A calibrated faithfulness screen for informal↔Lean 4 statement pairs, served over MCP. It provides deterministic checks and deep LLM-based analysis to help draft Lean statements.
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process.env. You'll be asked to provide them before it can run.ANTHROPIC_API_KEY— counterexample probe. It uses your own . Measured cost is[](https://m8ven.ai/mcp/ibrahimmian36-leanscreen-79wywe)