Yatt TS MCP Server
Highly configurable YATT MCP server library: spin up your own UI-testing MCP server (35 tools, Playwright engine, headless-first) with strict, typed configuration for paths, HTTP transport, auth, permissions, sessions and retention.
context tax
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security
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cold start
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freshness
Active18d ago
Install Yatt TS MCP server
Install in Claude Code
claude mcp add yatt-ts -- npx -y yatt-tsInstall in Cursor
{
"mcpServers": {
"yatt-ts": {
"command": "npx",
"args": [
"-y",
"yatt-ts"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"yatt-ts": {
"command": "npx",
"args": [
"-y",
"yatt-ts"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"yatt-ts": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"yatt-ts"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"yatt-ts": {
"command": "npx",
"args": [
"-y",
"yatt-ts"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 18d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-21 · 18d ago · GitHub
Latest release
2026-09-21 · 18d ago · GitHub · v0.2.0
Package published
no data · npm/PyPI
Registry entry updated
no data · official registry
FAQ
›How do I install the Yatt TS MCP server in Claude Code?
Run: claude mcp add yatt-ts -- npx -y yatt-ts. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Yatt TS require an API key?
No required environment variables are declared in its published metadata.
›Can I use Yatt TS as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Yatt TS in the official MCP registry?
No. It was indexed from npm.
Alternatives to Yatt TS
Other browser automation MCP servers.