cline/cline · error · Error

Remote plugin file URLs must use https: ${source}

Error message

Remote plugin file URLs must use https: ${source}

What it means

Error "Remote plugin file URLs must use https: ${source}" thrown in cline/cline.

Source

Thrown at sdk/packages/core/src/services/plugin-install.ts:304

		return null;
	}
	let parsed: URL;
	try {
		parsed = new URL(source);
	} catch {
		return null;
	}

	const host = parsed.hostname.toLowerCase();
	const filename = filenameFromUrlPath(parsed.pathname);
	const isPluginFile = isPluginModulePath(filename);
	const isGitHubFile =
		(host === "github.com" || host === "www.github.com") &&
		isGitHubFilePath(parsed.pathname);

	if (parsed.protocol !== "https:") {
		if (isGitHubFile || host === "raw.githubusercontent.com" || isPluginFile) {
			throw new Error(`Remote plugin file URLs must use https: ${source}`);
		}
		return null;
	}

	if (host === "github.com" || host === "www.github.com") {
		const parts = parsed.pathname.split("/").filter(Boolean);
		if (!isGitHubFile) {
			return null;
		}
		if (!isPluginFile) {
			throw new Error(`Remote plugin file must be .js or .ts: ${source}`);
		}
		const rawParts = [parts[0], parts[1], ...parts.slice(3)];
		return {
			type: "remote",
			url: `https://raw.githubusercontent.com/${rawParts.join("/")}`,
			filename,
		};

View on GitHub (pinned to 491b30b806)

When it happens

Trigger: Thrown at sdk/packages/core/src/services/plugin-install.ts:304 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of cline/cline@491b30b806 (2026-08-25). Data as JSON: /api/errors/32a5a9c3c3c7c593. Report an issue: GitHub.