add lint and prettier

.prettierignore

@@ -0,0 +1,6 @@
+node_modules/
+build/
+lib/
+dist/
+pnpm-lock.yaml
+package-lock.json

README.md

@@ -9,6 +9,7 @@ This is a TypeScript-based MCP server that creates multiple tools, each connecte
 ## Features
 
 ### Tools
+
 - Creates a separate tool for each index you define
 - Each tool provides a `query` parameter to search its specific index
 - Auto-generates tool names like `get_information_index_name` based on index names
@@ -16,16 +17,19 @@ This is a TypeScript-based MCP server that creates multiple tools, each connecte
 ## Development
 
 Install dependencies:
+
 ```bash
 npm install
 ```
 
 Build the server:
+
 ```bash
 npm run build
 ```
 
 For development with auto-rebuild:
+
 ```bash
 npm run watch
 ```
@@ -44,8 +48,14 @@ On Windows: `%APPDATA%/Claude/claude_desktop_config.json`
       "command": "node",
       "args": [
         "/path/to/llamacloud/build/index.js",
-        "--index", "10k-SEC-Tesla", "--description", "10k SEC documents from 2023 for Tesla",
-        "--index", "10k-SEC-Apple", "--description", "10k SEC documents from 2023 for Apple"
+        "--index",
+        "10k-SEC-Tesla",
+        "--description",
+        "10k SEC documents from 2023 for Tesla",
+        "--index",
+        "10k-SEC-Apple",
+        "--description",
+        "10k SEC documents from 2023 for Apple"
       ],
       "env": {
         "LLAMA_CLOUD_PROJECT_NAME": "<YOUR_PROJECT_NAME>",
@@ -71,6 +81,7 @@ node build/index.js --index "10k-SEC-Tesla" --description "10k SEC documents fro
 ```
 
 This will create two tools:
+
 1. `get_information_10k_sec_tesla` - For querying the 10k-SEC-Tesla index
 2. `get_information_10k_sec_apple` - For querying the 10k-SEC-Apple index
 

eslint.config.mjs

@@ -0,0 +1,26 @@
+// @ts-check
+
+import eslint from "@eslint/js";
+import eslintConfigPrettier from "eslint-config-prettier";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  eslintConfigPrettier,
+  {
+    // Node.js specific language options
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: "module",
+      globals: {
+        ...globals.node,
+      },
+    },
+  },
+  {
+    // Files to ignore
+    ignores: ["**/build/**", "**/node_modules/**"],
+  },
+);

package.json

@@ -16,14 +16,24 @@
     "build": "tsc && node -e \"require('fs').chmodSync('build/index.js', '755')\"",
     "prepare": "npm run build",
     "watch": "tsc --watch",
-    "inspector": "npx @modelcontextprotocol/inspector build/index.js"
+    "inspector": "npx @modelcontextprotocol/inspector build/index.js",
+    "format": "prettier --ignore-unknown --cache --check .",
+    "format:write": "prettier --ignore-unknown --write .",
+    "lint": "eslint . --ext .ts,.js,.mjs --fix"
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.7.0",
     "llamaindex": "^0.9.11"
   },
   "devDependencies": {
+    "@eslint/js": "^9.22.0",
     "@types/node": "^22.9.3",
-    "typescript": "^5.6.2"
+    "eslint": "^9.22.0",
+    "eslint-config-prettier": "^9.1.0",
+    "globals": "^15.12.0",
+    "prettier": "^3.4.2",
+    "prettier-plugin-organize-imports": "^4.1.0",
+    "typescript": "^5.6.2",
+    "typescript-eslint": "^8.18.0"
   }
 }

prettier.config.mjs

@@ -0,0 +1,3 @@
+export default {
+  plugins: ["prettier-plugin-organize-imports"],
+};

src/index.ts

@@ -7,11 +7,11 @@
 
 import { Server } from "@modelcontextprotocol/sdk/server/index.js";
 import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
-import { LlamaCloudIndex, MetadataMode } from 'llamaindex';
 import {
   CallToolRequestSchema,
   ListToolsRequestSchema,
 } from "@modelcontextprotocol/sdk/types.js";
+import { LlamaCloudIndex, MetadataMode } from "llamaindex";
 
 // Define the tool definition interface
 interface ToolDefinition {
@@ -24,7 +24,9 @@ interface ToolDefinition {
 function parseToolDefinitions(): ToolDefinition[] {
   const args = process.argv.slice(2);
   if (args.length === 0) {
-    console.error('No tool definitions provided. Use format: --index "IndexName" --description "Description"');
+    console.error(
+      'No tool definitions provided. Use format: --index "IndexName" --description "Description"',
+    );
     process.exit(1);
   }
 
@@ -32,19 +34,23 @@ function parseToolDefinitions(): ToolDefinition[] {
   let currentIndexName: string | null = null;
 
   for (let i = 0; i < args.length; i++) {
-    if (args[i] === '--index' && i + 1 < args.length) {
+    if (args[i] === "--index" && i + 1 < args.length) {
       // Save the current index name. We'll wait for the description to complete the definition
