ContractGate MCP Server
by nightmooseio.github.nightmoose/contractgatev0.2.0
Infer, dry-run, deploy, and inspect ContractGate semantic data contracts.
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security
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cold start
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freshness
Active3d ago
Install ContractGate MCP server
Install in Claude Code
claude mcp add nightmoose -e CONTRACTGATE_API_KEY='<contractgate-api-key>' -- npx -y @nightmoose/contractgate-mcp-serverInstall in Cursor
{
"mcpServers": {
"nightmoose": {
"command": "npx",
"args": [
"-y",
"@nightmoose/contractgate-mcp-server"
],
"env": {
"CONTRACTGATE_API_KEY": "<contractgate-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"nightmoose": {
"command": "npx",
"args": [
"-y",
"@nightmoose/contractgate-mcp-server"
],
"env": {
"CONTRACTGATE_API_KEY": "<contractgate-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"nightmoose": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@nightmoose/contractgate-mcp-server"
],
"env": {
"CONTRACTGATE_API_KEY": "<contractgate-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"nightmoose": {
"command": "npx",
"args": [
"-y",
"@nightmoose/contractgate-mcp-server"
],
"env": {
"CONTRACTGATE_API_KEY": "<contractgate-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CONTRACTGATE_API_KEY | yes | yes | 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 |
Freshness
Active — last maintenance signal 3d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-06 · 3d ago · GitHub
Latest release
2026-10-01 · 9d ago · GitHub · v0.2.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v0.2.0
FAQ
›How do I install the ContractGate MCP server in Claude Code?
Run: claude mcp add nightmoose -e CONTRACTGATE_API_KEY='<contractgate-api-key>' -- npx -y @nightmoose/contractgate-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does ContractGate require an API key?
Yes. It expects CONTRACTGATE_API_KEY, of which 1 is a secret.
›Can I use ContractGate as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is ContractGate in the official MCP registry?
Yes, as io.github.nightmoose/contractgate.