feat: add search API key configuration

extensions/mcp-config.ts

@@ -1,33 +1,36 @@
-import type { McpConfig } from "pi-mcp-adapter";
 
 export const EXA_TOOLS = ["web_search_exa", "web_fetch_exa", "web_search_advanced_exa"];
 const EXA_MCP_URL = `https://mcp.exa.ai/mcp?tools=${EXA_TOOLS.join(",")}`;
 
-export const MCP_CONFIG: McpConfig = {
-	settings: {
-		disableProxyTool: true,
-		scriptMode: false,
-	},
-	mcpServers: {
-		exa: {
-			url: EXA_MCP_URL,
-			protocolVersion: "auto",
-			lifecycle: "eager",
-			directTools: EXA_TOOLS,
-			includeTools: EXA_TOOLS,
-			toolPrefix: "none",
-			approveTools: false,
-			exposeResources: false,
+export function createMcpConfig(env: Record<string, string | undefined>) {
+	const hasExaApiKey = Boolean(env.EXA_API_KEY?.trim());
+	return {
+		settings: {
+			disableProxyTool: true,
+			scriptMode: false,
 		},
-		codegraph: {
-			command: "codegraph",
-			args: ["serve", "--mcp"],
-			lifecycle: "keep-alive",
-			directTools: ["codegraph_explore"],
-			includeTools: ["codegraph_explore"],
-			toolPrefix: "none",
-			approveTools: false,
-			exposeResources: false,
+		mcpServers: {
+			exa: {
+				url: EXA_MCP_URL,
+				...(hasExaApiKey ? { headers: { "x-api-key": "$env:EXA_API_KEY" } } : {}),
+				protocolVersion: "auto" as const,
+				lifecycle: "eager" as const,
+				directTools: EXA_TOOLS,
+				includeTools: EXA_TOOLS,
+				toolPrefix: "none" as const,
+				approveTools: false,
+				exposeResources: false,
+			},
+			codegraph: {
+				command: "codegraph",
+				args: ["serve", "--mcp"],
+				lifecycle: "keep-alive" as const,
+				directTools: ["codegraph_explore"],
+				includeTools: ["codegraph_explore"],
+				toolPrefix: "none" as const,
+				approveTools: false,
+				exposeResources: false,
+			},
 		},
-	},
-};
+	};
+}