Using ast-grep to Modify Code Programmatically – MCP tools

modify_code
AI FileSystem MCP
Modify code files by applying AST transformations to rename elements, update functions, manage imports, and add properties programmatically.
MIT
test_match_code_rule
ast-grep MCP Server
Test code against ast-grep YAML rules to verify pattern matching before applying to projects. Validate rule accuracy by scanning code samples.
MIT
astgrep_search
MCP-REPL
Search code patterns using AST matching across specified paths for multiple programming languages, with adjustable strictness and context lines, integrated into the MCP-REPL server.
MIT
astgrep_replace
MCP-REPL
Transform code by matching and replacing AST patterns in specified files. Supports multiple languages, preview mode, and interactive confirmation for secure and precise modifications.
MIT
astgrep_analyze
MCP-REPL
Analyze and debug code structure using AST patterns to identify issues, specify a programming language, and optionally enable detailed query or tree context analysis within a secure sandboxed environment.
MIT
dump_syntax_tree
ast-grep MCP Server
Debug code rules by inspecting syntax tree structures. Use to discover correct syntax kinds and analyze how patterns are interpreted in ast-grep.
MIT

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