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mcp/harbor
Cline

Midplane for Cline

ai.midplane/midplane

Safe-by-default SQL guardrails for AI agents: AST-checked queries, per-table policy, audit log.

client:Cline transport:stdio runtime:npm

Install Midplane in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "midplane": {
      "command": "npx",
      "args": [
        "-y",
        "midplane"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MIDPLANE_POLICY_FILE": "<MIDPLANE_POLICY_FILE>",
        "DB_PATH": "<DB_PATH>",
        "MIDPLANE_TELEMETRY": "<MIDPLANE_TELEMETRY>"
      }
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

Midplane in other clients

Midplane MCP server