diff --git a/package.json b/package.json
index ea00746..6ea9c3f 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,10 @@
       "require": "./dist/cli.js"
     },
     "./mcpb-manifest.schema.json": "./dist/mcpb-manifest.schema.json",
+    "./mcpb-manifest-v0.1.schema.json": "./dist/mcpb-manifest-v0.1.schema.json",
+    "./mcpb-manifest-v0.2.schema.json": "./dist/mcpb-manifest-v0.2.schema.json",
+    "./mcpb-manifest-v0.3.schema.json": "./dist/mcpb-manifest-v0.3.schema.json",
+    "./mcpb-manifest-latest.schema.json": "./dist/mcpb-manifest-latest.schema.json",
     "./schemas": {
       "types": "./dist/schemas/index.d.ts",
       "import": "./dist/schemas/index.js",
diff --git a/schemas/mcpb-manifest-latest.schema.json b/schemas/mcpb-manifest-latest.schema.json
new file mode 100644
index 0000000..a2dc082
--- /dev/null
+++ b/schemas/mcpb-manifest-latest.schema.json
@@ -0,0 +1,376 @@
+{
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    },
+    "dxt_version": {
+      "type": "string",
+      "const": "0.3",
+      "description": "@deprecated Use manifest_version instead"
+    },
+    "manifest_version": {
+      "type": "string",
+      "const": "0.3"
+    },
+    "name": {
+      "type": "string"
+    },
+    "display_name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "long_description": {
+      "type": "string"
+    },
+    "author": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "email": {
+          "type": "string",
+          "format": "email"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "additionalProperties": false
+    },
+    "repository": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "type",
+        "url"
+      ],
+      "additionalProperties": false
+    },
+    "homepage": {
+      "type": "string",
+      "format": "uri"
+    },
+    "documentation": {
+      "type": "string",
+      "format": "uri"
+    },
+    "support": {
+      "type": "string",
+      "format": "uri"
+    },
+    "icon": {
+      "type": "string"
+    },
+    "icons": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "src": {
+            "type": "string"
+          },
+          "sizes": {
+            "type": "string",
+            "pattern": "^\\d+x\\d+$"
+          },
+          "theme": {
+            "type": "string",
+            "minLength": 1
+          }
+        },
+        "required": [
+          "src",
+          "sizes"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "screenshots": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "localization": {
+      "type": "object",
+      "properties": {
+        "resources": {
+          "type": "string",
+          "pattern": "\\$\\{locale\\}"
+        },
+        "default_locale": {
+          "type": "string",
+          "pattern": "^[A-Za-z0-9]{2,8}(?:-[A-Za-z0-9]{1,8})*$"
+        }
+      },
+      "required": [
+        "resources",
+        "default_locale"
+      ],
+      "additionalProperties": false
+    },
+    "server": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "python",
+            "node",
+            "binary"
+          ]
+        },
+        "entry_point": {
+          "type": "string"
+        },
+        "mcp_config": {
+          "type": "object",
+          "properties": {
+            "command": {
+              "type": "string"
+            },
+            "args": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            "env": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              }
+            },
+            "platform_overrides": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {
+                  "command": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/command"
+                  },
+                  "args": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/args"
+                  },
+                  "env": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/env"
+                  }
+                },
+                "additionalProperties": false
+              }
+            }
+          },
+          "required": [
+            "command"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "type",
+        "entry_point",
+        "mcp_config"
+      ],
+      "additionalProperties": false
+    },
+    "tools": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "tools_generated": {
+      "type": "boolean"
+    },
+    "prompts": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "arguments": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "text": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "text"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "prompts_generated": {
+      "type": "boolean"
+    },
+    "keywords": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "license": {
+      "type": "string"
+    },
+    "privacy_policies": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "format": "uri"
+      }
+    },
+    "compatibility": {
+      "type": "object",
+      "properties": {
+        "claude_desktop": {
+          "type": "string"
+        },
+        "platforms": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": [
+              "darwin",
+              "win32",
+              "linux"
+            ]
+          }
+        },
+        "runtimes": {
+          "type": "object",
+          "properties": {
+            "python": {
+              "type": "string"
+            },
+            "node": {
+              "type": "string"
+            }
+          },
+          "additionalProperties": false
+        }
+      },
+      "additionalProperties": false
+    },
+    "user_config": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "string",
+              "number",
