Lomberk

Local install

io.github.ege-usta/lomberkv0.2.0 GitHub verified

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

Data & Databases

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Registry entry

Open in the registry

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-11T18:39:12.365266Z",
      "publishedAt": "2026-11-11T18:39:12.365266Z",
      "statusChangedAt": "2026-11-11T18:39:12.365266Z"
    }
  },
  "server": {
    "name": "io.github.ege-usta/lomberk",
    "title": "Lomberk",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.2.0",
    "packages": [
      {
        "version": "0.2.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "lomberk",
        "registryType": "pypi",
        "packageArguments": [
          {
            "type": "positional",
            "value": "serve"
          }
        ],
        "environmentVariables": [
          {
            "name": "LOMBERK_CONFIG",
            "isRequired": true,
            "description": "Absolute path to the lomberk.yaml that `lomberk setup` wrote. The connection strings and keys are read from the .env beside it."
          },
          {
            "name": "LOMBERK_AGENT_DSN",
            "isSecret": true,
            "description": "Connection string for the low-privilege role the agent's SQL runs as. Only needed when the .env beside lomberk.yaml doesn't set it."
          },
          {
            "name": "LOMBERK_ADMIN_DSN",
            "isSecret": true,
            "description": "Connection 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."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/ege-usta/lomberk",
      "source": "github"
    },
    "websiteUrl": "https://ege-usta.github.io/lomberk/",
    "description": "Postgres gateway for AI agents: blocks destructive SQL, holds risky writes, undoes applied ones."
  }
}

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Try it

This server only runs locally, from a package. Install it with the instructions on this page to try it.

Install

Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.

One click: Add to Cursor Add to VS Code Add to LM StudioThen replace the YOUR_ values and {placeholders} with your own.

Run in a terminal

claude mcp add lomberk \
  -e LOMBERK_CONFIG=YOUR_LOMBERK_CONFIG \
  -- uvx lomberk==0.2.0

Environment

LOMBERK_CONFIG (required): Absolute path to the lomberk.yaml that `lomberk setup` wrote. The connection strings and keys are read from the .env beside it.
LOMBERK_AGENT_DSN (optional, not in the config above): Connection 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_DSN (optional, not in the config above): Connection 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.

Tools

We don't run packages, so we can't list this server's tools.