import { z } from 'zod';
// ============================================================================
// JSON-RPC 2.0 Types
// ============================================================================
export const JsonRpcRequestSchema = z.object({
jsonrpc: z.literal('2.0'),
id: z.union([z.string(), z.number(), z.null()]).optional(),
method: z.string(),
params: z.record(z.unknown()).optional(),
});
export type JsonRpcRequest = z.infer<typeof JsonRpcRequestSchema>;
export interface JsonRpcResponse {
jsonrpc: '2.0';
id?: string | number | null;
result?: unknown;
error?: JsonRpcError;
}
export interface JsonRpcError {
code: number;
message: string;
data?: unknown;
}
// Standard JSON-RPC error codes
export const ErrorCodes = {
PARSE_ERROR: -32700,
INVALID_REQUEST: -32600,
METHOD_NOT_FOUND: -32601,
INVALID_PARAMS: -32602,
INTERNAL_ERROR: -32603,
} as const;
// ============================================================================
// MCP Protocol Types
// ============================================================================
export const MCPToolDefinitionSchema = z.object({
name: z.string(),
description: z.string(),
inputSchema: z.object({
type: z.literal('object'),
properties: z.record(z.unknown()),
required: z.array(z.string()).optional(),
}),
});
export type MCPToolDefinition = z.infer<typeof MCPToolDefinitionSchema>;
export interface MCPToolsListResponse {
tools: MCPToolDefinition[];
}
export interface MCPToolCallRequest {
name: string;
arguments: Record<string, unknown>;
}
export interface MCPToolCallResponse {
content: Array<{
type: 'text';
text: string;
}>;
isError?: boolean;
}
// ============================================================================
// MCP Methods
// ============================================================================
export const MCPMethods = {
// Lifecycle
INITIALIZE: 'initialize',
// Tools
TOOLS_LIST: 'tools/list',
TOOLS_CALL: 'tools/call',
// Resources (not implemented yet)
RESOURCES_LIST: 'resources/list',
RESOURCES_READ: 'resources/read',
// Prompts (not implemented yet)
PROMPTS_LIST: 'prompts/list',
PROMPTS_GET: 'prompts/get',
} as const;
// ============================================================================
// Server Info
// ============================================================================
export const ServerInfo = {
name: 'mnemo',
version: '0.1.0',
protocolVersion: '2024-11-05',
capabilities: {
tools: {},
},
};
