The TestRail MCP Server is a free, open-source Model Context Protocol server that gives AI assistants direct, structured access to a TestRail instance through the TestRail API v2. Once configured…
testrail-mcp-server is an MCP project maintained in the uarlouski/testrail-mcp-server repository. The maintainer describes its purpose as “The TestRail MCP Server is a free, open-source Model Context Protocol server that gives AI assistants direct, structured access to a TestRail instance through the…”. Read the project documentation for the complete scope.
The documented npm package is @uarlouski/testrail-mcp-server. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares TESTRAIL_INSTANCE_URL, TESTRAIL_USERNAME, TESTRAIL_API_KEY, TESTRAIL_ENABLE_SHARED_STEPS. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"testrail": {
"command": "npx",
"args": [
"-y",
"@uarlouski/testrail-mcp-server@latest"
],
"env": {
"TESTRAIL_INSTANCE_URL": "https://your-instance.testrail.io",
"TESTRAIL_USERNAME": "your@email.com",
"TESTRAIL_API_KEY": "YOUR_TESTRAIL_API_KEY",
"TESTRAIL_ENABLE_SHARED_STEPS": "true"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| TESTRAIL_INSTANCE_URL | Declared in the maintainer’s client configuration. | Check documentation |
| TESTRAIL_USERNAME | Declared in the maintainer’s client configuration. | Check documentation |
| TESTRAIL_API_KEY | Declared in the maintainer’s client configuration. | Check documentation |
| TESTRAIL_ENABLE_SHARED_STEPS | Declared in the maintainer’s client configuration. | Check documentation |
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