{"service":"prompt-variance-worker","version":"1.1.0","description":"Run a prompt N times against an LLM and measure output stability — length variance, jaccard, embedding cosine, structural drift. Gate prompts before promoting them.","endpoints":{"GET  /prompt-variance/health":"Health check","GET  /prompt-variance/version":"Build version","GET  /prompt-variance/openapi.json":"OpenAPI 3.1 spec","POST /prompt-variance/api/v1/test":"Run a prompt N times and return variance report","POST /prompt-variance/api/v1/compare":"Compare two prompts side-by-side","POST /prompt-variance/mcp":"MCP JSON-RPC 2.0 endpoint"},"limits":{"max_prompt_length":4000,"max_runs":8,"rate_limit":"12 req/min per IP"},"pricing":"Free tier 20 tests/day · Pro $19/mo · Pay-as-you-go $0.02/test"}