MCP Utility Tools

Instructions

Implementation Reference

• src/index-v2.ts:463-480 (handler)

  Handler implementation for the cache_delete tool. Extracts key and optional namespace from arguments, constructs the full cache key using getCacheKey helper, deletes the entry from the cache Map if it exists, and returns a JSON response indicating success and whether the key existed.

  case "cache_delete": {
    const { key, namespace = "default" } = args as any;
    const cacheKey = getCacheKey(key, namespace);
    
    const existed = cache.delete(cacheKey);
    
    return {
      content: [{
        type: "text",
        text: JSON.stringify({
          success: true,
          key,
          namespace,
          existed
        })
      }]
    };
  }

• src/index-v2.ts:144-162 (schema)

  Input schema definition for the cache_delete tool, specifying the required 'key' parameter and optional 'namespace'.

  {
    name: "cache_delete",
    description: "Delete a key from the cache",
    inputSchema: {
      type: "object",
      properties: {
        key: {
          type: "string",
          description: "Cache key to delete"
        },
        namespace: {
          type: "string",
          description: "Optional namespace",
          default: "default"
        }
      },
      required: ["key"]
    }
  },

• src/index.ts:324-339 (handler)

  Handler implementation for the cache_delete tool in the v1 index. Deletes the specified key from the cache and returns success status with existence info. No namespace support.

  case "cache_delete": {
    const { key } = args as { key: string };
    
    const existed = cache.delete(key);
    
    return {
      content: [{
        type: "text",
        text: JSON.stringify({
          success: true,
          key,
          existed
        })
      }]
    };
  }

• src/index.ts:122-134 (schema)

  Input schema for cache_delete in v1, requiring only the 'key' parameter (no namespace).

  {
    name: "cache_delete",
    description: "Delete a key from the cache",
    inputSchema: {
      type: "object",
      properties: {
        key: {
          type: "string",
          description: "Cache key to delete"
        }
      },
      required: ["key"]
    }

• src/index-v2.ts:274-276 (helper)

  Helper function used by cache tools (including cache_delete) to generate namespaced cache keys.

  function getCacheKey(key: string, namespace: string = "default"): string {
    return `${namespace}:${key}`;
  }