Add (detailed) prompt to docs-vectorize server

This adds the prompt from https://developers.cloudflare.com/workers/prompt.txt and lays the groundwork for any extra prompts we want to add

Author: mhart

apps/docs-vectorize/src/docs-vectorize.app.ts

@@ -4,6 +4,7 @@ import { createApiHandler } from '@repo/mcp-common/src/api-handler'
 import { getEnv } from '@repo/mcp-common/src/env'
 import { CloudflareMCPServer } from '@repo/mcp-common/src/server'
 
+import { registerPrompts } from './prompts/docs-vectorize.prompts'
 import { registerDocsTools } from './tools/docs-vectorize.tools'
 
 import type { Env } from './docs-vectorize.context'
@@ -33,6 +34,7 @@ export class CloudflareDocumentationMCP extends McpAgent<Env, State, Props> {
 
 	async init() {
 		registerDocsTools(this)
+		registerPrompts(this)
 	}
 }
 

apps/docs-vectorize/src/prompts/docs-vectorize.prompts.ts

@@ -0,0 +1,27 @@
+import type { CloudflareDocumentationMCP } from '../docs-vectorize.app'
+
+/**
+ * Registers developer-platform-related prompts with the MCP server
+ * @param agent The MCP server instance
+ */
+export function registerPrompts(agent: CloudflareDocumentationMCP) {
+	agent.server.prompt(
+		'workers-prompt-full',
+		'Detailed prompt for generating Cloudflare Workers code (and other developer platform products) from https://developers.cloudflare.com/workers/prompt.txt',
+		async () => ({
+			messages: [
+				{
+					role: 'user',
+					content: {
+						type: 'text',
+						text: await (
+							await fetch('https://developers.cloudflare.com/workers/prompt.txt', {
+								cf: { cacheEverything: true, cacheTtl: 3600 },
+							})
+						).text(),
+					},
+				},
+			],
+		})
+	)
+}

apps/docs-vectorize/src/tools/docs-vectorize.tools.ts

@@ -10,7 +10,6 @@ const TOP_K = 10
  * @param agent The MCP server instance
  */
 export function registerDocsTools(agent: CloudflareDocumentationMCP) {
-	// Register the worker logs analysis tool by worker name
 	agent.server.tool(
 		'search_cloudflare_documentation',
 		`Search the Cloudflare documentation.