fix: honor telemetry for Cloudflare attribution headers

packages/ai/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Removed generated Cloudflare Workers AI `User-Agent` model headers so attribution can be controlled by callers.
+
 ## [0.70.5] - 2026-04-27
 
 ## [0.70.4] - 2026-04-27

packages/ai/scripts/generate-models.ts

@@ -64,10 +64,6 @@ const KIMI_STATIC_HEADERS = {
 	"User-Agent": "KimiCLI/1.5",
 } as const;
 
-const CLOUDFLARE_STATIC_HEADERS = {
-	"User-Agent": "pi-coding-agent",
-} as const;
-
 const AI_GATEWAY_MODELS_URL = "https://ai-gateway.vercel.sh/v1";
 const AI_GATEWAY_BASE_URL = "https://ai-gateway.vercel.sh";
 const ZAI_TOOL_STREAM_UNSUPPORTED_MODELS = new Set(["glm-4.5", "glm-4.5-air", "glm-4.5-flash", "glm-4.5v"]);
@@ -403,7 +399,6 @@ async function loadModelsDevData(): Promise<Model<any>[]> {
 					},
 					contextWindow: m.limit?.context || 4096,
 					maxTokens: m.limit?.output || 4096,
-					headers: { ...CLOUDFLARE_STATIC_HEADERS },
 					compat: { sendSessionAffinityHeaders: true },
 				});
 			}

packages/ai/src/models.generated.ts

@@ -15381,7 +15381,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text", "image"],
@@ -15400,7 +15399,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: false,
 			input: ["text", "image"],
@@ -15419,7 +15417,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text", "image"],
@@ -15438,7 +15435,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text", "image"],
@@ -15457,7 +15453,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text"],
@@ -15476,7 +15471,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text"],
@@ -15495,7 +15489,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text"],
@@ -15514,7 +15507,6 @@ export const MODELS = {
 			api: "openai-completions",
 			provider: "cloudflare-workers-ai",
 			baseUrl: "https://api.cloudflare.com/client/v4/accounts/{CLOUDFLARE_ACCOUNT_ID}/ai/v1",
-			headers: {"User-Agent":"pi-coding-agent"},
 			compat: {"sendSessionAffinityHeaders":true},
 			reasoning: true,
 			input: ["text"],

packages/coding-agent/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed Cloudflare Workers AI attribution headers to honor the install telemetry setting.
+
 ## [0.70.5] - 2026-04-27
 
 ### Fixed

packages/coding-agent/src/core/sdk.ts

@@ -125,21 +125,29 @@ function getDefaultAgentDir(): string {
 	return getAgentDir();
 }
 
-function getOpenRouterAttributionHeaders(
+function getAttributionHeaders(
 	model: Model<any>,
 	settingsManager: SettingsManager,
 ): Record<string, string> | undefined {
 	if (!isInstallTelemetryEnabled(settingsManager)) {
 		return undefined;
 	}
-	if (model.provider !== "openrouter" && !model.baseUrl.includes("openrouter.ai")) {
+
-		return undefined;
+	if (model.provider === "openrouter" || model.baseUrl.includes("openrouter.ai")) {
+		return {
+			"HTTP-Referer": "https://pi.dev",
+			"X-OpenRouter-Title": "pi",
+			"X-OpenRouter-Categories": "cli-agent",
+		};
 	}
-	return {
+
-		"HTTP-Referer": "https://pi.dev",
+	if (model.provider === "cloudflare-workers-ai" || model.baseUrl.includes("api.cloudflare.com")) {
-		"X-OpenRouter-Title": "pi",
+		return {
-		"X-OpenRouter-Categories": "cli-agent",
+			"User-Agent": "pi-coding-agent",
-	};
+		};
+	}
+
+	return undefined;
 }
 
 /**
@@ -316,7 +324,7 @@ export async function createAgentSession(options: CreateAgentSessionOptions = {}
 				throw new Error(auth.error);
 			}
 			const providerRetrySettings = settingsManager.getProviderRetrySettings();
-			const openRouterAttributionHeaders = getOpenRouterAttributionHeaders(model, settingsManager);
+			const attributionHeaders = getAttributionHeaders(model, settingsManager);
 			return streamSimple(model, context, {
 				...options,
 				apiKey: auth.apiKey,
@@ -324,8 +332,8 @@ export async function createAgentSession(options: CreateAgentSessionOptions = {}
 				maxRetries: options?.maxRetries ?? providerRetrySettings.maxRetries,
 				maxRetryDelayMs: options?.maxRetryDelayMs ?? providerRetrySettings.maxRetryDelayMs,
 				headers:
-					openRouterAttributionHeaders || auth.headers || options?.headers
+					attributionHeaders || auth.headers || options?.headers
-						? { ...openRouterAttributionHeaders, ...auth.headers, ...options?.headers }
+						? { ...attributionHeaders, ...auth.headers, ...options?.headers }
 						: undefined,
 			});
 		},