LeanProbe 0.2.2

What's Changed

• Added lean_probe_capabilities MCP tool for reporting LeanProbe readiness, project-root detection, selected REPL path, and live session state.
• Added lean-probe capabilities CLI command with matching readiness output.
• Documented how LeanProbe complements LSP-backed Lean MCP tools such as lean-lsp-mcp.
• Updated tests for the new MCP and CLI capability surfaces.

Validation

• python -m pytest -q
• python -m ruff check .
• python -m build
• python -m twine check dist/*

LeanProbe 0.2.1

Patch release for LeanProbe MCP setup docs.

• Documents that stdio MCP clients should keep LEAN_PROBE_AUTO_BUILD=0.
• Explains that Lean/Lake projects should be built before starting LeanProbe MCP.
• Prevents MCP transport corruption from build output written to stdout.

Install:

python -m pip install -U lean-probe

MCP:

python -m pip install -U "lean-probe[mcp]"
lean-probe mcp

LeanProbe 0.2.0

First public LeanProbe release.

Install:

python -m pip install lean-probe

MCP support:

python -m pip install "lean-probe[mcp]"
lean-probe mcp

Highlights:

• Standalone Python package, CLI, and MCP server for LeanInteract-backed Lean feedback.
• Cached same-file declaration checks.
• Diagnostics, tactic metadata, proof-state stepping, and feedback_lean.
• Benchmarks for repeated target checks and sequential same-file checks.
• Python 3.10-3.13 support across Linux, macOS, and Windows.