langchain-openrouter
Installation
SKILL.md
LangChain OpenRouter Skill
Expert assistance for langchain-openrouter: one class (ChatOpenRouter) that routes to hundreds of models from OpenAI, Anthropic, Google, Meta, and more through a single API and API key.
Install: pip install -U langchain-openrouter
Setup: export OPENROUTER_API_KEY=your_api_key
Models: https://openrouter.ai/models
Reference: references/api.md (500 KB — full API reference).