Requires the agent-lsp MCP server.

lsp-understand

Deep-dive exploration of unfamiliar code — given a symbol or file, synthesizes hover info, implementations, call hierarchy (bounded to 2 levels), all references, and source into a structured Code Map.

Read-only — does not modify any files.

Differentiation from lsp-explore

/lsp-explore is a single-symbol pass: given one symbol name, it runs hover + implementations + call hierarchy + references and produces a per-symbol report. Use lsp-explore for quick "what is this one thing" questions.

/lsp-understand is broader in three ways: