earendil-works/pi · error · Error

Unsupported proxy protocol. SOCKS and PAC proxy URLs are not

Error message

Unsupported proxy protocol. SOCKS and PAC proxy URLs are not supported; use an HTTP or HTTPS proxy URL. Got ${proxyUrl.protocol}

What it means

Error "Unsupported proxy protocol. SOCKS and PAC proxy URLs are not supported; use an HTTP or HTTPS proxy URL. Got ${proxyUrl.protocol}" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/utils/node-http-proxy.ts:108

	"Unsupported proxy protocol. SOCKS and PAC proxy URLs are not supported; use an HTTP or HTTPS proxy URL.";

export function resolveHttpProxyUrlForTarget(targetUrl: string | URL, env?: ProviderEnv): URL | undefined {
	const proxy = getProxyForUrl(targetUrl, env);
	if (!proxy) {
		return undefined;
	}

	let proxyUrl: URL;
	try {
		proxyUrl = new URL(proxy);
	} catch (error) {
		throw new Error(
			`Invalid proxy URL ${JSON.stringify(proxy)}: ${error instanceof Error ? error.message : String(error)}`,
		);
	}

	if (proxyUrl.protocol !== "http:" && proxyUrl.protocol !== "https:") {
		throw new Error(`${UNSUPPORTED_PROXY_PROTOCOL_MESSAGE} Got ${proxyUrl.protocol}`);
	}

	return proxyUrl;
}

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Use an HTTP or HTTPS proxy URL; SOCKS and PAC URLs are not supported.

When it happens

Trigger: Thrown at packages/ai/src/utils/node-http-proxy.ts:108 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/c707e8578c4c37b9. Report an issue: GitHub.