How to install Jason MCP Nextjs in Antigravity CLI

1. 1

   Open the MCP config

   Create or open ~/.gemini/config/mcp_config.json for every project, or .agents/mcp_config.json for this project only.

2. 2

   Add the server

   Paste this. If the file already has servers, add the "jason-mcp-nextjs" entry inside the existing mcpServers block.

   {
     "mcpServers": {
       "jason-mcp-nextjs": {
         "command": "npx",
         "args": [
           "-y",
           "jason-mcp-nextjs"
         ]
       }
     }
   }

   Copy
3. 3

   Start Antigravity CLI

   Run agy. The server and its tools load when the session starts.

Config file: ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project)

MCP servers run with your permissions. If Jason MCP Nextjs needs an API key, add it under env in the config. Check its README.

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