Enterprise Code Search MCP Server

Instructions

Implementation Reference

• src/shared/CodeSearchEngine.ts:178-259 (handler)

  Core handler function for the 'index_local_project' tool. Validates input, traverses directory, processes files into chunks, generates embeddings, and stores them in ChromaDB.

  async indexLocalProject(args: {
    project_path: string;
    project_name: string;
    include_patterns?: string[];
    exclude_patterns?: string[];
  }) {
    const { 
      project_path, 
      project_name, 
      include_patterns = this.getDefaultIncludePatterns(),
      exclude_patterns = this.getDefaultExcludePatterns()
    } = args;
    
    try {
      const stats = await fs.stat(project_path);
      if (!stats.isDirectory()) {
        throw new Error(`Path is not a directory: ${project_path}`);
      }
    } catch (error) {
      throw new Error(`Cannot access project path: ${project_path}`);
    }
  
    const projectId = this.sanitizeProjectId(project_name);
    
    try {
      const collection = await this.getOrCreateCollection();
      const files = await this.getFilesToIndex(project_path, include_patterns, exclude_patterns);
      const chunks = [];
      
      let processedFiles = 0;
      
      for (const filePath of files) {
        try {
          const relativePath = path.relative(project_path, filePath);
          const fileExtension = path.extname(filePath).slice(1) || 'txt';
          
          const fileStats = await fs.stat(filePath);
          const fileSizeMB = fileStats.size / (1024 * 1024);
          
          console.error(`Processing file: ${relativePath} (${fileSizeMB.toFixed(2)} MB)`);
          
          const fileChunks = await this.processFileWithStreaming(filePath, relativePath, fileExtension);
          
          if (fileChunks.length > 0) {
            chunks.push(...fileChunks.map(chunk => ({
              ...chunk,
              project_id: projectId,
              project_name,
              project_path,
              source_type: 'local',
              indexed_at: new Date().toISOString()
            })));
          }
          
          processedFiles++;
        } catch (error) {
          console.error(`Error processing file ${filePath}:`, error);
        }
      }
      
      if (chunks.length > 0) {
        await this.storeChunksInBatches(collection, chunks, projectId);
      }
      
      return {
        content: [
          {
            type: "text",
            text: `Successfully indexed local project: ${project_name}\n` +
                  `Project ID: ${projectId}\n` +
                  `Project Path: ${project_path}\n` +
                  `Files processed: ${processedFiles}\n` +
                  `Chunks created: ${chunks.length}\n` +
                  `Embedding provider: ${this.config.embedding_provider}`
          }
        ]
      };
      
    } catch (error) {
      throw error;
    }
  }

• src/http-server.ts:207-232 (schema)

  Input schema definition for the index_local_project tool, used in tool listing for HTTP server.

  name: "index_local_project",
  description: "Index a local project directory into the vector database",
  inputSchema: {
    type: "object",
    properties: {
      project_path: {
        type: "string",
        description: "Absolute path to the local project directory"
      },
      project_name: {
        type: "string",
        description: "Name for the project (used as identifier)"
      },
      include_patterns: {
        type: "array",
        items: { type: "string" },
        description: "File patterns to include (optional)"
      },
      exclude_patterns: {
        type: "array",
        items: { type: "string" },
        description: "File patterns to exclude (optional)"
      }
    },
    required: ["project_path", "project_name"]
  }

• src/http-server.ts:256-257 (registration)

  Tool registration/dispatch in HTTP server's callTool switch statement.

  case "index_local_project":
    return await this.indexLocalProject(args);

• src/index.ts:112-113 (registration)

  Tool registration/dispatch in stdio server's CallToolRequestSchema handler.

  case "index_local_project":
    return await this.indexLocalProject(args as any);

• src/index.ts:37-62 (schema)

  Input schema definition for the index_local_project tool, used in tool listing for stdio server.

  name: "index_local_project",
  description: "Index a local project directory into the vector database",
  inputSchema: {
    type: "object",
    properties: {
      project_path: {
        type: "string",
        description: "Absolute path to the local project directory"
      },
      project_name: {
        type: "string",
        description: "Name for the project (used as identifier)"
      },
      include_patterns: {
        type: "array",
        items: { type: "string" },
        description: "File patterns to include (optional)"
      },
      exclude_patterns: {
        type: "array", 
        items: { type: "string" },
        description: "File patterns to exclude (optional)"
      }
    },
    required: ["project_path", "project_name"]
  }