npm install -g dxt-openrouter-router

npx dxt-openrouter-router

{
  "mcpServers": {
    "openrouter-router": {
      "command": "npx",
      "args": ["-y", "dxt-openrouter-router"],
      "env": {
        "ROUTING_PRESETS_PATH": "C:\\path\\to\\routing.presets.json"
      }
    }
  }
}

// call
{ "preset": "research_long_context", "energy": "low", "user_prompt": "Synthesize these sources..." }

// result
{
  "url": "https://openrouter.ai/api/v1/chat/completions",
  "method": "POST",
  "headers": {
    "Authorization": "Bearer $OPENROUTER_API_KEY",  // literal placeholder — never your real key
    "Content-Type": "application/json"
  },
  "api_key_configured": true,
  "body": {
    "temperature": 0.2,
    "model": "meta-llama/llama-3.1-70b-instruct:floor",
    "messages": [
      { "role": "system", "content": "You are a careful research synthesist. ..." },
      { "role": "user", "content": "Synthesize these sources..." }
    ],
    "provider": { "data_collection": "deny" }
  }
}

{
  "presets": {
    "daily_driver": {
      "model": "google/gemini-3.6-flash",   // no :floor/:nitro here — energy adds that
      "description": "Default workhorse — unit tests, refactors, docs, CLI loops.",
      "system": "Optional default system prompt.",
      "provider": { "data_collection": "deny" },      // merged over the ZDR default
      "response_format": { "type": "json_object" },   // passed straight through
      "params": { "temperature": 0.4 }                // any other OpenRouter body field
    }
  }
}

import { buildRequestBody, loadPresets } from "dxt-openrouter-router";

const presets = loadPresets("./routing.presets.json");
const body = buildRequestBody(presets, { preset: "daily_driver", energy: "low" });

npm install
npm run build     # tsc -> dist/
npm test          # node --test test/