+              "boolean",
+              "directory",
+              "file"
+            ]
+          },
+          "title": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "required": {
+            "type": "boolean"
+          },
+          "default": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "boolean"
+              },
+              {
+                "type": "array",
+                "items": {
+                  "type": "string"
+                }
+              }
+            ]
+          },
+          "multiple": {
+            "type": "boolean"
+          },
+          "sensitive": {
+            "type": "boolean"
+          },
+          "min": {
+            "type": "number"
+          },
+          "max": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "type",
+          "title",
+          "description"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "_meta": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": {}
+      }
+    }
+  },
+  "required": [
+    "name",
+    "version",
+    "description",
+    "author",
+    "server"
+  ],
+  "additionalProperties": false,
+  "$schema": "http://json-schema.org/draft-07/schema#"
+}
\ No newline at end of file
diff --git a/schemas/mcpb-manifest-v0.1.schema.json b/schemas/mcpb-manifest-v0.1.schema.json
new file mode 100644
index 0000000..17e6fd8
--- /dev/null
+++ b/schemas/mcpb-manifest-v0.1.schema.json
@@ -0,0 +1,327 @@
+{
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    },
+    "dxt_version": {
+      "type": "string",
+      "const": "0.1",
+      "description": "@deprecated Use manifest_version instead"
+    },
+    "manifest_version": {
+      "type": "string",
+      "const": "0.1"
+    },
+    "name": {
+      "type": "string"
+    },
+    "display_name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "long_description": {
+      "type": "string"
+    },
+    "author": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "email": {
+          "type": "string",
+          "format": "email"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "additionalProperties": false
+    },
+    "repository": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "type",
+        "url"
+      ],
+      "additionalProperties": false
+    },
+    "homepage": {
+      "type": "string",
+      "format": "uri"
+    },
+    "documentation": {
+      "type": "string",
+      "format": "uri"
+    },
+    "support": {
+      "type": "string",
+      "format": "uri"
+    },
+    "icon": {
+      "type": "string"
+    },
+    "screenshots": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "server": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "python",
+            "node",
+            "binary"
+          ]
+        },
+        "entry_point": {
+          "type": "string"
+        },
+        "mcp_config": {
+          "type": "object",
+          "properties": {
+            "command": {
+              "type": "string"
+            },
+            "args": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            "env": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              }
+            },
+            "platform_overrides": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {
+                  "command": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/command"
+                  },
+                  "args": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/args"
+                  },
+                  "env": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/env"
+                  }
+                },
+                "additionalProperties": false
+              }
+            }
+          },
+          "required": [
+            "command"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "type",
+        "entry_point",
+        "mcp_config"
+      ],
+      "additionalProperties": false
+    },
+    "tools": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "tools_generated": {
+      "type": "boolean"
+    },
+    "prompts": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "arguments": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "text": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "text"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "prompts_generated": {
+      "type": "boolean"
+    },
+    "keywords": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "license": {
+      "type": "string"
+    },
+    "compatibility": {
+      "type": "object",
+      "properties": {
+        "claude_desktop": {
+          "type": "string"
+        },
+        "platforms": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": [
+              "darwin",
+              "win32",
+              "linux"
+            ]
+          }
+        },
+        "runtimes": {
+          "type": "object",
+          "properties": {
+            "python": {
+              "type": "string"
+            },
+            "node": {
+              "type": "string"
+            }
+          },
+          "additionalProperties": false
+        }
+      },
+      "additionalProperties": false
+    },
+    "user_config": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "string",
+              "number",
+              "boolean",
+              "directory",
+              "file"
+            ]
+          },
+          "title": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "required": {
+            "type": "boolean"
+          },
+          "default": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "boolean"
+              },
+              {
+                "type": "array",
+                "items": {
+                  "type": "string"
+                }
