Lean 4 Proof Checker

Checks a Lean 4 proof with Lean's own kernel and says whether the named theorem is proved, with no sorry and no extra axioms. Core Lean (Init and Std), no Mathlib. For AI agents that write proofs.

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Key figures24 readings
Price / 1k$20.00per 1,000 proof-check
Users / 30d1→ 0 over 24 readings
Users, all time2→ 0 over 24 readings
Runs / 30d21↑ 20 over 23 readings
Runs / user / mo21.0runs per monthly user
Recorded changes
  • 2026-10-05pricePrice changed$50.0 → $20.0/1k—on record
  • 2026-10-05contentREADME updated+49 characters+49characters
  • 2026-10-01changeListed—on record
showing 3 of 3 in the last 30 days · followers get the next one by email

History

24 readings since 2026-10-01
Users / 30d24 readings
10-01→ 010-24
Users, all time24 readings
10-01→ 010-24
Runs / 30d23 readings
10-01↑ 2010-24

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