AI Plugin IndexMCP App Extension
Verified · npm:@stackable-labsMCP server by GitHub Actions · updated · 2.1k downloads a week
MCP server for AI-assisted Stackable extension development. MCP App Extension is published by npm:@stackable-labs from its verified domain in the official MCP Registry.
SEE LICENSE IN LICENSE: check the terms
Published package or server URL, original repository
Not checked yet. What we check
Install MCP App Extension
Built from the published package, never by AIclaude mcp add mcp-app-extension -- npx -y @stackable-labs/mcp-app-extensionRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"mcp-app-extension": {
"command": "npx",
"args": [
"-y",
"@stackable-labs/mcp-app-extension"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"mcp-app-extension": {
"command": "npx",
"args": [
"-y",
"@stackable-labs/mcp-app-extension"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"mcp-app-extension": {
"command": "npx",
"args": [
"-y",
"@stackable-labs/mcp-app-extension"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add mcp-app-extension -- npx -y @stackable-labs/mcp-app-extension{
"mcpServers": {
"mcp-app-extension": {
"command": "npx",
"args": [
"-y",
"@stackable-labs/mcp-app-extension"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add mcp-app-extension npx -y @stackable-labs/mcp-app-extensionGemini 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 mcp-app-extension block.
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MCP App Extension: common questions
How do I install MCP App Extension?
In Claude Code run claude mcp add mcp-app-extension -- npx -y @stackable-labs/mcp-app-extension. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is MCP App Extension the official server?
MCP App Extension is published by npm:@stackable-labs from its verified domain in the official MCP Registry.
Is MCP App Extension free?
The code is published under the SEE LICENSE IN LICENSE licence. The service it connects to may have its own pricing.
Is MCP App Extension safe to use?
It scores 76 of 100. Grades: licence B, quality D. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to MCP App Extension?
Similar MCP servers: Harness, MCP Registry Server, ref-tools-ref-tools-mcp, Microsoft Learn MCP.
Does MCP App Extension 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.