AI Plugin Index
Catalog MCP
Verified · npm:@a2uiMCP server by a2ui-project · updated · ★ 17k
(experimental) A2UI MCP catalog: calls MCP tools and applies the A2UI messages found in their results and UI resources. Catalog MCP is published by npm:@a2ui from its verified domain in the official MCP Registry.
Last commit in the past day
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, 16,778 stars, original repository
No risky patterns in the files we checked
Install Catalog MCP
Built from the published package, never by AIclaude mcp add catalog-mcp -- npx -y @a2ui/catalog-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"catalog-mcp": {
"command": "npx",
"args": [
"-y",
"@a2ui/catalog-mcp"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"catalog-mcp": {
"command": "npx",
"args": [
"-y",
"@a2ui/catalog-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"catalog-mcp": {
"command": "npx",
"args": [
"-y",
"@a2ui/catalog-mcp"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add catalog-mcp -- npx -y @a2ui/catalog-mcp{
"mcpServers": {
"catalog-mcp": {
"command": "npx",
"args": [
"-y",
"@a2ui/catalog-mcp"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add catalog-mcp npx -y @a2ui/catalog-mcpGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the catalog-mcp block.
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Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work
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Catalog MCP: common questions
How do I install Catalog MCP?
In Claude Code run claude mcp add catalog-mcp -- npx -y @a2ui/catalog-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Catalog MCP the official server?
Catalog MCP is published by npm:@a2ui from its verified domain in the official MCP Registry.
Is Catalog MCP free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is Catalog MCP safe to use?
It scores 94 of 100. Grades: maintenance A, licence A, quality A. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to Catalog MCP?
Similar MCP servers: Vexa, TradingMCP, Agent-Native Brain, Agent-Native Chat.
Does Catalog MCP work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.