Testrail MCP Server

An open-source Model Context Protocol (MCP) server that connects Claude, Cursor, Windsurf, and other AI assistants directly to TestRail. It runs locally over stdio via the published package.

People connecting automation tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-20 · ★ 30 · #23 OF 194 MAINTAINED AUTOMATION · VERIFIED 2026-08-25

Apache-2.0 · TypeScript servers · how we verify → /methodology

01 · Install Testrail MCP Server

before you install - you'll need

Set TESTRAIL_INSTANCE_URL, TESTRAIL_USERNAME, TESTRAIL_API_KEY, TESTRAIL_ENABLE_SHARED_STEPS before connecting.

Claude Code

claude mcp add uarlouski-testrail-mcp-server -- npx -y @uarlouski/testrail-mcp-server

Claude Desktop / Cursor / VS Code - add to config

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

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license Apache-2.0 - declared in the repository

npm package @uarlouski/testrail-mcp-server - published under the repo owner's npm scope (@uarlouski)

registry namespace io.github.uarlouski is GitHub-verified and matches the repo owner

03 · What Testrail MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v2.4.0 · 2026-08-20

Added · Add get_case_history tool to retrieve audit and change history for test cases. · Add TESTRAIL_ENABLE_CASE_HISTORY environment variable (defaults to false) to conditionally register test case history tools and…

v2.3.0 · 2026-08-13

Added · Add add_attachment tool to upload files, screenshots, logs, or auto-zipped directories to test cases or test runs (entity_type: "case" | "run"), supporting both numeric and 'C123' case IDs. · Add…

v2.2.0 · 2026-07-26

Added · Add explicit boolean value guidance for Checkbox type to prevent the model from passing 0 or 1 values. · Add multi-suite and baseline project support for section creation.

04 · Who maintains Testrail MCP Server

testrail-mcp-server is maintained by uarlouski. It's the only MCP server we track from this author; the repo dates to Jan 2026.

05 · Facts

repository: github.com/uarlouski/testrail-mcp-server
category: automation - ranked #23 of 194 actively-maintained automation servers as of 2026-08-25.
release cadence: 5 releases in the last 90 days (latest 2026-08-20)
registry: io.github.uarlouski/testrail-mcp-server (active, first published 2026-03-08 · 11 versions)
packages: npm:@uarlouski/testrail-mcp-server

06 · Testrail MCP Server FAQ

What is Testrail MCP Server?

An open-source Model Context Protocol (MCP) server that connects Claude, Cursor, Windsurf, and other AI assistants directly to TestRail. It runs locally over stdio via the published package.

Is Testrail MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-20 and it shipped 5 releases in the last 90 days. We re-verify nightly.

How do I install Testrail MCP Server?

Run `npx -y @uarlouski/testrail-mcp-server`. The README documents 4 environment variables (TESTRAIL_INSTANCE_URL, TESTRAIL_USERNAME, TESTRAIL_API_KEY…) to set first. Set TESTRAIL_INSTANCE_URL, TESTRAIL_USERNAME, TESTRAIL_API_KEY, TESTRAIL_ENABLE_SHARED_STEPS before connecting. You can also paste the ready-made client config above.

Does Testrail MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Testrail MCP Server

Alternatives to Testrail MCP Server

Maintained automation servers if Testrail MCP Server isn't the fit.

More automation MCP servers · Streamdeck MCP · Coda · Humane Proxy · Cookidoo MCP · Halo PSA

More TypeScript MCP servers · Dashclaw · Cursor Chat Bridge · Hilan MCP · Review Assist MCP · Ui5 MCP Server · see all