leanprover-community

leanprover-community/repl

A simple REPL for Lean 4, returning information about errors and sorries.

Stars: 228
Forks: 71
Open beginner issues: 0
Indexed issues: 26
Avg merge: 15m
Merged PRs (30d): 4

Dominant language: Lean
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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1 beginner-friendly issue open

proofStep discards the message log on failure, so elaboration errors surface only as `internal exception #N` Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

leanprover-community/repl#164 · Opened Aug 8, 2026

A short digest of beginner-friendly GitHub issues.