Ai2 Asta MCP — Semantic Scholar academic graph over MCP (no Python). Intent-to-tool routing, safe fields defaults to avoid context blowups, citation traversal, author lookup, snippet evidence retrieval, and DOI/arXiv/PMID via externalIds.
Add the marketplace (inside Claude Code):
/plugin marketplace add Agents365-ai/365-skillsInstall the plugin:
/plugin install astaIntegration with OpenAI Codex CLI for complex code generation and debugging