Does Serena handle code formatting during insertions?

Yes, Serena's insertion tools like 'insert_after_symbol' are designed to respect existing code indentation and maintain syntactic validity within the specific scope.

Which programming languages are supported by Serena?

Serena supports over 30 languages through LSP integration, with Tier 1 support for Python, JavaScript, TypeScript, Rust, Go, Java, and C/C++.

Is Serena a replacement for ast-grep?

They are complementary. While ast-grep focuses on structural syntax patterns, Serena focuses on semantic relationships and cross-file symbol resolution via the Language Server Protocol.

How is Serena different from standard text search tools like ripgrep?

Unlike ripgrep, which uses text-based pattern matching, Serena uses LSP for semantic understanding. This allows it to distinguish between a variable definition, a function call, and a word inside a comment, providing much higher precision.

Can Serena help with large-scale refactoring?

Yes. Serena's ability to find all referencing symbols across an entire project makes it ideal for impact analysis and safe renaming or restructuring of complex codebases.

Serena: LSP Symbol Navigation

Name: Serena: LSP Symbol Navigation
Author: Microck

byMicrock

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開発者ツール

Empowers Claude with IDE-like semantic understanding to navigate, track, and refactor code at the symbol level using Language Server Protocol.

概要

Serena transforms Claude into a symbol-aware coding agent by integrating Language Server Protocol (LSP) capabilities directly into the development workflow. Unlike traditional text-based search tools, Serena understands the semantic structure of your code, allowing for precise discovery of definitions, exhaustive tracking of references across multi-file projects, and surgical code insertions that respect scope and indentation. It is an essential skill for developers performing complex refactoring, impact analysis, or deep codebase exploration across over 30 supported programming languages.

主な機能

Seamless integration with industry-standard LSPs like pyright, gopls, and rust-analyzer.
Comprehensive reference tracking to identify every call site and usage in a codebase.
Semantic symbol discovery for classes, functions, and variables across 30+ languages.
81 GitHub stars
IDE-like refactoring capabilities including symbol renaming and body replacement.
Surgical code insertion that maintains syntactic validity and proper indentation.

ユースケース

Performing deep impact analysis by identifying all dependencies and references before a major refactor.
Navigating large, unfamiliar codebases to quickly locate specific implementations and architectural patterns.
Automating precise code modifications, such as injecting error handling or adding methods to specific classes.

概要

主な機能

Seamless integration with industry-standard LSPs like pyright, gopls, and rust-analyzer.
Comprehensive reference tracking to identify every call site and usage in a codebase.
Semantic symbol discovery for classes, functions, and variables across 30+ languages.
81 GitHub stars
IDE-like refactoring capabilities including symbol renaming and body replacement.
Surgical code insertion that maintains syntactic validity and proper indentation.

ユースケース

Performing deep impact analysis by identifying all dependencies and references before a major refactor.
Navigating large, unfamiliar codebases to quickly locate specific implementations and architectural patterns.
Automating precise code modifications, such as injecting error handling or adding methods to specific classes.