TypeScript MCP Server

Tools · 40

• rename_symbols Rename variables, functions, classes, types, properties, interfaces, enums — all references updated across every file
• rename_move_files_folders Rename or move files and folders — all import paths updated automatically
• extract_function Extract a code range into a new function with auto-detected parameters and return type
• extract_constant Extract an expression into a named constant with inferred type
• extract_type Extract an inline type annotation into a named type alias
• infer_return_type Add an explicit return type annotation to a function, inferred by TypeScript
• move_symbol Move top-level declarations to another file, all imports rewired automatically
• inline_variable Replace all references with the variable's initializer and delete the declaration
• organize_imports Sort, coalesce, and remove unused imports
• format Format a range of code according to TypeScript's formatting rules
• get_code_fixes Retrieve available auto-fixes for specific diagnostics (missing imports, type mismatches, etc.)
• get_combined_code_fix Apply a fix-all action for a specific error code across a file
• get_diagnostics Retrieve type errors, warnings, and suggestions for any file
• find_all_references Locate every usage of a symbol across the project
• map_code Map AI-generated code snippets into a file, replacing matching declarations by name or appending new ones
• get_supported_code_fixes List every error code that has an available automatic fix, optionally scoped to a project
• quick_info Full type information, documentation, and JSDoc tags for any symbol (hover info)
• navigation_tree Complete hierarchical structure of a file (all declarations and their nesting)
• go_to_definition Jump to where a symbol is declared
• definition_and_bound_span Like definition, but also returns the text span of the queried symbol
• find_source_definition Navigate to actual TypeScript source instead of .d.ts declaration files
• go_to_type_definition Jump to the type's definition, not the variable's declaration
• go_to_implementation Find concrete implementations of an interface or abstract class
• navigate_to_symbol Workspace-wide symbol search by name
• file_references Find every file that imports a given file (reverse dependency graph)
• prepare_call_hierarchy Get call hierarchy entry point for a function/method
• incoming_calls Find all callers of a function ('who calls this?')
• outgoing_calls Find all callees of a function ('what does this call?')
• project_info Get tsconfig.json path, file list, and language service status
• completion_info Autocomplete suggestions at a position
• completion_entry_details Full documentation and type signature for a completion item
• signature_help Function parameter info and overloads at a call site
• document_highlights All occurrences of a symbol within a file, with read/write distinction
• get_applicable_refactors Discover what refactorings are available at a position or selection
• selection_range Get semantically meaningful selection ranges for smart expand/shrink selection
• move_to_refactoring_suggestions Get suggested target files when moving a symbol
• doc_comment_template Generate JSDoc comment template for a function/method
• outlining_spans Get foldable regions in a file
• inlay_hints Get inlay hints (parameter names, inferred types) for a range
• todo_comments Find all TODO/FIXME/HACK comments in a file