earendil-works/pi · error · Error

Missing OAuth state

Error message

Missing OAuth state

What it means

Error "Missing OAuth state" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/auth/oauth/anthropic.ts:304

			const parsed = parseAuthorizationInput(manualInput);
			if (parsed.state && parsed.state !== verifier) throw new Error("OAuth state mismatch");
			code = parsed.code;
			state = parsed.state ?? verifier;
		}

		if (!code) {
			await manualPromise;
			if (manualError) throw manualError;
			if (manualInput) {
				const parsed = parseAuthorizationInput(manualInput);
				if (parsed.state && parsed.state !== verifier) throw new Error("OAuth state mismatch");
				code = parsed.code;
				state = parsed.state ?? verifier;
			}
		}

		if (!code) throw new Error("Missing authorization code");
		if (!state) throw new Error("Missing OAuth state");
		interaction.notify({ type: "progress", message: "Exchanging authorization code for tokens..." });
		return exchangeAuthorizationCode(code, state, verifier, REDIRECT_URI, interaction.signal);
	} finally {
		interaction.signal.removeEventListener("abort", onAbort);
		manualAbort.abort();
		server.server.close();
	}
}

/**
 * Refresh Anthropic OAuth token
 */
async function refreshAnthropicToken(refreshToken: string, signal: AbortSignal): Promise<OAuthCredential> {
	let responseBody: string;
	try {
		responseBody = await postJson(
			TOKEN_URL,
			{

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Repeat the login; the callback lacked the OAuth state parameter.

When it happens

Trigger: Thrown at packages/ai/src/auth/oauth/anthropic.ts:304 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/2b6fb2f89da84a57. Report an issue: GitHub.