Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Search scientific papers with structured experimental data extracted from full-text studies. Returns 25+ fields per paper including methods, results, sample sizes, and quality scores. 50 free searches, then $0.01/result.
Query real, quality-scored humans as an agent tool. GetABrain routes a question to paid human workers and returns schema-validated JSON — 16 response types (yes/no, ratings, rankings, A/B tests, sentiment, image/video/audio review, voice/video/photo capture). Fully programmatic signup with a $5 free trial credit, no card required. npx -y @getabrain/mcp-server.