feat：fixed charts schema description (#70)

* feat: fix chart schema des

* feat: version update

Author: XinyueDu

README.md

@@ -6,7 +6,7 @@ A Model Context Protocol server for generating charts using [AntV](https://githu
   <img width="380" src="https://glama.ai/mcp/servers/@antvis/mcp-server-chart/badge" />
 </a>
 
-This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools. You can also it use in [Dify](https://marketplace.dify.ai/plugins/antv/visualization).
+This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools. You can also use it in [Dify](https://marketplace.dify.ai/plugins/antv/visualization).
 
 
 ## ✨ Features

__tests__/charts/column.json

@@ -17,7 +17,7 @@
           },
           "required": ["category", "value"]
         },
-        "description": "Data for column chart, such as, [{ category: '北京' value: 825; group: '油车' }]."
+        "description": "Data for column chart, such as, [{ category: '北京', value: 825, group: '油车' }]."
       },
       "group": {
         "type": "boolean",

__tests__/charts/dual-axes.json

@@ -60,11 +60,12 @@
             "axisYTitle": {
               "type": "string",
               "default": "",
-              "description": "Set the y-axis title of the chart series."
+              "description": "Set the y-axis title of the chart series, such as, axisYTitle: '销售额'."
             }
           },
           "required": ["type", "data"]
-        }
+        },
+        "description": "Series for dual axes chart, such as, [{ type: 'column', data: [91.9, 99.1, 101.6, 114.4, 121],axisYTitle: '销售额' }, { type: 'line', data: [0.055, 0.06, 0.062, 0.07, 0.075], 'axisYTitle': '利润率' }]."
       }
     },
     "required": ["categories", "series"]

__tests__/charts/word-cloud.json

@@ -16,7 +16,7 @@
           },
           "required": ["text", "value"]
         },
-        "description": "Data for word cloud chart, such as, [{ value: '4.272', text: '形成' }]."
+        "description": "Data for word cloud chart, such as, [{ value: 4.272, text: '形成' }]."
       },
       "theme": {
         "default": "default",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@antv/mcp-server-chart",
   "description": "A Model Context Protocol server for generating charts using AntV, This is a TypeScript-based MCP server that provides chart generation capabilities. It allows you to create various types of charts through MCP tools.",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "main": "build/index.js",
   "type": "module",
   "scripts": {

src/charts/column.ts

@@ -21,7 +21,7 @@ const schema = z.object({
   data: z
     .array(data)
     .describe(
-      "Data for column chart, such as, [{ category: '北京' value: 825; group: '油车' }].",
+      "Data for column chart, such as, [{ category: '北京', value: 825, group: '油车' }].",
     )
     .nonempty({ message: "Column chart data cannot be empty." }),
   group: z

src/charts/dual-axes.ts

@@ -21,7 +21,9 @@ const DualAxesSeriesSchema = z.object({
   axisYTitle: z
     .string()
     .default("")
-    .describe("Set the y-axis title of the chart series.")
+    .describe(
+      "Set the y-axis title of the chart series, such as, axisYTitle: '销售额'.",
+    )
     .optional(),
 });
 
@@ -35,6 +37,9 @@ const schema = z.object({
     .nonempty({ message: "Dual axes chart categories cannot be empty." }),
   series: z
     .array(DualAxesSeriesSchema)
+    .describe(
+      "Series for dual axes chart, such as, [{ type: 'column', data: [91.9, 99.1, 101.6, 114.4, 121],axisYTitle: '销售额' }, { type: 'line', data: [0.055, 0.06, 0.062, 0.07, 0.075], 'axisYTitle': '利润率' }].",
+    )
     .nonempty({ message: "Dual axes chart series cannot be empty." }),
   theme: ThemeSchema,
   width: WidthSchema,

src/charts/word-cloud.ts

@@ -13,7 +13,7 @@ const schema = z.object({
   data: z
     .array(data)
     .describe(
-      "Data for word cloud chart, such as, [{ value: '4.272', text: '形成' }].",
+      "Data for word cloud chart, such as, [{ value: 4.272, text: '形成' }].",
     )
     .nonempty({ message: "Word cloud chart data cannot be empty." }),
   theme: ThemeSchema,