ContextStellar

Connect to ContextStellar

Start optimizing your LLM context in minutes. Choose your integration method below.

Your Credentials

Paste your API key and project ID to auto-fill the configuration snippets below. Don't have one yet? Create a project & API key

Configuration
# Add to your Claude Code hooks config (~/.claude/hooks.json)
{
  "hooks": {
    "PreToolUse": [{
      "type": "http",
      "url": "https://your-instance.contextstellar.com/api/v1/hooks/claude-code",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }],
    "PostToolUse": [{
      "type": "http",
      "url": "https://your-instance.contextstellar.com/api/v1/hooks/claude-code",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }]
  }
}
1

Create a Project

Go to Settings and create a project to get your API key.

Go
2

Connect Your Tool

Use the config snippet above to connect Claude Code, the extension, or the SDK.

3

View Your Dashboard

See real-time scores, traces, and RLM learning progress.

Go

Zero-Friction Start

The Chrome extension works with zero signup. Just install and start scoring prompts on any supported AI chat site.

API Key Authentication

All SDK and hooks endpoints use Bearer token auth with cs_live_ prefixed keys. Keys are hashed server-side.