+              }
+            ]
+          },
+          "multiple": {
+            "type": "boolean"
+          },
+          "sensitive": {
+            "type": "boolean"
+          },
+          "min": {
+            "type": "number"
+          },
+          "max": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "type",
+          "title",
+          "description"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "_meta": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": {}
+      }
+    }
+  },
+  "required": [
+    "name",
+    "version",
+    "description",
+    "author",
+    "server"
+  ],
+  "additionalProperties": false,
+  "$schema": "http://json-schema.org/draft-07/schema#"
+}
\ No newline at end of file
diff --git a/schemas/mcpb-manifest-v0.2.schema.json b/schemas/mcpb-manifest-v0.2.schema.json
new file mode 100644
index 0000000..fc522b9
--- /dev/null
+++ b/schemas/mcpb-manifest-v0.2.schema.json
@@ -0,0 +1,327 @@
+{
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    },
+    "dxt_version": {
+      "type": "string",
+      "const": "0.2",
+      "description": "@deprecated Use manifest_version instead"
+    },
+    "manifest_version": {
+      "type": "string",
+      "const": "0.2"
+    },
+    "name": {
+      "type": "string"
+    },
+    "display_name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "long_description": {
+      "type": "string"
+    },
+    "author": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "email": {
+          "type": "string",
+          "format": "email"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "additionalProperties": false
+    },
+    "repository": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "type",
+        "url"
+      ],
+      "additionalProperties": false
+    },
+    "homepage": {
+      "type": "string",
+      "format": "uri"
+    },
+    "documentation": {
+      "type": "string",
+      "format": "uri"
+    },
+    "support": {
+      "type": "string",
+      "format": "uri"
+    },
+    "icon": {
+      "type": "string"
+    },
+    "screenshots": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "server": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "python",
+            "node",
+            "binary"
+          ]
+        },
+        "entry_point": {
+          "type": "string"
+        },
+        "mcp_config": {
+          "type": "object",
+          "properties": {
+            "command": {
+              "type": "string"
+            },
+            "args": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            "env": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              }
+            },
+            "platform_overrides": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {
+                  "command": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/command"
+                  },
+                  "args": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/args"
+                  },
+                  "env": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/env"
+                  }
+                },
+                "additionalProperties": false
+              }
+            }
+          },
+          "required": [
+            "command"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "type",
+        "entry_point",
+        "mcp_config"
+      ],
+      "additionalProperties": false
+    },
+    "tools": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "tools_generated": {
+      "type": "boolean"
+    },
+    "prompts": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "arguments": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "text": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "text"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "prompts_generated": {
+      "type": "boolean"
+    },
+    "keywords": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "license": {
+      "type": "string"
+    },
+    "privacy_policies": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "format": "uri"
+      }
+    },
+    "compatibility": {
+      "type": "object",
+      "properties": {
+        "claude_desktop": {
+          "type": "string"
+        },
+        "platforms": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": [
+              "darwin",
+              "win32",
+              "linux"
+            ]
+          }
+        },
+        "runtimes": {
+          "type": "object",
+          "properties": {
+            "python": {
+              "type": "string"
+            },
+            "node": {
+              "type": "string"
+            }
+          },
+          "additionalProperties": false
+        }
+      },
+      "additionalProperties": false
+    },
+    "user_config": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "string",
+              "number",
+              "boolean",
+              "directory",
+              "file"
+            ]
+          },
+          "title": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "required": {
+            "type": "boolean"
+          },
+          "default": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "boolean"
+              },
+              {
+                "type": "array",
+                "items": {
+                  "type": "string"
+                }
+              }
+            ]
+          },
+          "multiple": {
+            "type": "boolean"
+          },
+          "sensitive": {
+            "type": "boolean"
+          },
+          "min": {
+            "type": "number"
+          },
+          "max": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "type",
+          "title",
+          "description"
