Add better descriptions

catalog/anthropics/agent-sdk-dev.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:agent-sdk-dev",
   "displayName": "Agent Sdk Dev",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/plugins/agent-sdk-dev",
   "description": "Claude Agent SDK Development Plugin",
   "metadata": {

catalog/anthropics/ai-governance-legal.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-for-legal:ai-governance-legal",
   "displayName": "Ai Governance Legal",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-for-legal/blob/main/ai-governance-legal",
   "description": "Triages proposed AI use cases against your registry, runs impact assessments across the regimes in scope, reviews vendor AI terms for...",
   "metadata": {

catalog/anthropics/apollo.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:knowledge-work-plugins:apollo",
   "displayName": "Apollo",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/knowledge-work-plugins/blob/main/partner-built/apollo",
   "description": "3 pre-built skills that chain multiple Apollo APIs into complete sales workflows - no manual steps, no tab switching. Enrich any contact from a name...",
   "metadata": {

catalog/anthropics/asana.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:asana",
   "displayName": "Asana",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/external_plugins/asana",
   "description": "Asana project management integration. Create and manage tasks, search projects, update assignments, track progress, and integrate your development...",
   "metadata": {

catalog/anthropics/bio-research.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:knowledge-work-plugins:bio-research",
   "displayName": "Bio Research",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/knowledge-work-plugins/blob/main/bio-research",
   "description": "Connect to preclinical research tools and databases (literature search, genomics analysis, target prioritization) to accelerate early-stage life...",
   "metadata": {

catalog/anthropics/brand-voice.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:knowledge-work-plugins:brand-voice",
   "displayName": "Brand Voice",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/knowledge-work-plugins/blob/main/partner-built/brand-voice",
   "description": "Brand Voice transforms scattered brand materials into enforceable AI guardrails - automatically. It searches across Notion, Google Drive, Confluence...",
   "metadata": {

catalog/anthropics/claude-code-setup.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:claude-code-setup",
   "displayName": "Claude Code Setup",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/plugins/claude-code-setup",
   "description": "Analyze codebases and recommend tailored Claude Code automations such as hooks, skills, MCP servers, and subagents.",
   "metadata": {

catalog/anthropics/claude-for-msft-365-install.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:financial-services-plugins:claude-for-msft-365-install",
   "displayName": "Claude For Msft 365 Install",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/financial-services-plugins/blob/main/claude-for-msft-365-install",
   "description": "Provision direct cloud access (Vertex AI, Bedrock, or LLM gateway) for the Claude Office add-in. Generates the customized add-in manifest, walks...",
   "metadata": {

catalog/anthropics/claude-md-management.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:claude-md-management",
   "displayName": "Claude Md Management",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/plugins/claude-md-management",
   "description": "Tools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.",
   "metadata": {

catalog/anthropics/claude-opus-4-5-migration.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-code:claude-opus-4-5-migration",
   "displayName": "Claude Opus 4 5 Migration",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-code/blob/main/plugins/claude-opus-4-5-migration",
   "description": "Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.",
   "metadata": {

catalog/anthropics/cocounsel-legal.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-for-legal:cocounsel-legal",
   "displayName": "Cocounsel Legal",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-for-legal/blob/main/external_plugins/cocounsel-legal",
   "description": "CoCounsel Legal delivers comprehensive Westlaw Deep Research reports with inline, linked citations to Westlaw and Practical Law sources.",
   "metadata": {

catalog/anthropics/code-modernization.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:code-modernization",
   "displayName": "Code Modernization",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/plugins/code-modernization",
   "description": "Modernize legacy codebases (COBOL, legacy Java/C++/.NET, monolith web apps) with a structured preflight / assess / map / extract-rules / brief /...",
   "metadata": {

catalog/anthropics/code-review.json

@@ -1,7 +1,7 @@
 {
   "identifier": "urn:ai:github.com:anthropics:claude-plugins-public:code-review",
   "displayName": "Code Review",
-  "mediaType": "application/vnd.anthropic.claude-plugin+json",
+  "mediaType": "application/ai-catalog+json",
   "url": "https://github.com/anthropics/claude-plugins-public/blob/main/plugins/code-review",
   "description": "Automated code review for pull requests using multiple specialized agents with confidence-based scoring",
   "metadata": {