feat: AI skills indexes (#718)

Signed-off-by: David Dal Busco <david.dalbusco@outlook.com>

Author: peterpeterparker

.github/workflows/update-ai.yml

@@ -0,0 +1,39 @@
+name: Update AI indexes
+
+on:
+  schedule:
+    - cron: "30 8 1 * *"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update-subnets:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Prepare
+        uses: ./.github/actions/prepare
+
+      - name: Update
+        run: npm run docs:ai
+
+      - name: Check for Changes
+        run: |
+          if ! git diff --quiet; then
+            echo "CHANGES_DETECTED=true" >> $GITHUB_ENV
+          fi
+
+      # This action creates a PR only if there are changes.
+      - name: Create Pull Request
+        if: env.CHANGES_DETECTED == 'true'
+        uses: ./.github/actions/create-pr
+        with:
+          branch: bot-cli-docs-update
+          title: "docs: Update AI indexes"
+          body: |
+            Modifications have been made to the AI skills.

package.json

@@ -16,6 +16,7 @@
     "dev": "npm run start",
     "start": "docusaurus start",
     "build": "docusaurus build",
+    "docs:ai": "./scripts/ai.mjs && npm run format",
     "docs:cli": "scripts/cli-to-md.sh",
     "docs:subnets": "./scripts/subnets.mjs && npm run format",
     "swizzle": "docusaurus swizzle",

scripts/ai.mjs

@@ -0,0 +1,63 @@
+#!/usr/bin/env node
+
+import { mkdir, writeFile } from "node:fs/promises";
+import { join } from "node:path";
+
+// Generate /.well-known/agent-skills/index.json for AI discovery as defined by Cloudflare
+// @see https://github.com/cloudflare/agent-skills-discovery-rfc
+// @see https://isitagentready.com/.well-known/agent-skills/agent-skills/SKILL.md
+// test: https://isitagentready.com/juno.build
+
+const TEMPLATE_SKILL_WITHOUT_DIGEST = {
+  name: "juno",
+  type: "skill-md",
+  description:
+    "Up-to-date knowledge about Juno's CLI, SDK, and serverless functions for AI coding agents.",
+  url: "https://raw.githubusercontent.com/junobuild/skills/main/SKILL.md"
+};
+
+const TEMPLATE = {
+  $schema: "https://schemas.agentskills.io/discovery/0.2.0/schema.json",
+  skills: []
+};
+
+const OUTPUT_DIR = join("static", ".well-known", "agent-skills");
+const OUTPUT_FILE_PATH = join(OUTPUT_DIR, "index.json");
+
+await mkdir(OUTPUT_DIR, { recursive: true });
+
+const computeSkillSha256 = async () => {
+  const response = await fetch(
+    "https://raw.githubusercontent.com/junobuild/skills/main/SKILL.md"
+  );
+
+  if (!response.ok) {
+    throw new Error("Fetching the current SKILL.md failed!");
+  }
+
+  const md = await response.text();
+
+  const encoder = new TextEncoder();
+  const hash = await crypto.subtle.digest("SHA-256", encoder.encode(md));
+
+  const sha256ToHex = (hashBuffer) => {
+    const hashArray = Array.from(new Uint8Array(hashBuffer));
+    return hashArray.map((b) => b.toString(16).padStart(2, "0")).join("");
+  };
+
+  return sha256ToHex(hash);
+};
+
+const sha256 = await computeSkillSha256();
+
+const skill = {
+  ...TEMPLATE_SKILL_WITHOUT_DIGEST,
+  digest: `sha256:${sha256}`
+};
+
+const json = {
+  ...TEMPLATE,
+  skills: [skill]
+};
+
+await writeFile(OUTPUT_FILE_PATH, JSON.stringify(json, null, 2), "utf8");

static/.well-known/agent-skills/index.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://schemas.agentskills.io/discovery/0.2.0/schema.json",
+  "skills": [
+    {
+      "name": "juno",
+      "type": "skill-md",
+      "description": "Up-to-date knowledge about Juno's CLI, SDK, and serverless functions for AI coding agents.",
+      "url": "https://raw.githubusercontent.com/junobuild/skills/main/SKILL.md",
+      "digest": "sha256:18b7fec3e46664b67bdf5bd66f4f36fd9fca138a8749ddc2638f61fed4c23483"
+    }
+  ]
+}