import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { ResourceTemplate } from '@modelcontextprotocol/sdk/server/mcp.js';
import { config } from './config.js';
import { stableStringify } from './json.js';
/* -------------------------------------------------------------------------------------------------
* Configuration Resource
* ------------------------------------------------------------------------------------------------- */
const REDACTED = '<REDACTED>' as const;
const CONFIG_RESOURCE_NAME = 'config' as const;
const CONFIG_RESOURCE_URI = 'internal://config' as const;
const JSON_MIME = 'application/json' as const;
function scrubConfig(source: typeof config): typeof config {
return {
...source,
auth: {
...source.auth,
clientSecret: source.auth.clientSecret ? REDACTED : undefined,
staticTokens: source.auth.staticTokens.map(() => REDACTED),
},
security: {
...source.security,
apiKey: source.security.apiKey ? REDACTED : undefined,
},
};
}
export function registerConfigResource(server: McpServer): void {
server.registerResource(
CONFIG_RESOURCE_NAME,
new ResourceTemplate(CONFIG_RESOURCE_URI, { list: undefined }),
{
title: 'Server Configuration',
description: 'Current runtime configuration (secrets redacted)',
mimeType: JSON_MIME,
},
(uri) => {
const scrubbed = scrubConfig(config);
return {
contents: [
{
uri: uri.href,
mimeType: JSON_MIME,
text: stableStringify(scrubbed),
},
],
};
}
);
}
