Context7: Context7 is an MCP server that injects up-to-date, version-specific library documentation directly into LLM prompts. Add "use context7" to any coding prompt and it fetches current docs for the library you're working with, eliminating hallucinated APIs and outdated code examples. Works with Claude Desktop, Cursor, Windsurf, and any MCP-compatible editor.; chatarena: ChatArena is a Python library that provides multi-agent language game environments for Large Language Models. It offers a flexible framework to define players, environments, and interactions, along with user-friendly interfaces for developing and engineering LLM agents.
Preventing LLMs from hallucinating deprecated or non-existent API methods
Researching and understanding LLM social interactions