About
Yggdrasil is a reasoning orchestration server for the Model Context Protocol (MCP), evolving from Anthropic's `@modelcontextprotocol/server-sequential-thinking` with significant enhancements. Embracing the metaphor of the World Tree, it empowers AI models to navigate complex problems by exploring diverse reasoning paths (branches), conducting deep foundational analysis (roots), and establishing intricate connections for thought revision and evaluation. This server significantly boosts LLM problem-solving through advanced deep planning, dynamic branching, and iterative revision, while crucially rectifying a critical string coercion bug in Claude Code for consistent parameter handling across all MCP clients.
