Implement llms-full.txt (#5004)

* Implement llms-full

* Add fields to package.json

* Fix build

Author: colinhacks

packages/docs/app/llms-full.txt/route.ts

@@ -0,0 +1,44 @@
+import * as fs from "node:fs/promises";
+import { join } from "node:path";
+import { getLLMText } from "@/loaders/get-llm-text";
+import { source } from "@/loaders/source";
+
+export const revalidate = false;
+
+export async function GET() {
+  const pages = source.getPages();
+
+  // Read meta.json to get the page order
+  const metaPath = join(process.cwd(), "content", "meta.json");
+  const meta = JSON.parse(await fs.readFile(metaPath, "utf-8"));
+
+  // Create a map of page URLs to their order in meta.json
+  const pageOrder = new Map<string, number>();
+  meta.pages.forEach((page: string, index: number) => {
+    pageOrder.set(page, index);
+  });
+
+  // Sort pages according to meta.json order
+  const sortedPages = pages.sort((a, b) => {
+    const aOrder = pageOrder.get(a.url) ?? Number.MAX_SAFE_INTEGER;
+    const bOrder = pageOrder.get(b.url) ?? Number.MAX_SAFE_INTEGER;
+    return aOrder - bOrder;
+  });
+
+  // Generate content
+  let txt = `# Zod
+
+Zod is a TypeScript-first schema validation library with static type inference. This documentation provides comprehensive coverage of Zod 4's features, API, and usage patterns.
+
+`;
+
+  // Process each page
+  for (const page of sortedPages) {
+    txt += await getLLMText(page);
+    txt += "\n\n";
+  }
+
+  return new Response(txt, {
+    headers: { "Content-Type": "text/plain; charset=utf-8" },
+  });
+}

packages/docs/content/v4/index.mdx

@@ -1,5 +1,5 @@
 ---
-title: Introducing Zod 4
+title: Release notes
 description: "Zod 4 release notes and new features including performance improvements and breaking changes"
 ---
 

packages/docs/loaders/get-llm-text.ts

@@ -0,0 +1,26 @@
+import * as fs from "node:fs/promises";
+import type { source } from "@/loaders/source";
+import type { InferPageType } from "fumadocs-core/source";
+import { remarkInclude } from "fumadocs-mdx/config";
+import matter from "gray-matter";
+import { remark } from "remark";
+import remarkGfm from "remark-gfm";
+import remarkMdx from "remark-mdx";
+import remarkStringify from "remark-stringify";
+
+const processor = remark().use(remarkMdx).use(remarkInclude).use(remarkGfm).use(remarkStringify);
+
+export async function getLLMText(page: InferPageType<typeof source>): Promise<string> {
+  const filePath = page.data._file.absolutePath;
+  const fileContent = await fs.readFile(filePath);
+  const { content, data } = matter(fileContent.toString());
+
+  const processed = await processor.process({
+    path: filePath,
+    value: content,
+  });
+
+  return `# ${page.data.title}
+
+${processed}`;
+}

packages/docs/package.json

@@ -16,10 +16,15 @@
     "fumadocs-core": "15.1.0",
     "fumadocs-mdx": "11.5.6",
     "fumadocs-ui": "15.1.0",
+    "gray-matter": "^4.0.3",
     "lucide-react": "^0.483.0",
     "next": "15.2.2",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "remark": "^15.0.1",
+    "remark-gfm": "^4.0.1",
+    "remark-mdx": "^3.1.0",
+    "remark-stringify": "^11.0.0"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.0.14",

packages/zod/package.json

@@ -2,8 +2,15 @@
   "name": "zod",
   "version": "4.0.11",
   "type": "module",
+  "license": "MIT",
   "author": "Colin McDonnell <zod@colinhacks.com>",
   "description": "TypeScript-first schema declaration and validation library with static type inference",
+  "homepage": "https://zod.dev",
+  "llms": "https://zod.dev/llms.txt",
+  "llmsFull": "https://zod.dev/llms-full.txt",
+  "mcpServer": "https://mcp.inkeep.com/zod/mcp",
+  "funding": "https://github.com/sponsors/colinhacks",
+  "sideEffects": false,
   "files": [
     "src",
     "**/*.js",
@@ -13,19 +20,13 @@
     "**/*.d.mts",
     "**/*.d.cts"
   ],
-  "funding": "https://github.com/sponsors/colinhacks",
-  "homepage": "https://zod.dev",
-  "llms": "https://zod.dev/llms.txt",
-  "mcp": "https://mcp.inkeep.com/zod/mcp",
   "keywords": [
     "typescript",
     "schema",
     "validation",
     "type",
     "inference"
   ],
-  "license": "MIT",
-  "sideEffects": false,
   "main": "./index.cjs",
   "types": "./index.d.cts",
   "module": "./index.js",