diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..8ea34be
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,23 @@
+# syntax=docker/dockerfile:1
+FROM debian:bookworm-slim AS stainless
+
+RUN apt-get update && apt-get install -y \
+  nodejs \
+  npm \
+  yarnpkg \
+  && apt-get clean autoclean
+
+# Ensure UTF-8 encoding
+ENV LANG=C.UTF-8
+ENV LC_ALL=C.UTF-8
+
+# Yarn
+RUN ln -sf /usr/bin/yarnpkg /usr/bin/yarn
+
+WORKDIR /workspace
+
+COPY package.json yarn.lock /workspace/
+
+RUN yarn install
+
+COPY . /workspace
diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..60f0e7a
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,10 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint', 'unused-imports', 'prettier'],
+  rules: {
+    'no-unused-vars': 'off',
+    'prettier/prettier': 'error',
+    'unused-imports/no-unused-imports': 'error',
+  },
+  root: true,
+};
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7b51ca0..5e39b94 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.17.0"
+  ".": "0.18.0"
 }
diff --git a/.stats.yml b/.stats.yml
index 718bfb9..fbf52db 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 5
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/perplexity-ai%2Fperplexity-a251035716e17e7699e06dc69d4d7ab44ff3a8bde20bf3d35ecb03f6536b0f19.yml
-openapi_spec_hash: 60fd7b4e1f54d41e944a5f2ec6744ef8
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/perplexity-ai%2Fperplexity-625f4b8c8e0776ba42d4848352701e8a482c732f47b4570bcc6bd55d0fa40d4f.yml
+openapi_spec_hash: 81b4e099cc6c902cacac6cfae611157f
 config_hash: 5b10428c82f4119aa4837f03046d0e5c
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 279760a..9132374 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## 0.18.0 (2025-12-05)
+
+Full Changelog: [v0.17.0...v0.18.0](https://github.com/perplexityai/perplexity-node/compare/v0.17.0...v0.18.0)
+
+### Features
+
+* **api:** manual updates ([fc07d79](https://github.com/perplexityai/perplexity-node/commit/fc07d79363e3bbe103595139270ddfa9cdc9af4d))
+
+
+### Bug Fixes
+
+* **mcp:** correct code tool API endpoint ([d7be1ad](https://github.com/perplexityai/perplexity-node/commit/d7be1ad64f691f68b9fd626ff657ff58056bb0a1))
+* **mcp:** return correct lines on typescript errors ([2719b53](https://github.com/perplexityai/perplexity-node/commit/2719b530e2560713cdba9a407ad74a5bf8cd0f32))
+
+
+### Chores
+
+* **internal:** codegen related update ([6ac26a8](https://github.com/perplexityai/perplexity-node/commit/6ac26a8aeebf04d7d1f2f0e4e9241d2327a3eb70))
+
 ## 0.17.0 (2025-12-02)
 
 Full Changelog: [v0.16.0...v0.17.0](https://github.com/perplexityai/perplexity-node/compare/v0.16.0...v0.17.0)
diff --git a/jest.setup.ts b/jest.setup.ts
new file mode 100644
index 0000000..e69de29
diff --git a/package.json b/package.json
index bdbbd19..313059b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@perplexity-ai/perplexity_ai",
-  "version": "0.17.0",
+  "version": "0.18.0",
   "description": "The official TypeScript library for the Perplexity API",
   "author": "Perplexity <api@perplexity.ai>",
   "types": "dist/index.d.ts",
diff --git a/src/internal/polyfill/file.node.d.ts b/src/internal/polyfill/file.node.d.ts
new file mode 100644
index 0000000..c95276d
--- /dev/null
+++ b/src/internal/polyfill/file.node.d.ts
@@ -0,0 +1,14 @@
+/**
+ * This file polyfills the global `File` object for you if it's not already defined
+ * when running on Node.js
+ *
+ * This is only needed on Node.js v18 & v19. Newer versions already define `File`
+ * as a global.
+ */
+
+// @ts-ignore
+type nodeBuffer = typeof import('node:buffer');
+declare const File: typeof globalThis extends { File: unknown } ? (typeof globalThis)['File']
+: nodeBuffer extends { File: unknown } ? nodeBuffer['File']
+: any;
+export {};
diff --git a/src/internal/polyfill/file.node.mjs b/src/internal/polyfill/file.node.mjs
new file mode 100644
index 0000000..520dcb8
--- /dev/null
+++ b/src/internal/polyfill/file.node.mjs
@@ -0,0 +1,9 @@
+/**
+ * This file polyfills the global `File` object for you if it's not already defined
+ * when running on Node.js
+ *
+ * This is only needed on Node.js v18 & v19. Newer versions already define `File`
+ * as a global.
+ */
+
+import './file.node.js';
diff --git a/src/resources/search.ts b/src/resources/search.ts
index 201fed5..3465db6 100644
--- a/src/resources/search.ts
+++ b/src/resources/search.ts
@@ -42,6 +42,10 @@ export interface SearchCreateParams {
 
   display_server_time?: boolean;
 
+  last_updated_after_filter?: string | null;
+
+  last_updated_before_filter?: string | null;
+
   max_results?: number;
 
   max_tokens?: number;
diff --git a/src/version.ts b/src/version.ts
index 0251da7..74131f9 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.17.0'; // x-release-please-version
+export const VERSION = '0.18.0'; // x-release-please-version
diff --git a/tests/api-resources/search.test.ts b/tests/api-resources/search.test.ts
index c2e0be9..ca58717 100644
--- a/tests/api-resources/search.test.ts
+++ b/tests/api-resources/search.test.ts
@@ -26,6 +26,8 @@ describe('resource search', () => {
       query: 'string',
       country: 'country',
       display_server_time: true,
+      last_updated_after_filter: 'last_updated_after_filter',
+      last_updated_before_filter: 'last_updated_before_filter',
       max_results: 0,
       max_tokens: 0,
       max_tokens_per_page: 0,
diff --git a/tests/responses.test.ts b/tests/responses.test.ts
new file mode 100644
index 0000000..ee1cd34
--- /dev/null
+++ b/tests/responses.test.ts
@@ -0,0 +1,24 @@
+import { createResponseHeaders } from '@perplexity-ai/perplexity_ai/internal/headers';
+
+describe('response parsing', () => {
+  // TODO: test unicode characters
+  test('headers are case agnostic', async () => {
+    const headers = createResponseHeaders(new Headers({ 'Content-Type': 'foo', Accept: 'text/plain' }));
+    expect(headers['content-type']).toEqual('foo');
+    expect(headers['Content-type']).toEqual('foo');
+    expect(headers['Content-Type']).toEqual('foo');
+    expect(headers['accept']).toEqual('text/plain');
+    expect(headers['Accept']).toEqual('text/plain');
+    expect(headers['Hello-World']).toBeUndefined();
+  });
+
+  test('duplicate headers are concatenated', () => {
+    const headers = createResponseHeaders(
+      new Headers([
+        ['Content-Type', 'text/xml'],
+        ['Content-Type', 'application/json'],
+      ]),
+    );
+    expect(headers['content-type']).toBe('text/xml, application/json');
+  });
+});