ContractGate MCP Server

by nightmoose Your server? Claim it

local only

ContractGate runs on your own machine — the client starts it, so there is no endpoint to ping. 19 installs a week from npm. Last commit 17 Sep 2026.

Infer, dry-run, deploy, and inspect ContractGate semantic data contracts.

Installs per day peak 228 · avg 11 · +73% w/w

a month agotoday

Installs / week

npm · @contractgate/mcp-server

Stars

0 open issues

17 Sep 2026

Last commit

0 releases in 90 days

MIT

License

Rust

Nothing serious here today

Today is the operative word: we check ContractGate every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add contractgate -- npx -y @contractgate/mcp-server

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "contractgate": {
      "args": [
        "-y",
        "@contractgate/mcp-server"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.contractgate]
command = "npx"
args = ["-y", "@contractgate/mcp-server"]

.cursor/mcp.json

{
  "mcpServers": {
    "contractgate": {
      "args": [
        "-y",
        "@contractgate/mcp-server"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "contractgate": {
      "args": [
        "-y",
        "@contractgate/mcp-server"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: CONTRACTGATE_API_KEY (ContractGate API key (cg_live_...). Create one at https://app.datacontractgate.com/account), CONTRACTGATE_BASE_URL (Gateway base URL. Defaults to https://app.datacontractgate.com). The author declared them in the registry entry; get the values from the project itself.

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ContractGate — questions

Answers built from our own checks of this server.

Why is there no uptime for ContractGate?

ContractGate runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @contractgate/mcp-server was installed 19 times last week.

How do I connect ContractGate?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @contractgate/mcp-server straight from npm; nothing to host, nothing to sign up for.

How many people use ContractGate?

The npm package @contractgate/mcp-server was installed 19 times in the last week. Week over week that is +73%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is ContractGate open source?

Yes — it is published under the MIT licence, written in Rust and 3 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.