Validator MCP Server

✅ Now in the Anthropic Connector Directory. In Claude, open Settings → Connectors, search swatchdog, and click Connect - no URL, no key, no setup. It is available as a remote MCP endpoint.

Teams that want a hosted design endpoint instead of running a local process.

VERIFIED ACTIVE

LAST COMMIT 2026-07-12 · ★ 6 · #70 OF 74 MAINTAINED DESIGN · VERIFIED 2026-08-25

how we verify → /methodology

01 · Install Validator

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add swatchdog-dev-swatchdog-mcp --transport http https://swatchdog-mcp-970396648818.us-central1.run.app/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "swatchdog-dev-swatchdog-mcp": {
      "url": "https://swatchdog-mcp-970396648818.us-central1.run.app/mcp"
    }
  }
}

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

https://swatchdog-mcp-970396648818.us-central1.run.app/mcp

transport: streamable-http

endpoint alive - authentication required · probed 2026-08-25

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 remote - your agent's requests go to swatchdog-mcp-970396648818.us-central1.run.app

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license no standard license detected - usage rights unclear; check the repo before commercial use

registry vendor namespace dev.swatchdog - domain-verified with the official MCP registry

03 · What Validator can do

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

Latest releases

v1.0.1 · 2026-06-12

-"check drift' - CSS design-token drift detection (color, radius, spacing, type) · -Pack mode (curated design families) and BYO mode (your own tokens, stateless, never stored) · -Listed in official MCP Registry…

04 · Who maintains Validator

validator is maintained by swatchdog-dev. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/swatchdog-dev/swatchdog-mcp
category: design - ranked #70 of 74 actively-maintained design servers as of 2026-08-25.
release cadence: 1 release in the last 90 days (latest 2026-06-12)
registry: dev.swatchdog/validator (active, first published 2026-06-08 · 2 versions)

06 · Validator FAQ

What is Validator?

✅ Now in the Anthropic Connector Directory. In Claude, open Settings → Connectors, search swatchdog, and click Connect - no URL, no key, no setup. It is available as a remote MCP endpoint.

Is Validator still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-12 and it shipped 1 release in the last 90 days. We re-verify nightly.

How do I install Validator?

Run `claude mcp add swatchdog-dev-swatchdog-mcp --transport http https://swatchdog-mcp-970396648818.us-central1.run.app/mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Validator require authentication?

Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

07 · Alternatives to Validator

Alternatives to Validator

Maintained design servers if Validator isn't the fit.

More design MCP servers · Openroad MCP (the-openroad-project) · Figma UI MCP · Contextatlas · melta UI · Figma MCP Go