{"id":"serena","name":"Serena","homepage":"https://github.com/oraios/serena","repo_url":"https://github.com/oraios/serena","category":"developer-tools","subcategories":["coding-agent","code-analysis","ide-integration"],"tags":["coding-agent","lsp","semantic-code","mcp","python","multi-language","ide","symbol-search","refactoring"],"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.","use_cases":["Navigate large codebases semantically — find symbol definitions, usages, and referencing symbols without grep-style text search","Perform precise, symbol-level code edits (insert after symbol, replace symbol body) reducing hallucination risk from LLMs","Integrate with Claude Code, Cursor, VSCode, and JetBrains IDEs via MCP for AI-assisted refactoring","Analyze complex multi-file relationships in large codebases where file-based context windows are insufficient","Use as a framework-agnostic coding agent backend compatible with any MCP client or custom agent"],"not_for":["Small or greenfield projects where simple file-based context is sufficient","Teams wanting a fully managed cloud coding assistant — Serena is self-hosted","Languages not supported by LSP implementations (niche or proprietary 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.","alternatives":["Aider","Continue.dev","Cursor (native)","GitHub Copilot Workspace","codemod"],"af_score":77.4,"security_score":65.0,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github","github_awesome"],"priority":"low","status":"evaluated","version_evaluated":"latest","last_evaluated":"2026-03-01T09:50:06.184428+00:00","performance":{"latency_p50_ms":null,"latency_p99_ms":null,"uptime_sla_percent":null,"rate_limits":null,"data_source":"llm_estimated","measured_on":null}}