+        ],
+        "additionalProperties": false
+      }
+    }
+  },
+  "required": [
+    "name",
+    "version",
+    "description",
+    "author",
+    "server"
+  ],
+  "additionalProperties": false,
+  "$schema": "http://json-schema.org/draft-07/schema#"
+}
\ No newline at end of file
diff --git a/schemas/mcpb-manifest-v0.3.schema.json b/schemas/mcpb-manifest-v0.3.schema.json
new file mode 100644
index 0000000..a2dc082
--- /dev/null
+++ b/schemas/mcpb-manifest-v0.3.schema.json
@@ -0,0 +1,376 @@
+{
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    },
+    "dxt_version": {
+      "type": "string",
+      "const": "0.3",
+      "description": "@deprecated Use manifest_version instead"
+    },
+    "manifest_version": {
+      "type": "string",
+      "const": "0.3"
+    },
+    "name": {
+      "type": "string"
+    },
+    "display_name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "long_description": {
+      "type": "string"
+    },
+    "author": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "email": {
+          "type": "string",
+          "format": "email"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "additionalProperties": false
+    },
+    "repository": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string"
+        },
+        "url": {
+          "type": "string",
+          "format": "uri"
+        }
+      },
+      "required": [
+        "type",
+        "url"
+      ],
+      "additionalProperties": false
+    },
+    "homepage": {
+      "type": "string",
+      "format": "uri"
+    },
+    "documentation": {
+      "type": "string",
+      "format": "uri"
+    },
+    "support": {
+      "type": "string",
+      "format": "uri"
+    },
+    "icon": {
+      "type": "string"
+    },
+    "icons": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "src": {
+            "type": "string"
+          },
+          "sizes": {
+            "type": "string",
+            "pattern": "^\\d+x\\d+$"
+          },
+          "theme": {
+            "type": "string",
+            "minLength": 1
+          }
+        },
+        "required": [
+          "src",
+          "sizes"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "screenshots": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "localization": {
+      "type": "object",
+      "properties": {
+        "resources": {
+          "type": "string",
+          "pattern": "\\$\\{locale\\}"
+        },
+        "default_locale": {
+          "type": "string",
+          "pattern": "^[A-Za-z0-9]{2,8}(?:-[A-Za-z0-9]{1,8})*$"
+        }
+      },
+      "required": [
+        "resources",
+        "default_locale"
+      ],
+      "additionalProperties": false
+    },
+    "server": {
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "python",
+            "node",
+            "binary"
+          ]
+        },
+        "entry_point": {
+          "type": "string"
+        },
+        "mcp_config": {
+          "type": "object",
+          "properties": {
+            "command": {
+              "type": "string"
+            },
+            "args": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            "env": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              }
+            },
+            "platform_overrides": {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {
+                  "command": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/command"
+                  },
+                  "args": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/args"
+                  },
+                  "env": {
+                    "$ref": "#/properties/server/properties/mcp_config/properties/env"
+                  }
+                },
+                "additionalProperties": false
+              }
+            }
+          },
+          "required": [
+            "command"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "type",
+        "entry_point",
+        "mcp_config"
+      ],
+      "additionalProperties": false
+    },
+    "tools": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "tools_generated": {
+      "type": "boolean"
+    },
+    "prompts": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "arguments": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          },
+          "text": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "name",
+          "text"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "prompts_generated": {
+      "type": "boolean"
+    },
+    "keywords": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "license": {
+      "type": "string"
+    },
+    "privacy_policies": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "format": "uri"
+      }
+    },
+    "compatibility": {
+      "type": "object",
+      "properties": {
+        "claude_desktop": {
+          "type": "string"
+        },
+        "platforms": {
+          "type": "array",
+          "items": {
+            "type": "string",
+            "enum": [
+              "darwin",
+              "win32",
+              "linux"
+            ]
+          }
+        },
+        "runtimes": {
+          "type": "object",
+          "properties": {
+            "python": {
+              "type": "string"
+            },
+            "node": {
+              "type": "string"
+            }
+          },
+          "additionalProperties": false
+        }
+      },
+      "additionalProperties": false
+    },
+    "user_config": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "string",
+              "number",
+              "boolean",
+              "directory",
+              "file"
+            ]
+          },
