fable-agent/CLAUDE.md

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fable-agent — Project Instructions

Project

TypeScript self-improving agent system implementing the Fable 5 compound stack. All model calls route through the local proxy at localhost:18901.

Build / Test

  • npm run build
  • node dist/index.js demo
  • npx tsc --noEmit

Model Routing

All model calls route through http://localhost:18901/v1.

Working verified routes

Alias Provider Notes
go-dsv4-flash Go API Primary cheap/fast route
claude-sonnet-4-6 Zen API Code review, bounded subtasks
fi-gemini Free provider Gemini free tier
fi-mistral Free provider Mistral free tier
nemotron-3-ultra-free Free provider Nvidia free tier

Provider groups

  • Go API: go-* models (12 models, $10/mo flat)
  • Zen API: claude-*, gpt-*, gemini-*, etc.
  • CrofAI: fallback provider on 429
  • Free providers (fi-*): free-tier models

The proxy currently exposes 58 model aliases across these providers. The model router tracks 35 models with real pricing.

Proxy Configuration

  • Proxy config: ~/.config/grok-proxy.cjs
  • Provider keys: ~/.config/infer/keys.env, ~/.config/fi/keys.env
  • Restart proxy after config changes.

Project Structure

  • CLI: dist/index.js
  • Source: src/
  • State: ~/.fable-agent/
  • Skills: SKILLS/
  • Phases: PHASES/