plain text docs, fix redirects and add logfire

docs-site/package.json

@@ -1,19 +1,21 @@
 {
-  "name": "my-static-site",
-  "version": "0.0.0",
-  "private": true,
-  "scripts": {
-    "typecheck": "tsc --noEmit",
-    "typegen": "wrangler types worker-configuration.d.ts",
-    "deploy": "wrangler deploy",
-    "dev": "wrangler dev"
-  },
-  "dependencies": {
-    "@cloudflare/workers-types": "^4.20250129.0",
-    "cookie": ">=0.7.0",
-    "esbuild": ">=0.25.0",
-    "marked": "^15.0.8",
-    "typescript": "^5.7.3",
-    "wrangler": "^3.106.0"
-  }
+	"name": "my-static-site",
+	"version": "0.0.0",
+	"private": true,
+	"scripts": {
+		"typecheck": "tsgo --noEmit",
+		"typegen": "wrangler types --strict-vars false --include-runtime false",
+		"deploy": "wrangler deploy",
+		"dev": "wrangler dev"
+	},
+	"dependencies": {
+		"@pydantic/logfire-api": "^0.8.2",
+		"@pydantic/logfire-cf-workers": "^0.8.2",
+		"marked": "^15.0.8"
+	},
+	"devDependencies": {
+		"@cloudflare/workers-types": "^4.20251004.0",
+		"@typescript/native-preview": "^7.0.0-dev.20251006.1",
+		"wrangler": "^4.42.0"
+	}
 }

docs-site/src/index.ts

@@ -1,18 +1,27 @@
- import { marked } from 'marked'
+import { instrument } from '@pydantic/logfire-cf-workers'
+import { marked } from 'marked'
 
-export default {
+const handler = {
   async fetch(request, env): Promise<Response> {
     const url = new URL(request.url)
     if (url.pathname === '/changelog.html') {
       const changelog = await getChangelog(env.KV, env.GIT_COMMIT_SHA)
       return new Response(changelog, { headers: {'content-type': 'text/html'} })
     }
+    const maybeTextResponse = await maybeGetTextResponse(request, env)
+    if (maybeTextResponse) {
+      return maybeTextResponse
+    }
     const r = await env.ASSETS.fetch(request)
-    if (r.status == 404) {
+    if (r.status === 404) {
       const redirectPath = redirect(url.pathname)
       if (redirectPath) {
-        url.pathname = redirectPath
-        return Response.redirect(url.toString(), 301)
+        if (redirectPath.startsWith('http')) {
+          return Response.redirect(redirectPath, 301)
+        } else {
+          url.pathname = redirectPath
+          return Response.redirect(url.toString(), 301)
+        }
       }
       url.pathname = '/404.html'
       const r = await env.ASSETS.fetch(url)
@@ -22,14 +31,34 @@ export default {
   },
 } satisfies ExportedHandler<Env>
 
+export default instrument(handler, {
+	service: {
+		name: 'pai-docs',
+	},
+	baseUrl: 'https://api.logfire.dev',
+})
+
 const redirect_lookup: Record<string, string> = {
   '/common_tools': '/common-tools/',
   '/testing-evals': '/testing/',
   '/result': '/output/',
+  '/mcp/run-python': 'https://github.com/pydantic/mcp-run-python',
+  '/temporal': '/durable_execution/temporal/',
+  '/api': '/api/agent/',
+  '/examples/question-graph': '/graph/',
+  '/api/models/vertexai': '/models/google/',
+  '/models/gemini': '/models/google/',
+  '/api/models/gemini': '/api/models/google/',
+  '/contributing': '/contributing/',
+  '/api/format_as_xml': '/api/format_prompt/',
+  '/api/models/ollama': '/models/openai/#ollama',
+  '/examples': 'examples/setup/',
+  '/mcp': '/mcp/overview/',
+  '/models': '/models/overview/',
 }
 
 function redirect(pathname: string): string | null {
-  return redirect_lookup[pathname.replace(/\/+$/, '')] ?? null
+  return redirect_lookup[pathname.replace(/[/:]+$/, '')] ?? null
 }
 