+          "title": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "required": {
+            "type": "boolean"
+          },
+          "default": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "boolean"
+              },
+              {
+                "type": "array",
+                "items": {
+                  "type": "string"
+                }
+              }
+            ]
+          },
+          "multiple": {
+            "type": "boolean"
+          },
+          "sensitive": {
+            "type": "boolean"
+          },
+          "min": {
+            "type": "number"
+          },
+          "max": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "type",
+          "title",
+          "description"
+        ],
+        "additionalProperties": false
+      }
+    },
+    "_meta": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": {}
+      }
+    }
+  },
+  "required": [
+    "name",
+    "version",
+    "description",
+    "author",
+    "server"
+  ],
+  "additionalProperties": false,
+  "$schema": "http://json-schema.org/draft-07/schema#"
+}
\ No newline at end of file
diff --git a/schemas/mcpb-manifest.schema.json b/schemas/mcpb-manifest.schema.json
index fc522b9..a2dc082 100644
--- a/schemas/mcpb-manifest.schema.json
+++ b/schemas/mcpb-manifest.schema.json
@@ -6,12 +6,12 @@
     },
     "dxt_version": {
       "type": "string",
-      "const": "0.2",
+      "const": "0.3",
       "description": "@deprecated Use manifest_version instead"
     },
     "manifest_version": {
       "type": "string",
-      "const": "0.2"
+      "const": "0.3"
     },
     "name": {
       "type": "string"
@@ -80,12 +80,54 @@
     "icon": {
       "type": "string"
     },
+    "icons": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "src": {
+            "type": "string"
+          },
+          "sizes": {
+            "type": "string",
+            "pattern": "^\\d+x\\d+$"
+          },
+          "theme": {
+            "type": "string",
+            "minLength": 1
+          }
+        },
+        "required": [
+          "src",
+          "sizes"
+        ],
+        "additionalProperties": false
+      }
+    },
     "screenshots": {
       "type": "array",
       "items": {
         "type": "string"
       }
     },
+    "localization": {
+      "type": "object",
+      "properties": {
+        "resources": {
+          "type": "string",
+          "pattern": "\\$\\{locale\\}"
+        },
+        "default_locale": {
+          "type": "string",
+          "pattern": "^[A-Za-z0-9]{2,8}(?:-[A-Za-z0-9]{1,8})*$"
+        }
+      },
+      "required": [
+        "resources",
+        "default_locale"
+      ],
+      "additionalProperties": false
+    },
     "server": {
       "type": "object",
       "properties": {
@@ -313,6 +355,13 @@
         ],
         "additionalProperties": false
       }
+    },
+    "_meta": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": {}
+      }
     }
   },
   "required": [
diff --git a/scripts/build-mcpb-schema.js b/scripts/build-mcpb-schema.js
index a359274..4068f91 100644
--- a/scripts/build-mcpb-schema.js
+++ b/scripts/build-mcpb-schema.js
@@ -1,33 +1,49 @@
 import {
-  McpbManifestSchema,
+  McpbManifestSchema as McpbManifestSchemaLatest,
   McpbSignatureInfoSchema,
 } from "../dist/schemas/latest.js";
+import { McpbManifestSchema as McpbManifestSchema_v0_1 } from "../dist/schemas/0.1.js";
+import { McpbManifestSchema as McpbManifestSchema_v0_2 } from "../dist/schemas/0.2.js";
+import { McpbManifestSchema as McpbManifestSchema_v0_3 } from "../dist/schemas/0.3.js";
 import { zodToJsonSchema } from "zod-to-json-schema";
 import fs from "node:fs/promises";
 import path from "node:path";
 
-const schemasToWrite = {
-  "mcpb-manifest": McpbManifestSchema,
-  "mcpb-signature-info": McpbSignatureInfoSchema,
-};
-
 const distDir = path.join(import.meta.dirname, "../dist");
 const schemasDir = path.join(import.meta.dirname, "../schemas");
 
+// Versioned manifest schemas
+const versionedManifestSchemas = {
+  "mcpb-manifest-v0.1": McpbManifestSchema_v0_1,
+  "mcpb-manifest-v0.2": McpbManifestSchema_v0_2,
+  "mcpb-manifest-v0.3": McpbManifestSchema_v0_3,
+  "mcpb-manifest-latest": McpbManifestSchemaLatest,
+  "mcpb-manifest": McpbManifestSchemaLatest, // Alias for latest
+};
+
+// Other schemas
+const otherSchemas = {
+  "mcpb-signature-info": McpbSignatureInfoSchema,
+};
+
+const allSchemas = { ...versionedManifestSchemas, ...otherSchemas };
+
 // Generate all schemas to dist/
 await fs.mkdir(distDir, { recursive: true });
-for (const key in schemasToWrite) {
-  const schema = zodToJsonSchema(schemasToWrite[key]);
+for (const [key, schema] of Object.entries(allSchemas)) {
+  const jsonSchema = zodToJsonSchema(schema);
   const filePath = path.join(distDir, `${key}.schema.json`);
-  await fs.writeFile(filePath, JSON.stringify(schema, null, 2), {
+  await fs.writeFile(filePath, JSON.stringify(jsonSchema, null, 2), {
     encoding: "utf8",
   });
 }
 
-// Generate only manifest schema to schemas/
+// Generate all versioned manifest schemas to schemas/
 await fs.mkdir(schemasDir, { recursive: true });
-const manifestSchema = zodToJsonSchema(McpbManifestSchema);
-const manifestPath = path.join(schemasDir, "mcpb-manifest.schema.json");
-await fs.writeFile(manifestPath, JSON.stringify(manifestSchema, null, 2), {
-  encoding: "utf8",
-});
+for (const [key, schema] of Object.entries(versionedManifestSchemas)) {
+  const jsonSchema = zodToJsonSchema(schema);
+  const filePath = path.join(schemasDir, `${key}.schema.json`);
+  await fs.writeFile(filePath, JSON.stringify(jsonSchema, null, 2), {
+    encoding: "utf8",
+  });
+}