Add adlc plugin

Official Base44 plugin — full-stack app development with CLI project management
and JavaScript/TypeScript SDK skills. MIT licensed, skills-only (no MCP server).

Partner escalation from #plugin-partner-escalations.
Already merged on -internal (PR #1466, 2026-04-07).

.claude-plugin/marketplace.json

@@ -7,6 +7,16 @@
     "email": "support@anthropic.com"
   },
   "plugins": [
+    {
+      "name": "adlc",
+      "description": "Agentforce Agent Development Life Cycle — author, discover, scaffold, deploy, test, and optimize .agent files",
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/SalesforceAIResearch/agentforce-adlc.git"
+      },
+      "homepage": "https://github.com/SalesforceAIResearch/agentforce-adlc"
+    },
     {
       "name": "adspirer-ads-agent",
       "description": "Cross-platform ad management for Google Ads, Meta Ads, TikTok Ads, and LinkedIn Ads. 91 tools for keyword research, campaign creation, performance analysis, and budget optimization.",
@@ -169,6 +179,17 @@
       "category": "database",
       "homepage": "https://github.com/AzureCosmosDB/cosmosdb-claude-code-plugin"
     },
+    {
+      "name": "base44",
+      "description": "Build and deploy Base44 full-stack apps with CLI project management and JavaScript/TypeScript SDK development skills",
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/base44/skills.git",
+        "sha": "c7039b37eca0e2916a565a7395040c00055bcf8b"
+      },
+      "homepage": "https://docs.base44.com"
+    },
     {
       "name": "box",
       "description": "Work with your Box content directly from Claude Code — search files, organize folders, collaborate with your team, and use Box AI to answer questions, summarize documents, and extract data without leaving your workflow.",