       currentIndexName = args[i + 1].trim();
       i++; // Skip the next argument since we consumed it
-    } else if (args[i] === '--description' && i + 1 < args.length && currentIndexName) {
+    } else if (
+      args[i] === "--description" &&
+      i + 1 < args.length &&
+      currentIndexName
+    ) {
       // We have both an index name and a description, so we can create a tool definition
       const description = args[i + 1].trim();
-      const toolName = `get_information_${currentIndexName.toLowerCase().replace(/[^a-z0-9]/g, '_')}`;
+      const toolName = `get_information_${currentIndexName.toLowerCase().replace(/[^a-z0-9]/g, "_")}`;
 
       toolDefinitions.push({
         indexName: currentIndexName,
         description,
-        toolName
+        toolName,
       });
 
       // Reset for the next pair
@@ -55,11 +61,15 @@ function parseToolDefinitions(): ToolDefinition[] {
 
   // Check if we have an index without a description at the end
   if (currentIndexName) {
-    console.warn(`Warning: Index '${currentIndexName}' was specified without a description.`);
+    console.warn(
+      `Warning: Index '${currentIndexName}' was specified without a description.`,
+    );
   }
 
   if (toolDefinitions.length === 0) {
-    console.error('No valid tool definitions found. Use format: --index "IndexName" --description "Description"');
+    console.error(
+      'No valid tool definitions found. Use format: --index "IndexName" --description "Description"',
+    );
     process.exit(1);
   }
 
@@ -78,12 +88,20 @@ const server = new Server(
     capabilities: {
       tools: {},
     },
-  }
+  },
 );
 
 // Get the project name and API key from environment variables
-const projectName = process.env.LLAMA_CLOUD_PROJECT_NAME || (() => { throw new Error('LLAMA_CLOUD_PROJECT_NAME is not set') })();
-const apiKey = process.env.LLAMA_CLOUD_API_KEY || (() => { throw new Error('LLAMA_CLOUD_API_KEY is not set') })();
+const projectName =
+  process.env.LLAMA_CLOUD_PROJECT_NAME ||
+  (() => {
+    throw new Error("LLAMA_CLOUD_PROJECT_NAME is not set");
+  })();
+const apiKey =
+  process.env.LLAMA_CLOUD_API_KEY ||
+  (() => {
+    throw new Error("LLAMA_CLOUD_API_KEY is not set");
+  })();
 
 // Parse tool definitions from command line arguments
 const toolDefinitions = parseToolDefinitions();
@@ -99,7 +117,9 @@ for (const definition of toolDefinitions) {
   });
 
   indexes.set(definition.toolName!, index);
-  console.log(`Created index for tool ${definition.toolName}: ${definition.indexName} - ${definition.description}`);
+  console.log(
+    `Created index for tool ${definition.toolName}: ${definition.indexName} - ${definition.description}`,
+  );
 }
 
 /**
@@ -108,7 +128,7 @@ for (const definition of toolDefinitions) {
  */
 server.setRequestHandler(ListToolsRequestSchema, async () => {
   return {
-    tools: toolDefinitions.map(definition => ({
+    tools: toolDefinitions.map((definition) => ({
       name: definition.toolName!,
       description: `Get information from the ${definition.indexName} index. The index contains ${definition.description}`,
       inputSchema: {
@@ -116,12 +136,12 @@ server.setRequestHandler(ListToolsRequestSchema, async () => {
         properties: {
           query: {
             type: "string",
-            description: `The query used to get information from the ${definition.indexName} index.`
+            description: `The query used to get information from the ${definition.indexName} index.`,
           },
         },
-        required: ["query"]
-      }
-    }))
+        required: ["query"],
+      },
+    })),
   };
 });
 
@@ -146,25 +166,27 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
   const nodesWithScore = await retriever.retrieve({ query });
 
   const nodes = nodesWithScore.map((node) => node.node);
-  const context = nodes.map((r) => r.getContent(MetadataMode.NONE)).join("\n\n");
+  const context = nodes
+    .map((r) => r.getContent(MetadataMode.NONE))
+    .join("\n\n");
 
   return {
-    content: [{
+    content: [
+      {
         type: "text",
         text: context,
-    }]
+      },
+    ],
   };
 });
 
-
-
 /**
  * Start the server using stdio transport.
  * This allows the server to communicate via standard input/output streams.
  */
 async function main() {
   console.log(`Starting MCP server with ${toolDefinitions.length} tools:`);
-  toolDefinitions.forEach(def => {
+  toolDefinitions.forEach((def) => {
     console.log(`- ${def.toolName}: ${def.indexName} - ${def.description}`);
   });