docs: add Le Chat (Mistral) setup guide

- Add mistral_web.md guide with 5 steps and screenshots
- Add images (mistral_web_01..05.png)
- Add Le Chat section in README with nav link

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: aborruso

README.md

@@ -37,7 +37,7 @@ Hosted endpoint: `https://ckan-mcp-server.andy-pr.workers.dev/mcp`
 
 ## 🔌 Use it in your favorite tool
 
-[ChatGPT](#chatgpt) | [Claude Desktop](#claude-desktop) | [Claude Code](#claude-code) | [Gemini CLI](#gemini-cli) | [VS Code](#vs-code) | [Codex CLI](#codex-cli)
+[ChatGPT](#chatgpt) | [Claude Desktop](#claude-desktop) | [Claude Code](#claude-code) | [Le Chat (Mistral)](#le-chat-mistral) | [Gemini CLI](#gemini-cli) | [VS Code](#vs-code) | [Codex CLI](#codex-cli)
 
 This server works with any MCP-compatible client. The sections below cover some of the most popular ones — if your tool isn't listed, check its documentation for MCP configuration and use the same endpoint URL or command.
 
@@ -130,6 +130,18 @@ To add it only for a specific project, run from the project folder without the `
 claude mcp add --transport http ckan https://ckan-mcp-server.andy-pr.workers.dev/mcp
 ```
 
+### Le Chat (Mistral)
+
+1. In the left sidebar, click **Intelligence**, then select **Connectors**
+2. Click **+ Add Connector**
+3. Select the **Custom MCP Connector** tab and fill in the details:
+   - **Name:** CKAN
+   - **Connector Server:** `https://ckan-mcp-server.andy-pr.workers.dev/mcp`
+4. Click **Connect** to save
+5. Open a new chat, click **+**, then **Connectors**, and enable **CKAN**
+
+> For a step-by-step walkthrough with screenshots, see the [full Le Chat guide](https://github.com/ondata/ckan-mcp-server/blob/main/docs/guide/mistral/mistral_web.md).
+
 ### Gemini CLI
 
 ```bash

docs/guide/mistral/images/mistral_web_01.png

@@ -0,0 +1,38 @@
+# Set up the CKAN MCP Server in Le Chat (Mistral)
+
+This guide uses the public demo server, which has a limit of 100,000 calls per day shared quota across all users of this endpoint. For reliable usage, it is recommended to install the CKAN MCP Server on your own machine.
+
+This guide shows how to add the CKAN MCP Server as a custom connector in Le Chat and use it in a chat.
+
+## 1) Go to Connectors
+
+In the left sidebar, click **Intelligence**, then select **Connectors**.
+
+![Go to Connectors](images/mistral_web_01.png)
+
+## 2) Add a new connector
+
+On the **My Connectors** page, click **+ Add Connector**.
+
+![Add Connector](images/mistral_web_02.png)
+
+## 3) Fill in the connector details
+
+Select the **Custom MCP Connector** tab, then fill in the fields and click **Connect**.
+
+- **Name:** CKAN
+- **Connector Server:** `https://ckan-mcp-server.andy-pr.workers.dev/mcp`
+
+![Connector details](images/mistral_web_03.png)
+
+## 4) Enable the connector in chat
+
+Open a new chat, click **+**, then **Connectors**, and enable **CKAN**.
+
+![Enable connector](images/mistral_web_04.png)
+
+## 5) Ask a CKAN question
+
+Type your question and send it.
+
+![Ask a question](images/mistral_web_05.png)