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Quick Start

cd cookbooks/code/polyglot/typescript

# Install dependencies and start the server on localhost:8001
npm install
ENVIRONMENT_API_KEY=secret npm run dev
Expose it via Cloudflare: 
cloudflared tunnel --url http://localhost:8001
Run GEPA optimization: 
synth train gepa_config.toml --poll

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Source

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Sample Result

Job pl_787c47998cfe4745 — 85.7% accuracy on Banking77. 
{
  "job_id": "pl_787c47998cfe4745",
  "language": "typescript",
  "algorithm": "gepa",
  "best_score": 0.8571
}