feat: Add ModelsLab provider for uncensored AI models

[adhikjoshi]

feat: Add ModelsLab provider for uncensored AI models

Summary

Adds ModelsLab as a new LLM provider to bolt.diy, following the existing provider pattern exactly.

ModelsLab provides access to powerful uncensored AI models (Llama 3.1 8B/70B Uncensored) via an OpenAI-compatible API — making it a seamless drop-in addition.

What's Added

New file: app/lib/modules/llm/providers/modelslab.ts

• Extends BaseProvider following the same pattern as TogetherProvider, GroqProvider, etc.
• Uses getOpenAILikeModel() — ModelsLab's API is fully OpenAI-compatible
• Static models: Llama 3.1 8B Uncensored, Llama 3.1 70B Uncensored
• Dynamic model listing via /models endpoint
• Docker URL resolution support

Modified: app/lib/modules/llm/registry.ts

• Added ModelsLabProvider import and export (2 lines)

Setup

Users add to their .env.local:

MODELSLAB_API_KEY=your_key_here
# Optional custom base URL:
# MODELSLAB_API_BASE_URL=https://modelslab.com/api/uncensored-chat/v1

Then select ModelsLab from the provider dropdown and choose a model.

Get an API key: https://modelslab.com/dashboard/settings

Why ModelsLab?

• Uncensored models: Llama 3.1 Uncensored — useful for creative, research, and unrestricted coding tasks
• Cost-effective: Competitive pricing vs other providers
• OpenAI-compatible: Zero friction integration using existing getOpenAILikeModel helper
• Aligns with bolt.diy's mission: More provider choice = more freedom for users

Testing

# Set env var
echo "MODELSLAB_API_KEY=your_key" >> .env.local

# Run bolt.diy
pnpm run dev

# Select ModelsLab from provider dropdown
# Choose a Llama 3.1 Uncensored model
# Start building!

Checklist

• Follows existing provider pattern (BaseProvider extension)
• Uses getOpenAILikeModel helper (no new dependencies)
• Static models defined
• Dynamic model fetching implemented
• Docker URL resolution support
• Registered in registry.ts
• API key link provided for users
• No breaking changes
• Consistent code style with existing providers