update docs.json

Author: guchenhe

docs.json

@@ -186,6 +186,7 @@
                                                     "en/guides/application-publishing/launch-your-webapp-quickly/conversation-application"
                                                 ]
                                             },
+                                            "en/guides/application-publishing/publish-mcp",
                                             "en/guides/application-publishing/embedding-in-websites",
                                             "en/guides/application-publishing/developing-with-apis",
                                             "en/guides/application-publishing/based-on-frontend-templates"
@@ -218,25 +219,10 @@
                                         ]
                                     },
                                     {
-                                        "group": "Extensions",
+                                        "group": "Tools",
                                         "pages": [
-                                            {
-                                                "group": "API-Based Extension",
-                                                "pages": [
-                                                    "en/guides/extension/api-based-extension/README",
-                                                    "en/guides/extension/api-based-extension/external-data-tool",
-                                                    "en/guides/extension/api-based-extension/cloudflare-workers",
-                                                    "en/guides/extension/api-based-extension/moderation"
-                                                ]
-                                            },
-                                            {
-                                                "group": "Code-Based Extension",
-                                                "pages": [
-                                                    "en/guides/extension/code-based-extension/README",
-                                                    "en/guides/extension/code-based-extension/external-data-tool",
-                                                    "en/guides/extension/code-based-extension/moderation"
-                                                ]
-                                            }
+                                            "en/guides/tools/types-of-tools",
+                                            "en/guides/tools/mcp"
                                         ]
                                     },
                                     {

en/guides/tools/readme.mdx en/guides/tools/types-of-tools.mdxen/guides/tools/readme.mdx renamed to en/guides/tools/types-of-tools.mdx

@@ -4,10 +4,10 @@ description: "Tools are defined services that can be used within workflows and b
 ---
 
 <CardGroup cols={2}>
-  <Card title="Tool Plugin" icon="puzzle-piece" iconType="regular" href="https://docs.dify.ai/en/plugins/quick-start/install-plugins" cta="Explore hundreds of third-party tools native to Dify on [Dify Marketplace](https://marketplace.dify.ai/?category=tool_">
+  <Card title="Tool Plugin" icon="puzzle-piece" iconType="regular" href="https://docs.dify.ai/en/plugins/quick-start/install-plugins">
     Explore hundreds of third-party tools native to Dify on Dify's [Marketplace](https://marketplace.dify.ai/?category=tool_)
   </Card>
-  <Card title="MCP" icon="sparkles" href="en/guides/tools/mcp.mdx">
+  <Card title="MCP" icon="sparkles" href="en/guides/tools/mcp">
     Connect with an evergrowing ecosystem of tools based on the [Model Context Protocol](https://modelcontextprotocol.io/introduction).
   </Card>
 </CardGroup>