How to install MCP App Extension in Windsurf
To install MCP App Extension in Windsurf, paste the "mcp-app-extension" block into ~/.codeium/windsurf/mcp_config.json and refresh the MCP panel in Cascade.
Built from the published package · server updated 6 days ago
- 1
Open the MCP config
In Windsurf, open Settings, then Cascade, then MCP servers, and choose to view the raw config.
- 2
Add the server
Paste this into mcp_config.json:
{ "mcpServers": { "mcp-app-extension": { "command": "npx", "args": [ "-y", "@stackable-labs/mcp-app-extension" ] } } } - 3
Refresh
Click refresh in the MCP panel. The server and its tools appear in Cascade.
Config file: ~/.codeium/windsurf/mcp_config.json
MCP servers run with your permissions. If MCP App Extension needs an API key, add it under env in the config. Check its README.
Install MCP App Extension in another app
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Questions
Does MCP App Extension work in Windsurf?
Yes. Windsurf supports local and remote mcp servers, and MCP App Extension installs with the steps above.
MCP App Extension does not show up in Windsurf. What now?
Restart Windsurf fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is MCP App Extension safe?
It scores 76 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.