{"id":"serena","name":"Serena","af_score":77.4,"security_score":65.0,"reliability_score":null,"what_it_does":"An open-source coding agent toolkit that gives LLMs IDE-grade semantic code understanding via Language Server Protocol (LSP), enabling symbol-level navigation, precise code editing, and cross-reference analysis across 30+ programming languages.","best_when":"You are working in a large, complex existing codebase where understanding symbol relationships and cross-file dependencies is critical to making correct AI-assisted changes.","avoid_when":"Your project is small or new enough that a standard file-reading LLM workflow handles the task adequately — Serena's LSP setup overhead is not worth it for simple cases.","last_evaluated":"2026-03-01T09:50:06.184428+00:00"}