Lomberk

io.github.ege-usta/lomberk

Postgres gateway for AI agents: blocks destructive SQL, holds risky writes, undoes applied ones.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "lomberk": {
      "command": "uvx",
      "args": [
        "lomberk"
      ],
      "env": {
        "LOMBERK_CONFIG": "<your LOMBERK_CONFIG>",
        "LOMBERK_AGENT_DSN": "<your LOMBERK_AGENT_DSN>",
        "LOMBERK_ADMIN_DSN": "<your LOMBERK_ADMIN_DSN>"
      }
    }
  }
}
Environment variables
  • LOMBERK_CONFIGrequiredAbsolute path to the lomberk.yaml that `lomberk setup` wrote. The connection strings and keys are read from the .env beside it.
  • LOMBERK_AGENT_DSNsecretConnection string for the low-privilege role the agent's SQL runs as. Only needed when the .env beside lomberk.yaml doesn't set it.
  • LOMBERK_ADMIN_DSNsecretConnection string for the control role that owns the lomberk schema (checkpoints, undo, ledger). Only needed when the .env beside lomberk.yaml doesn't set it.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Databases
Version
0.2.0
Registry
active
Published
11/11/2026

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