fix: folder search parameter

README.md

@@ -70,6 +70,19 @@ npm run lint
 npm run build
 ```
 
+### Local Configuration
+
+```json
+{
+  "mcpServers": {
+    "context7": {
+      "command": "node",
+      "args": ["/ABSOLUTE/PATH/TO/PARENT/FOLDER/context7-mcp/build/index.js"]
+    }
+  }
+}
+```
+
 ### Testing with MCP Inspector
 
 You can also use the MCP Inspector to test the tools by following the MCP documentation for setting up the inspector.

src/index.ts

@@ -80,7 +80,7 @@ server.tool(
     libraryName: z
       .string()
       .describe(
-        "Name of the library to retrieve documentation for (e.g., 'upstash-redis', 'nextjs'). Must match exactly a library name from 'list-available-docs'."
+        "Name of the library to retrieve documentation for (e.g., 'mongodb/docs', 'vercel/nextjs'). Must match exactly a library name from 'list-available-docs'."
       ),
     topic: z
       .string()
@@ -93,7 +93,7 @@ server.tool(
       .min(5000)
       .optional()
       .describe(
-        "Maximum number of tokens of documentation to retrieve (default: 5000).Higher values provide more comprehensive documentation but use more context window."
+        "Maximum number of tokens of documentation to retrieve (default: 5000). Higher values provide more comprehensive documentation but use more context window."
       ),
   },
   async ({ libraryName, tokens = 5000, topic = "" }) => {

src/lib/api.ts

@@ -33,33 +33,43 @@ export async function fetchLibraryDocumentation(
   topic: string = ""
 ): Promise<string | null> {
   try {
-    let contextURL = `${CONTEXT7_BASE_URL}/${libraryName}/llms.txt`;
+    // if libraryName has a "/" as the first character, remove it
-    const params = [];
+    if (libraryName.startsWith("/")) {
+      libraryName = libraryName.slice(1);
+    }
 
+    // Handle folders parameter
+    let basePath = libraryName;
+    let folders = "";
+    if (libraryName.includes("?folders=")) {
+      const [path, foldersParam] = libraryName.split("?folders=");
+      basePath = path;
+      folders = foldersParam;
+    }
+    let contextURL = `${CONTEXT7_BASE_URL}/${basePath}/llms.txt`;
+    const params = [];
+    if (folders) {
+      params.push(`folders=${encodeURIComponent(folders)}`);
+    }
     if (tokens) {
       params.push(`tokens=${tokens}`);
     }
     if (topic) {
       params.push(`topic=${encodeURIComponent(topic)}`);
     }
-
     if (params.length > 0) {
       contextURL += `?${params.join("&")}`;
     }
 
     const response = await fetch(contextURL);
-
     if (!response.ok) {
       console.error(`Failed to fetch documentation: ${response.status}`);
       return null;
     }
-
     const text = await response.text();
-
     if (!text || text === "No content available" || text === "No context data available") {
       return null;
     }
-
     return text;
   } catch (error) {
     console.error("Error fetching library documentation:", error);