FastMCP

claude mcp add fastmcp -- npx fastmcp dev src/examples/addition.ts

~/.codex/config.toml

[mcp_servers.fastmcp]
command = "npx"
args = ["fastmcp", "dev", "src/examples/addition.ts"]

# codex mcp add fastmcp -- npx fastmcp dev src/examples/addition.ts

~/.cursor/mcp.json

{
  "mcpServers": {
    "fastmcp": {
      "command": "npx",
      "args": [
        "fastmcp",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "fastmcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "fastmcp",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "fastmcp": {
      "command": "npx",
      "args": [
        "fastmcp",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "fastmcp": {
      "command": "npx",
      "args": [
        "fastmcp",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "fastmcp": {
      "command": "npx",
      "args": [
        "fastmcp",
        "dev",
        "src/examples/addition.ts"
      ]
    }
  }
}