 async function getChangelog(kv: KVNamespace, commitSha: string): Promise<string> {
@@ -44,8 +73,8 @@ async function getChangelog(kv: KVNamespace, commitSha: string): Promise<string>
   }
   let url: string | undefined = 'https://api.github.com/repos/pydantic/pydantic-ai/releases'
   const releases: Release[] = []
-  while (typeof url == 'string') {
-    const response = await fetch(url, { headers })
+  while (typeof url === 'string') {
+    const response: Response = await fetch(url, { headers })
     if (!response.ok) {
       const text = await response.text()
       throw new Error(`Failed to fetch changelog: ${response.status} ${response.statusText} ${text}`)
@@ -77,7 +106,7 @@ function prepRelease(release: Release): string {
   const body = release.body
     .replace(/(#+)/g, (m) => `##${m}`)
     .replace(/https:\/\/github.com\/pydantic\/pydantic-ai\/pull\/(\d+)/g, (url, id) => `[#${id}](${url})`)
-    .replace(/(\s)@([\w\-]+)/g, (_, s, u) => `${s}[@${u}](https://github.com/${u})`)
+    .replace(/(\s)@([\w-]+)/g, (_, s, u) => `${s}[@${u}](https://github.com/${u})`)
     .replace(/\*\*Full Changelog\*\*: (\S+)/, (_, url) => `[${githubIcon} Compare diff](${url}).`)
   return `
 ### ${release.name}
@@ -87,3 +116,38 @@ ${body}
 [${githubIcon} View ${release.tag_name} release](${release.html_url}).
 `
 }
+
+/** Logic to return text (the markdown document where available) when the Accept header prefers plain text over html
+ * See https://x.com/threepointone/status/1971988718052651300
+ */
+async function maybeGetTextResponse(request: Request, env: Env): Promise<Response | undefined> {
+  if (!preferText(request)) {
+    return
+  }
+  const url = new URL(request.url)
+  url.pathname = `${url.pathname.replace(/[/:]+$/, '')}/index.md`
+  const r = await env.ASSETS.fetch(url)
+  if (r.status === 200) {
+    return new Response(r.body, {
+      headers: {
+        'content-type': 'text/plain',
+      },
+    })
+  }
+}
+
+function preferText(request: Request): boolean {
+  const accept = request.headers.get('accept')
+  if (!accept || request.method !== 'GET') {
+    return false
+  }
+  for (const option of accept.split(',')) {
+    const lowerOption = option.toLowerCase()
+    if (lowerOption.includes('html')) {
+      return false
+    } else if (lowerOption.includes('text/plain')) {
+      return true
+    }
+  }
+  return false
+}

docs-site/tsconfig.json

@@ -11,8 +11,9 @@
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true,
     "noUncheckedSideEffectImports": true,
+    "skipLibCheck": true,
 
-    "types": ["@cloudflare/workers-types"]
+    "types": ["@cloudflare/workers-types", "./worker-configuration.d.ts"]
   },
-  "include": ["src", "worker-configuration.d.ts"]
+  "include": ["src"]
 }

docs-site/worker-configuration.d.ts

@@ -1,8 +1,16 @@
-// Generated by Wrangler by running `wrangler types worker-configuration.d.ts`
-
-interface Env {
-	KV: KVNamespace;
-	GIT_COMMIT_SHA: string;
-	GIT_BRANCH: string;
-	ASSETS: Fetcher;
+/* eslint-disable */
+// Generated by Wrangler by running `wrangler types --strict-vars false --include-runtime false` (hash: 09d2a4367f7a2ea42a9ecda5118790a2)
+declare namespace Cloudflare {
+	interface GlobalProps {
+		mainModule: typeof import("./src/index");
+	}
+	interface Env {
+		KV: KVNamespace;
+		GIT_COMMIT_SHA: string;
+		GIT_BRANCH: string;
+		LOGFIRE_TOKEN: string;
+		LOGFIRE_ENVIRONMENT: string;
+		ASSETS: Fetcher;
+	}
 }
+interface Env extends Cloudflare.Env {}

docs-site/wrangler.toml

@@ -1,9 +1,13 @@
 #:schema node_modules/wrangler/config-schema.json
 name = "pydantic-ai"
-compatibility_date = "2025-01-24"
+compatibility_date = "2025-06-17"
 routes = ["ai.pydantic.dev/*"]
 main = "src/index.ts"
 workers_dev = false
+compatibility_flags = [ "nodejs_compat_v2" ]
+
+[vars]
+LOGFIRE_ENVIRONMENT = "prod"
 
 [assets]
 directory = "../site"

docs/index.md

@@ -1,4 +1,4 @@
-# Introduction {.hide}
+# Pydantic AI {.hide}
 
 --8<-- "docs/.partials/index-header.html"
 

mkdocs.yml

@@ -10,7 +10,7 @@ edit_uri: edit/main/docs/
 copyright: © Pydantic Services Inc. 2024 to present
 
 nav:
-  - Introduction: index.md
+  - index.md
   - install.md
   - help.md
   - troubleshooting.md
@@ -286,34 +286,51 @@ plugins:
         Pydantic AI is a Python agent framework designed to make it less painful to build production grade
         applications with Generative AI.
       sections:
+        Introduction:
+          - index.md
+          - install.md
+          - help.md
+          - troubleshooting.md
+          - changelog.md
         Concepts documentation:
+          - a2a.md
+          - ag-ui.md
           - agents.md
+          - builtin-tools.md
           - dependencies.md
+          - deferred-tools.md
+          - direct.md
+          - input.md
           - tools.md
           - common-tools.md
-          - results.md
+          - output.md
+          - retries.md
           - message-history.md
           - multi-agent-applications.md
+          - thinking.md
+          - third-party-tools.md
+          - tools-advanced.md
+          - toolsets.md
         Models:
           - models/*.md
         Graphs:
           - graph.md
         API Reference:
-          - api/*.md
+          - api/*/*.md
         Evals:
           - evals.md
+        Durable Execution:
+          - durable_execution/*.md
         MCP:
           - mcp/*.md
         Optional:
           - testing.md
           - cli.md
           - logfire.md
+          - contributing.md
           - examples/*.md
-  - redirects:
-      redirect_maps:
-        "examples/index.md": "examples/setup.md"
-        "mcp/index.md": "mcp/overview.md"
-        "models/index.md": "models/overview.md"
+
+# DON'T PUT REDIRECTS IN THIS FILE! Instead add them to docs-site/src/index.ts
 
 hooks:
   - "docs/.hooks/main.py"