OpenRouter MCP Registry

A centralized model registry backed by OpenRouter. Prevents stale model names, standardizes model IDs, and exposes an MCP-compatible endpoint for AI clients.

🗂 Model Registry

Browse all cached models fetched from OpenRouter. Filter by provider, view pricing and context length.

Browse Models →

🔍 Model Resolution

Resolve any alias (sonnet, gpt-4o) or canonical ID to the exact model. Never worry about stale names again.

Try Resolver →

🔌 MCP Protocol

Connect AI coding assistants and agents directly to this registry using the Model Context Protocol.

MCP Setup →

Architecture

┌─────────────────────────────────────────────────────────────┐
│                     Vercel Deployment                        │
│                                                             │
│  ┌──────────────┐    ┌──────────────┐    ┌──────────────┐  │
│  │  apps/web    │    │  apps/mcp    │    │  packages/   │  │
│  │  (Next.js)   │───▶│  (Next.js)   │───▶│  shared      │  │
│  │  Demo UI     │    │  MCP Server  │    │  Types+Svc   │  │
│  └──────────────┘    └──────┬───────┘    └──────────────┘  │
│                             │                               │
│                    ┌────────▼────────┐                      │
│                    │  Vercel Postgres │                      │
│                    │  models         │                      │
│                    │  aliases        │                      │
│                    │  sync_status    │                      │
│                    └─────────────────┘                      │
│                                                             │
│  Cron (weekly) ──▶ /api/cron/sync ──▶ OpenRouter API        │
└─────────────────────────────────────────────────────────────┘

Supported Aliases

Alias	Resolves To
`auto`	`openrouter/auto`
`sonnet`	`anthropic/claude-sonnet-4-5`
`haiku`	`anthropic/claude-haiku-4-5`
`fast-general`	`anthropic/claude-haiku-4-5`
`best-general`	`anthropic/claude-sonnet-4-5`
`gpt-4o`	`openai/gpt-4o`
`gemini`	`google/gemini-pro-1.5`
`mistral`	`mistralai/mistral-large`

Quick Start

List models

GET /api/models

Resolve alias

POST /api/resolve
{"input":"sonnet"}

MCP endpoint

POST /api/mcp