Koskamo

DataContractGate MCP

An official stdio MCP server that provides tools to infer, validate, deploy, and manage data contracts via the DataContractGate gateway. It supports drafting YAML contracts from samples, validating events in dry-run or live modes, deploying contracts, and checking quarantine status, enabling agents to enforce semantic data contracts at ingestion and egress.

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Package and access

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

DataContractGate MCP logo, by nightmooseCommunity listingLocal stdioSource reviewed; not executedPublished by nightmoose
You need:Auth is the same API key the CLI and playbook already use.
Vendor documentation

What you can do with it

  • Infer draft YAML contracts from sample events
  • Validate events against deployed contracts or YAML
  • Deploy contracts to make them active
  • List quarantine rows for rejected events

Source and maintenance

Community listingRegistry 0.4.1
mcp-registry: io.github.nightmoose/contractgate@0.4.1Source repositoryProject website
Maintenance checked

Packages and installation

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

@nightmoose/contractgate-mcp-server 0.4.1

npmnpx
@nightmoose/contractgate-mcp-server package definition
{
  "version": "0.4.1",
  "transport": "stdio",
  "identifier": "@nightmoose/contractgate-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "CONTRACTGATE_API_KEY",
      "isRequired": true,
      "description": "DataContractGate API key (cg_live_...). Create one at https://app.datacontractgate.com/account"
    },
    {
      "name": "CONTRACTGATE_BASE_URL",
      "description": "Gateway base URL. Defaults to https://api.datacontractgate.com"
    }
  ]
}

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": {
    "datacontractgate-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@nightmoose/contractgate-mcp-server@0.4.1"
      ],
      "env": {
        "CONTRACTGATE_API_KEY": "<YOUR_CONTRACTGATE_API_KEY>",
        "CONTRACTGATE_BASE_URL": "<YOUR_CONTRACTGATE_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "datacontractgate-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@nightmoose/contractgate-mcp-server@0.4.1"
      ],
      "env": {
        "CONTRACTGATE_API_KEY": "<YOUR_CONTRACTGATE_API_KEY>",
        "CONTRACTGATE_BASE_URL": "<YOUR_CONTRACTGATE_BASE_URL>"
      }
    }
  }
}

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": {
    "datacontractgate-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@nightmoose/contractgate-mcp-server@0.4.1"
      ],
      "env": {
        "CONTRACTGATE_API_KEY": "<YOUR_CONTRACTGATE_API_KEY>",
        "CONTRACTGATE_BASE_URL": "<YOUR_CONTRACTGATE_BASE_URL>"
      }
    }
  }
}

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": {
    "datacontractgate-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@nightmoose/contractgate-mcp-server@0.4.1"
      ],
      "env": {
        "CONTRACTGATE_API_KEY": "<YOUR_CONTRACTGATE_API_KEY>",
        "CONTRACTGATE_BASE_URL": "<YOUR_CONTRACTGATE_BASE_URL>"
      }
    }
  }
}

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