MCP Bench Router
Send UI and design prompts through MCP to Design Arena’s top-ranked models on OpenRouter across 14 categories.
Overview
io.github.K1ta141k/mcp-bench-router is a Build-phase MCP server that routes design prompts to Design Arena top models on OpenRouter across 14 categories.
What is this MCP server?
- Routes design tasks using designarena.ai leaderboard winners via OpenRouter
- Covers 14 design categories for category-aware model selection
- npm package mcp-bench-router (v1.0.1) with stdio transport and npx runtime hint
- Tools include query_design_model and query_specific_model per registry env docs
- Requires OPENROUTER_API_KEY—no key means routing tools cannot call models
- 14 design categories referenced in the server description
- npm package version 1.0.1; tools query_design_model and query_specific_model per registry
Community signal: 6 GitHub stars.
What problem does it solve?
Builders waste cycles on the wrong LLM for UI and visual tasks because model choice is guesswork.
Who is it for?
Solo founders iterating landing pages and UI in-agent who already use OpenRouter and want Design Arena–guided defaults.
Skip if: Pure backend or data engineering tasks with no design output, or teams unwilling to manage an OpenRouter API key.
What do I get? / Deliverables
Your agent can call bench-ranked design models through one MCP integration keyed to the task category you specify.
- Design-task completions from bench-ranked or explicitly chosen OpenRouter models
- Category-aligned routing across 14 designarena.ai groupings
- Repeatable in-agent design iteration without manual model switching
Recommended MCP Servers
Journey fit
Design routing lands in build when you are implementing screens, marketing pages, or brand assets and want model choice driven by benchmarks—not a single default LLM. Frontend is the canonical shelf because the router optimizes design-task outputs (layouts, visuals, UX copy patterns) rather than backend infra.
How it compares
OpenRouter design-model router MCP, not a local mock database or credential vault.
Common Questions / FAQ
Who is mcp-bench-router for?
Indie builders and agent users who generate UI, marketing design, or UX-oriented copy and want category-aware model routing from Design Arena benchmarks.
When should I use mcp-bench-router?
Use it during build/frontend when you are exploring layouts, components, or visual direction and want the agent to hit top-ranked design models instead of a generic default.
How do I add mcp-bench-router to my agent?
Install or npx the npm package mcp-bench-router, set OPENROUTER_API_KEY in the MCP server environment, register stdio in Claude Code or Cursor, then call query_design_model or query_specific_model from your session.