lean4-lsp

Piebald-AI/claude-code-lsps

Lean 4 language server with per-file Lake project-root detection (lake serve, or lean --server for standalone files), elan toolchain discovery, multi-project and worktree routing, and bounded memory (Lean workers are closed when idle or past a cap). Bundles the lean-goal CLI for proof goals, candidate tactics and Mathlib-wide lemma search.

GitHub stars

521

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