diff --git a/compiler/packages/babel-plugin-react-forget/src/HIR/Environment.ts b/compiler/packages/babel-plugin-react-forget/src/HIR/Environment.ts
index fb9ef190eb..2b396e425f 100644
--- a/compiler/packages/babel-plugin-react-forget/src/HIR/Environment.ts
+++ b/compiler/packages/babel-plugin-react-forget/src/HIR/Environment.ts
@@ -212,7 +212,7 @@ export type EnvironmentConfig = {
   bailoutOnHoleyArrays: boolean;
 };
 
-const DEFAULT_ENVIRONMENT_CONFIG: Readonly<EnvironmentConfig> = {
+export const DEFAULT_ENVIRONMENT_CONFIG: Readonly<EnvironmentConfig> = {
   customHooks: null,
 
   memoizeJsxElements: true,
@@ -231,6 +231,29 @@ const DEFAULT_ENVIRONMENT_CONFIG: Readonly<EnvironmentConfig> = {
   validateRefAccessDuringRender: false,
 };
 
+export function parseConfigPragma(pragma: string): EnvironmentConfig {
+  const config = { ...DEFAULT_ENVIRONMENT_CONFIG };
+  for (const key of Object.keys(DEFAULT_ENVIRONMENT_CONFIG)) {
+    if (!isEnvironmentConfigKey(key)) {
+      continue;
+    }
+    const value = config[key];
+    if (typeof value !== "boolean") {
+      // We only support setting boolean flags via pragma strings
+      continue;
+    }
+    if (pragma.includes(`@${key}:true`)) {
+      config[key] = true as any;
+    } else if (pragma.includes(`@${key}:false`)) {
+      config[key] = false as any;
+    } else if (pragma.includes(`@${key}`)) {
+      config[key] = true as any;
+    }
+  }
+
+  return config;
+}
+
 function isEnvironmentConfigKey(key: string): key is keyof EnvironmentConfig {
   return Object.prototype.hasOwnProperty.call(DEFAULT_ENVIRONMENT_CONFIG, key);
 }
diff --git a/compiler/packages/babel-plugin-react-forget/src/HIR/index.ts b/compiler/packages/babel-plugin-react-forget/src/HIR/index.ts
index b6f3ad631f..8de88e686c 100644
--- a/compiler/packages/babel-plugin-react-forget/src/HIR/index.ts
+++ b/compiler/packages/babel-plugin-react-forget/src/HIR/index.ts
@@ -10,7 +10,12 @@ export { assertTerminalSuccessorsExist } from "./AssertTerminalSuccessorsExist";
 export { assertValidMutableRanges } from "./AssertValidMutableRanges";
 export { lower } from "./BuildHIR";
 export { computeDominatorTree, computePostDominatorTree } from "./Dominator";
-export { Environment, Hook } from "./Environment";
+export {
+  DEFAULT_ENVIRONMENT_CONFIG,
+  Environment,
+  Hook,
+  parseConfigPragma,
+} from "./Environment";
 export * from "./HIR";
 export {
   markInstructionIds,
diff --git a/compiler/packages/babel-plugin-react-forget/src/__tests__/parseConfigPragma-test.ts b/compiler/packages/babel-plugin-react-forget/src/__tests__/parseConfigPragma-test.ts
new file mode 100644
index 0000000000..efba667c40
--- /dev/null
+++ b/compiler/packages/babel-plugin-react-forget/src/__tests__/parseConfigPragma-test.ts
@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import { DEFAULT_ENVIRONMENT_CONFIG, parseConfigPragma } from "..";
+
+describe("parseConfigPragma()", () => {
+  it("parses flags in various forms", () => {
+    const config = parseConfigPragma(
+      "@enableForest @validateFrozenLambdas:true @memoizeJsxElements:false"
+    );
+    // Validate defaults first to make sure that the parser is getting the value from the pragma,
+    // and not just missing it and getting the default value
+    expect(DEFAULT_ENVIRONMENT_CONFIG.enableForest).toBe(false);
+    expect(DEFAULT_ENVIRONMENT_CONFIG.validateFrozenLambdas).toBe(false);
+    expect(DEFAULT_ENVIRONMENT_CONFIG.memoizeJsxElements).toBe(true);
+
+    expect(config).toEqual({
+      ...DEFAULT_ENVIRONMENT_CONFIG,
+      enableForest: true,
+      validateFrozenLambdas: true,
+      memoizeJsxElements: false,
+    });
+  });
+});
diff --git a/compiler/packages/babel-plugin-react-forget/src/index.ts b/compiler/packages/babel-plugin-react-forget/src/index.ts
index f2d79b9b4c..489ea48fb0 100644
--- a/compiler/packages/babel-plugin-react-forget/src/index.ts
+++ b/compiler/packages/babel-plugin-react-forget/src/index.ts
@@ -19,7 +19,15 @@ export {
   parsePluginOptions,
   run,
 } from "./Entrypoint";
-export { Effect, Hook, SourceLocation, ValueKind, printHIR } from "./HIR";
+export {
+  DEFAULT_ENVIRONMENT_CONFIG,
+  Effect,
+  Hook,
+  SourceLocation,
+  ValueKind,
+  parseConfigPragma,
+  printHIR,
+} from "./HIR";
 export { printReactiveFunction } from "./ReactiveScopes";
 
 declare global {