Koskamo

Gulliver MCP

Gulliver is an MCP server and CLI that provides AI agents with a dress rehearsal for SQL execution. It features cost preflight checks, scale linting with auto-fix, and rehearsal on small data samples (1% to 10%) to predict full run outcomes. It supports DuckDB, Postgres, BigQuery, and Snowflake, ensuring agents run queries only within budget and avoid expensive mistakes like runaway loops or inefficient joins.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Gulliver MCP logo, by laaielichterCommunity listingLocal stdioSource reviewed; not executedPublished by laaielichter
You need:pip install gulliver-mcp
Vendor documentation

What you can do with it

  • Perform cost preflight checks before executing SQL queries
  • Rehearse queries on 1% sample data to predict full result size
  • Detect schema drift and column-level lineage impacts
  • Run data quality checks for unique keys, nulls, and freshness

Source and maintenance

Community listingRegistry 0.3.0
mcp-registry: io.github.laaielichter/gulliver@0.3.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

gulliver-mcp 0.3.0

npm
gulliver-mcp package definition
{
  "version": "0.3.0",
  "transport": "stdio",
  "identifier": "gulliver-mcp",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "gulliver-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "gulliver-mcp@0.3.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "gulliver-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "gulliver-mcp@0.3.0"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "gulliver-mcp-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "gulliver-mcp@0.3.0"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "gulliver-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "gulliver-mcp@0.3.0"
      ]
    }
  }
}

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