4 +74,4 @@ The **Share** menu provides the following options for integrating your flow into
 
 * [Manage files in Langflow](/concepts-file-management)
 * [Global variables](/configuration-global-variables)
-* [Langflow API keys](configuration-api-keys)
+* [API keys and authentication](/api-keys-and-authentication)
diff --git a/docs/docs/Concepts/concepts-publish.mdx b/docs/docs/Concepts/concepts-publish.mdx
@@ -51,8 +51,7 @@ For more information and examples of other Langflow API endpoints, see [Get star
 
 ### Langflow API authentication
 
-In Langflow versions 1.5 and later, most API endpoints require authentication with a Langflow API key, even if `AUTO_LOGIN` is set to `True`.
-The only exceptions are the MCP endpoints `/v1/mcp`, `/v1/mcp-projects`, and `/v2/mcp`, which never require authentication.
+In Langflow versions 1.5 and later, most API endpoints require authentication with a Langflow API key.
 
 Code snippets generated in the **API access** pane include a script that checks for a `LANGFLOW_API_KEY` environment variable set in the local terminal session.
 This script doesn't check for Langflow API keys set anywhere besides the local terminal session.
@@ -61,7 +60,7 @@ For this script to work, you must set a `LANGFLOW_API_KEY` variable in the termi
 
 Alternatively, you can edit the code snippet to include an `x-api-key` header and ensure that the request can authenticate to the Langflow API.
 
-For more information, see [API keys](/configuration-api-keys) and [Get started with the Langflow API](/api-reference-api-examples)
+For more information, see [API keys and authentication](/api-keys-and-authentication) and [Get started with the Langflow API](/api-reference-api-examples).
 
 ### Input Schema (tweaks) {#input-schema}
 
@@ -357,7 +356,7 @@ To use the embedded chat widget in your HTML, the `langflow-chat` web component
 
 * `host_url`: Your Langflow server URL. Must be `HTTPS`. Don't include a trailing slash (`/`).
 * `flow_id`: The ID of the flow you want to embed.
-* `api_key`: A [Langflow API key](/configuration-api-keys).
+* `api_key`: A [Langflow API key](/api-keys-and-authentication).
 This prop is recommended to ensure the widget has permission to run the flow.
 
 The minimum inputs are automatically populated in the [**Embed into site** code snippet](#get-a-langflow-chat-snippet) that is generated by Langflow.

diff --git a/docs/docs/Concepts/mcp-server.mdx b/docs/docs/Concepts/mcp-server.mdx
@@ -143,10 +143,8 @@ For example:
 
     If you have [deployed a public Langflow server](/deployment-public-server), the address is automatically included.
 
-    :::important
-    If your Langflow server [requires authentication](/configuration-authentication) ([`LANGFLOW_AUTO_LOGIN=false`](/environment-variables#LANGFLOW_AUTO_LOGIN)), you must include your Langflow API key in the configuration.
+    If your Langflow server requires authentication, you must include your Langflow API key in the configuration.
     For more information, see [MCP server authentication and environment variables](#authentication).
-    :::
 
 5. Save and close the `mcp.json` file in Cursor.
 The newly added MCP server will appear in the **MCP Servers** section.
@@ -160,7 +158,8 @@ For more information, see the [Cursor's MCP documentation](https://docs.cursor.c
 
 ### MCP server authentication and environment variables {#authentication}
 
-If your Langflow server [requires authentication](/configuration-authentication) ([`LANGFLOW_AUTO_LOGIN`](/environment-variables#LANGFLOW_AUTO_LOGIN) is set to `false`), then you must supply a [Langflow API key](/configuration-api-keys) in your MCP client configuration.
+You must provide a Langflow API key in your MCP client configuration if your [Langflow server has authentication enabled](/api-keys-and-authentication#start-a-langflow-server-with-authentication-enabled).
+
 When this is the case, the code template in your project's **MCP Server** tab automatically includes the `--header` and `x-api-key` arguments:
 
 ```json
@@ -185,7 +184,7 @@ Alternatively, you can replace `YOUR_API_KEY` with an existing Langflow API key.
 
 ![MCP server tab showing Generate API key button](/img/mcp-server-api-key.png)
 
-To include environment variables with your MCP server command, include them like this:
+To include other environment variables with your MCP server command, use the `env` object with key-value pairs of environment variables:
 
 ```json
 {
@@ -204,8 +203,6 @@ To include environment variables with your MCP server command, include them like
 }
 ```
 
-Replace `KEY` and `VALUE` with the environment variable name and value you want to include.
-
 {/* The anchor on this section (deploy-your-server-externally) is currently a link target in the Langflow UI. Do not change. */}
 ### Deploy your MCP server externally {#deploy-your-server-externally}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -59,4 +59,4 @@ Setting `LANGFLOW_SKIP_AUTH_AUTO_LOGIN=true` and `LANGFLOW_AUTO_LOGIN=true` skip

		`LANGFLOW_SKIP_AUTH_AUTO_LOGIN=true` is the default behavior, so users do not need to change existing workflows in 1.5. To update your workflows to require authentication, set `LANGFLOW_SKIP_AUTH_AUTO_LOGIN=false`.

		For more information, see [Authentication](https://docs.langflow.org/configuration-authentication).
		For more information, see [API keys and authentication](https://docs.langflow.org/api-keys-and-authentication).