"Understanding Abstract Syntax Trees (AST)" matching MCP connectors:

OpenAbstracts is a paper search API. One endpoint searches 10M+ academic papers from 100,000+ journals and returns real, citable records: title, authors, year, journal, DOI, abstract, subject category, journal quartile, and links to the original PDF and publisher page. What you can do: - Keyword search across titles, abstracts, keywords and authors, with fuzzy matching - Full-text search inside the PDFs, with highlighted snippets showing exactly where a term appears - Filter by subject category

Read-only Reddit search API for AI agents: posts, comments, comment trees, subreddit rules.