How do I authenticate with Lastest?
The server authenticates via a Bearer token. Generate an API key in the Lastest UI under **Settings → Runners & API Access**.
Lastest MCP Server
@las-team
Basic information
About Lastest MCP Server
Lastest Visual Regression Testing - Cloud/Self-hosted version
Lastest MCP Server config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"lastest": {
"command": "npx",
"args": [
"-y",
"@lastest/mcp-server@latest",
"--url",
"https://app.lastest.cloud",
"--api-key",
"YOUR_API_KEY"
]
}
}
}Lastest MCP Server tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
Fetch the live tool list by running this server in a temporary sandbox using the button above.
Overview
What is Lastest?
Lastest is an MCP server that enables AI agents to run visual regression tests, review screenshot diffs, and approve baselines on a Lastest cloud instance. It integrates with MCP-compatible clients like Claude Code, Cursor, Windsurf, Cline, and Claude Desktop.
How to use Lastest?
Install by running npx -y @lastest/mcp-server@latest --url https://your-lastest-instance --api-key YOUR_API_KEY. Generate an API key in the Lastest UI under Settings → Runners & API Access. Wire the server into your MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, or Cline) using the client's MCP configuration (e.g., claude_desktop_config.json or ~/.cursor/mcp.json).
Key features of Lastest
- 20 MCP tools, all prefixed with
lastest_ - Run, manage, and heal visual regression tests
- View, approve, and reject visual diffs
- Self-configure tests with runtime overrides
- Manage repositories, functional areas, and shared auth
- Publish public share links for builds and tests
- Retrieve QA summaries and coverage stats
- Drive Verify phase with Change Map and per-layer approvals
Use cases of Lastest
- An AI agent automatically triggers visual regression tests after a code change
- Review and approve screenshot diffs without leaving the chat interface
- Heal failing tests using AI-based suggestions
- Manage test configurations and auth state across repos
- Share build results publicly with
/r/<slug>links
Frequently asked questions
What clients are supported?
Claude Code, Claude Desktop, Cursor, Windsurf, and Cline – all verified. Any MCP-compliant client that can launch a stdio server works.
What are the runtime requirements?
Node.js 18+ and a reachable Lastest instance. The server communicates over stdio.
What should I do if I get a 401 error?
The API key may be revoked or expired. Generate a new one in the Lastest UI.
How do I migrate from v0.2.x to v0.3.x?
The tool surface was consolidated from ~56 to ~21 tools. Pure CRUD operations now use a discriminated `action` parameter. See the migration table in the README. Pin a `0.2.x` release if you need the old names temporarily.
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