MCP Bench Router

k1ta141k/mcp-bench-router

Wires Claude directly to designarena.ai's live leaderboard so you can route frontend and design tasks to whatever model is currently winning. Exposes four tools: check the top ranked model overall or by category (website, logo, dataviz, etc.), browse paginated rankings, and send prompts either to the best available model or a specific one via OpenRouter. The server caches leaderboard data for two hours, maps arena model names to OpenRouter IDs using static, dynamic, and fuzzy matching, then skips unreleased models to find the best queryable option. Reach for this when you're tired of mediocre design output and want to delegate UI, graphics, or frontend work to whichever model the crowd currently trusts most. Requires an OpenRouter API key for the query tools.

GitHub stars: 6
tools: 4
auth: Secret needed
transport: STDIO
env var: 1
last updated: Feb 7, 2026

View on GitHub

Tools

4 tools

Public tool metadata for what this MCP can expose to an agent.

get_best_design_modelGet the current #1 design model, optionally by category

Get the current #1 design model, optionally by category

No parameter schema in public metadata yet.

get_leaderboardBrowse full rankings with category filter and pagination

Browse full rankings with category filter and pagination

No parameter schema in public metadata yet.

query_design_modelSend a prompt to the best available model via OpenRouter

Send a prompt to the best available model via OpenRouter

No parameter schema in public metadata yet.

query_specific_modelSend a prompt to a specific model via OpenRouter

Send a prompt to a specific model via OpenRouter

No parameter schema in public metadata yet.

Configuration

OPENROUTER_API_KEY*secret

OpenRouter API key for query_design_model and query_specific_model tools. Get one at https://openrouter.ai/keys

Readme

mcp-bench-router

MCP server that delegates design tasks to whichever model currently tops designarena.ai's crowdsourced leaderboard, via OpenRouter.

Why?

AI coding assistants produce mediocre frontend/design output. designarena.ai maintains a live leaderboard of the best design models, updated every 2 hours. This MCP server lets Claude (or any MCP client) automatically route design tasks to the current best model.

Tools

Tool	Description
`get_best_design_model`	Get the current #1 design model, optionally by category
`get_leaderboard`	Browse full rankings with category filter and pagination
`query_design_model`	Send a prompt to the best available model via OpenRouter
`query_specific_model`	Send a prompt to a specific model via OpenRouter

Setup

Prerequisites

Node.js >= 18
An OpenRouter API key (required for query_design_model and query_specific_model)

Claude Code (CLI)

claude mcp add mcp-bench-router -s user -e OPENROUTER_API_KEY=sk-or-... -- npx -y mcp-bench-router

Claude Desktop

View the full README on GitHub

Details

Repository: github.com/k1ta141k/mcp-bench-router
Category: Design & Creative
Package: mcp-bench-router
Transport: STDIO
Auth: Required
Registry: MCP registry, active

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