OrcaRouter

Catalog browsing workswithout an API key— compare pricing and capabilities before signing up.

- 🗺️ Discover providers and models without an API key
- 💬 Run chat completions through any served model
- 🧠 Auto-route requests through your workspace'sorcarouter/autorouter (cost / quality / balanced / LinUCB / gated-adaptive strategies)
- 🔁 Configure fallback chains (primary + up to 4 fallbacks) for resilience
- 📊 Filter models server-side by provider, capability, or minimum context window
- 🎯 Inspect detailed model cards: pricing, context, latency, supported endpoints
- 🔌 Works with Claude Desktop, Claude Code, Cursor, Windsurf, Zed, and any MCP client

- "List all providers on OrcaRouter"
- "Show me all Anthropic models with their pricing"
- "Get details aboutminimax/minimax-m2.7"
- "Chat withorcarouter/autoand explain quantum computing"

claude mcp add orcarouter -s user \ -e ORCAROUTER_API_KEY=sk-orca-your-key \ -- npx -y @orcarouter/mcp

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Copy the example config for your MCP client into the client's config file:

Requires Node.js 18 or later. TheORCAROUTER_API_KEYenv var is only required fororcarouter_chat; catalog tools work without it.

- orcarouter_chat— run a chat completion (with optional fallback chain)
- orcarouter_models_list— browse the catalog (pricing, context, capabilities)
- orcarouter_model_card— detailed info for one model
- orcarouter_providers_list— list providers with model counts

Full input schemas are exposed at runtime via the MCPtools/listmethod — your MCP client (Claude Desktop, Cursor, etc.) reads them automatically.

# bun (preferred) bun install bun run test bun run typecheck bun run build # or with npm npm install npm test npm run typecheck npm run build

The build produces an ESM bundle atdist/index.jswith a#!/usr/bin/env nodeshebang, runnable as theorcarouter-mcpbinary.

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