How to install butterbase-oss in Cursor

Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys.

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We found butterbase-oss in the official MCP registry. Our automated check passed on Nov 1, 2026 (it confirms the server is published and reachable), but no one at CuratedMCP has reviewed its code, permissions or credentials handling. Check what it can access before you give it keys. Scan your machine free to see every MCP server you have installed.

Steps

1Install Node.js 18 or newer (for npx)
2Open .cursor/mcp.json in your project (or ~/.cursor/mcp.json for all projects)
3Add the entry below. If the file already has "mcpServers", add just the inner entry
4Check Cursor Settings → MCP and enable the server

Configuration

.cursor/mcp.json

{
  "mcpServers": {
    "butterbase-oss": {
      "command": "npx",
      "args": [
        "-y",
        "@butterbase/mcp"
      ],
      "env": {
        "BUTTERBASE_API_KEY": "<your-butterbase-api-key>"
      }
    }
  }
}

Replace the values in angle brackets. Optional settings are listed below.

Environment variable	Required	What it is
BUTTERBASE_API_KEYsecret	Yes	Butterbase API key (bb_sk_...). Create one at https://butterbase.ai.

Install in other clients

Claude Code Claude Desktop Windsurf Gemini CLI OpenAI Agents SDK

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