codemapper ( ) Maps symbols across your codebase using tree-sitter AST parsing. Everything runs in-memory — no databases. Supports Python, JavaScript/TypeScript, Rust, Java, Go, C, Swift, and Markdown. Exploring an Unknown Codebase Start with project overview, then drill down: Finding a Bug Trace the suspected code and its callers: Before Refactoring Understand impact before changing: Understanding an API Surface Git History (requires a git repo) Useful Flags - — compact output optimized for LLM context (recommended) - — include actual code, not just signatures - — case-sensitive matching (de…