flox-mcp vs Serena

A side-by-side comparison of two Developer Tools servers — tools, transport, auth, maintenance, and copy-paste config for each.

	flox-mcp Grounded access to the FLOX trading framework surface for AI coding agents. Unverified stdio (local) No auth Python	Serena LSP-powered coding agent toolkit: semantic symbol search, references and structural edits. Verified stdio (local) No auth Python
Category	Developer Tools	Developer Tools
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	215	12k
Last commit	8 days ago	15 days ago
Verified
Actively maintained
Install	`pip install flox-mcp`	`uvx --from git+https://github.com/oraios/serena serena start-mcp-server`
Repo	Open	Open

Verdict

Pick flox-mcp if you want the official, vendor-maintained server.

Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Add flox-mcp

Install / run

pip install flox-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "flox-mcp": {
      "command": "flox-mcp",
      "args": [
        "serve"
      ],
      "env": {
        "FLOX_RUNTIME_STATE": "$HOME/.flox/runtime.json"
      }
    }
  }
}

Add Serena

Install / run

uvx --from git+https://github.com/oraios/serena serena start-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "serena": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/oraios/serena",
        "serena",
        "start-mcp-server"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

flox-mcp or Serena — which is better?

Pick flox-mcp if you want the official, vendor-maintained server. Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both flox-mcp and Serena?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do flox-mcp and Serena work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View flox-mcp →View Serena →More comparisons →