AI Plugin Index
MCP Js
Verified · dev.npm:@lovableMCP server by lovablelabs · updated · 232k downloads a week
Author MCP servers for Lovable apps. Declare tools with defineTool, register them in defineMcp, and a framework adapter (TanStack or Supabase Edge Functions) emits the route(s) at build time. MCP Js is published by dev.npm:@lovable from its verified domain in the official MCP Registry.
No licence found, so reuse rights are unclear
Clear description, published package or server URL, original repository
Not checked yet. What we check
Install MCP Js
Built from the published package, never by AIclaude mcp add mcp-js -- npx -y @lovable.dev/mcp-jsRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"mcp-js": {
"command": "npx",
"args": [
"-y",
"@lovable.dev/mcp-js"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"mcp-js": {
"command": "npx",
"args": [
"-y",
"@lovable.dev/mcp-js"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"mcp-js": {
"command": "npx",
"args": [
"-y",
"@lovable.dev/mcp-js"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add mcp-js -- npx -y @lovable.dev/mcp-js{
"mcpServers": {
"mcp-js": {
"command": "npx",
"args": [
"-y",
"@lovable.dev/mcp-js"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add mcp-js npx -y @lovable.dev/mcp-jsGemini 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-js block.
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MCP Js: common questions
How do I install MCP Js?
In Claude Code run claude mcp add mcp-js -- npx -y @lovable.dev/mcp-js. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is MCP Js the official server?
MCP Js is published by dev.npm:@lovable from its verified domain in the official MCP Registry.
Is MCP Js free?
The code is public, but no licence file was found, so check the repository before commercial use.
Is MCP Js safe to use?
It scores 83 of 100. Grades: licence F, quality C. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to MCP Js?
Similar MCP servers: Supabase, Ruvector, MCP Toolbox for Databases, MCP Fetch.
Does MCP Js 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.