Interface Documentation
This document describes the core interfaces used throughout the Home Assistant MCP.
Core Interfaces
Tool Interface
interface Tool {
/** Unique identifier for the tool */
id: string;
/** Human-readable name */
name: string;
/** Detailed description */
description: string;
/** Semantic version */
version: string;
/** Tool category */
category: ToolCategory;
/** Execute tool functionality */
execute(params: any): Promise<ToolResult>;
}
Tool Result
interface ToolResult {
/** Operation success status */
success: boolean;
/** Response data */
data?: any;
/** Error message if failed */
message?: string;
/** Error code if failed */
error_code?: string;
}
Tool Category
enum ToolCategory {
DeviceManagement = 'device_management',
HistoryState = 'history_state',
Automation = 'automation',
AddonsPackages = 'addons_packages',
Notifications = 'notifications',
Events = 'events',
Utility = 'utility'
}
Event Interfaces
Event Subscription
interface EventSubscription {
/** Unique subscription ID */
id: string;
/** Event type to subscribe to */
event_type: string;
/** Optional entity ID filter */
entity_id?: string;
/** Optional domain filter */
domain?: string;
/** Subscription creation timestamp */
created_at: string;
/** Last event timestamp */
last_event?: string;
}
Event Message
interface EventMessage {
/** Event type */
event_type: string;
/** Entity ID if applicable */
entity_id?: string;
/** Event data */
data: any;
/** Event origin */
origin: 'LOCAL' | 'REMOTE';
/** Event timestamp */
time_fired: string;
/** Event context */
context: EventContext;
}
Device Interfaces
Device
interface Device {
/** Device ID */
id: string;
/** Device name */
name: string;
/** Device domain */
domain: string;
/** Current state */
state: string;
/** Device attributes */
attributes: Record<string, any>;
/** Device capabilities */
capabilities: DeviceCapabilities;
}
Device Capabilities
interface DeviceCapabilities {
/** Supported features */
features: string[];
/** Supported commands */
commands: string[];
/** State attributes */
attributes: {
/** Attribute name */
[key: string]: {
/** Attribute type */
type: 'string' | 'number' | 'boolean' | 'object';
/** Attribute description */
description: string;
/** Optional value constraints */
constraints?: {
min?: number;
max?: number;
enum?: any[];
};
};
};
}
Authentication Interfaces
Auth Token
interface AuthToken {
/** Token value */
token: string;
/** Token type */
type: 'bearer' | 'jwt';
/** Expiration timestamp */
expires_at: string;
/** Token refresh info */
refresh?: {
token: string;
expires_at: string;
};
}
User
interface User {
/** User ID */
id: string;
/** Username */
username: string;
/** User type */
type: 'admin' | 'user' | 'service';
/** User permissions */
permissions: string[];
}
Error Interfaces
Tool Error
interface ToolError extends Error {
/** Error code */
code: string;
/** HTTP status code */
status: number;
/** Error details */
details?: Record<string, any>;
}
Validation Error
interface ValidationError {
/** Error path */
path: string;
/** Error message */
message: string;
/** Error code */
code: string;
}
Configuration Interfaces
Tool Configuration
interface ToolConfig {
/** Enable/disable tool */
enabled: boolean;
/** Tool-specific settings */
settings: Record<string, any>;
/** Rate limiting */
rate_limit?: {
/** Max requests */
max: number;
/** Time window in seconds */
window: number;
};
}
System Configuration
interface SystemConfig {
/** System name */
name: string;
/** Environment */
environment: 'development' | 'production';
/** Log level */
log_level: 'debug' | 'info' | 'warn' | 'error';
/** Tool configurations */
tools: Record<string, ToolConfig>;
}
Best Practices
- Use TypeScript for all interfaces
- Include JSDoc comments
- Use strict typing
- Keep interfaces focused
- Use consistent naming
- Document constraints
- Version interfaces
- Include examples