import { z } from "zod";
import type { ToolHandlerContext } from "./common.js";
import { defineTool } from "./common.js";
export const DiagnosticsInputSchema = z.object({
includeEnvironment: z
.boolean()
.optional()
.describe("Include environment info"),
});
export const DiagnosticsOutputSchema = z.object({
content: z.array(
z.object({
type: z.literal("resource"),
resource: z.object({
uri: z.string(),
mimeType: z.string().optional(),
text: z.string(),
}),
}),
),
});
export const createDiagnosticsTool = (
serverVersion: string,
getEnabledToolNames: () => string[],
) =>
defineTool({
name: "diagnostics",
description: "Diagnostics resource and runtime metadata.",
inputSchema: DiagnosticsInputSchema,
outputSchema: DiagnosticsOutputSchema,
handler: async (
_args?: z.infer<typeof DiagnosticsInputSchema>,
_context?: ToolHandlerContext,
): Promise<z.infer<typeof DiagnosticsOutputSchema>> => {
const diagnosticsData = {
version: serverVersion,
mcpProtocolVersion: "2025-11-25",
sdkVersion: "1.25.3",
nodeVersion: process.version,
bunVersion: typeof Bun !== "undefined" ? Bun.version : undefined,
os: process.platform,
uptime: process.uptime(),
startTime: new Date(Date.now() - process.uptime() * 1000).toISOString(),
env: {
NODE_ENV: process.env.NODE_ENV,
MCP_DEBUG: process.env.MCP_DEBUG,
MCP_TRANSPORT: process.env.MCP_TRANSPORT,
RAINDROP_ACCESS_TOKEN: process.env.RAINDROP_ACCESS_TOKEN
? "set"
: "unset",
},
enabledTools: getEnabledToolNames(),
memory: process.memoryUsage(),
};
return {
content: [
{
type: "resource",
resource: {
uri: "diagnostics://server",
mimeType: "application/json",
text: JSON.stringify(diagnosticsData, null, 2),
},
},
],
};
},
});
