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Lean Bisect

Agent skill
1 skill

USE FOR: bisecting Lean 4 toolchain versions or commits to find which one introduced a regression, using script/lean-bisect with guardmsgs / exit-code signatures, ignoring messages with --ignore-messages, bisecting between nightlies or arbitrary commits. DO NOT USE FOR: building a project (use @lean-build), minimising a Mathlib repro to a self-contained file (use @lean-mwe first), writing or fixing the proof itself (use @lean-proof), filing the bug report (use @lean-pr after the bisect points at a culprit). TRIGGERS: bisect, regression, "which commit broke", "behavior changed between", nightly bisect.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategoryProduct & designStars0

About this skill

USE FOR: bisecting Lean 4 toolchain versions or commits to find which one introduced a regression, using script/lean-bisect with guardmsgs / exit-code signatures, ignoring messages with --ignore-messages, bisecting between nightlies or arbitrary commits. DO NOT USE FOR: building a project (use @lean-build), minimising a Mathlib repro to a self-contained file (use @lean-mwe first), writing or fixing the proof itself (use @lean-proof), filing the bug report (use @lean-pr after the bisect points at a culprit). TRIGGERS: bisect, regression, "which commit broke", "behavior changed between", nightly bisect.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

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About this listing

Category
Product & design
Reported license
Apache-2.0
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Lean Bisect | Agent Skills Atlas