diff --git a/packages/opencode/src/config/config.ts b/packages/opencode/src/config/config.ts
index 5423ba3baf5f..93d9be091b76 100644
--- a/packages/opencode/src/config/config.ts
+++ b/packages/opencode/src/config/config.ts
@@ -23,6 +23,7 @@ import { AppFileSystem } from "@opencode-ai/shared/filesystem"
 import { InstanceState } from "@/effect"
 import { Context, Duration, Effect, Exit, Fiber, Layer, Option, Schema } from "effect"
 import { EffectFlock } from "@opencode-ai/shared/util/effect-flock"
+import { makeRuntime } from "@/effect/run-service"
 import { InstanceRef } from "@/effect/instance-ref"
 import { zod, ZodOverride } from "@/util/effect-zod"
 import { withStatics } from "@/util/schema"
@@ -240,6 +241,9 @@ export const Info = Schema.Struct({
       mcp_timeout: Schema.optional(PositiveInt).annotate({
         description: "Timeout in milliseconds for model context protocol (MCP) requests",
       }),
+      enable_exa: Schema.optional(Schema.Boolean).annotate({
+        description: "Enable experimental Exa features",
+      }),
     }),
   ),
 })
@@ -796,3 +800,11 @@ export const defaultLayer = layer.pipe(
   Layer.provide(Account.defaultLayer),
   Layer.provide(Npm.defaultLayer),
 )
+
+const { runPromise } = makeRuntime(Service, defaultLayer)
+
+export async function experimentalEnableExa(): Promise<boolean> {
+  if (Flag.OPENCODE_ENABLE_EXA) return true
+  const config = await runPromise((svc) => svc.get())
+  return config.experimental?.enable_exa === true
+}