Cursor + OpenRouter Setup

Use Claude Mem in Cursor with OpenRouter’s 100+ AI models

Model variety: Access Claude, GPT-4, Gemini, Llama, Mistral, and more through a single API key. Several free models are available.

Step 1: Get an OpenRouter API key

1. Go to openrouter.ai and sign up or sign in
2. Navigate to API Keys and click Create Key
3. Copy your API key

Step 2: Clone and build Claude Mem

git clone https://github.com/thedotmack/claude-mem.git
cd claude-mem
bun install
bun run build

Step 3: Configure OpenRouter provider

Interactive setup (recommended)

bun run cursor:setup

When prompted, select OpenRouter as your provider and paste your API key.

Manual configuration

mkdir -p ~/.claude-mem
cat > ~/.claude-mem/settings.json << 'EOF'
{
  "CLAUDE_MEM_PROVIDER": "openrouter",
  "CLAUDE_MEM_OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY"
}
EOF

bun run cursor:install
bun run worker:start

Step 4: Restart Cursor and verify

bun run worker:status
bun run cursor:status

Open http://localhost:37777 to confirm the memory viewer is running.

Recommended models

Model	Cost	Notes
xiaomi/mimo-v2-flash:free	Free	Default free model
google/gemini-2.0-flash-exp:free	Free	Fast, capable
anthropic/claude-3-haiku	~$0.25/1M tokens	Fast and efficient

To specify a model, add CLAUDE_MEM_OPENROUTER_MODEL to your settings:

{
  "CLAUDE_MEM_PROVIDER": "openrouter",
  "CLAUDE_MEM_OPENROUTER_API_KEY": "your-key",
  "CLAUDE_MEM_OPENROUTER_MODEL": "google/gemini-2.0-flash-exp:free"
}

Paid OpenRouter models charge per token. Use free models (:free suffix) to avoid charges. Monitor usage at openrouter.ai/activity.

Next steps

Cursor Integration Overview

All Cursor features and hook mappings

Gemini Setup

Free tier alternative with Google Gemini