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lean-pr

Create and label Lean core and Mathlib4 PRs with dependency cross-linking.

2|Updated May 26, 2026
Search Tags:#workflow#branching#conventions#pr#lean#labeling#cross-linking
One-click install
npx skills add https://github.com/r-irbe/proof-skills --skill lean-pr
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: lean-pr
Source: https://github.com/r-irbe/proof-skills/tree/main/skills/_overrides/lean-pr
Command: npx skills add https://github.com/r-irbe/proof-skills --skill lean-pr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a unified, policy-driven workflow for creating, labeling, and wiring PRs across Lean ecosystem repositories, ensuring consistent conventions and cross-repo traceability.

Core Features & Use Cases

  • Centralizes PR conventions for Lean core and Mathlib4, including title formats, changelog labels, and dependency handoffs.
  • Guides developers through branch-from-fork workflows, upstream filing, and cross-linking dependent PRs, reducing review friction.
  • Provides a redirect mechanism for downstream tooling and maintains a clear handoff map to lean-proof-review and lean-zettelkasten.

Quick Start

Branch from a fork, choose the target convention, and draft the PR following Lean/Mathlib4 guidelines.

Frequently Asked Questions about lean-pr

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create a PR for Mathlib4 that follows the correct branching and title conventions?▼

To create a Mathlib4 PR, branch from a fork and follow upstream conventions for title formatting and changelog labels. This ensures consistent routing and cross-repo traceability across Lean ecosystem repositories.

What is the correct workflow for cross-linking dependent PRs in the Lean ecosystem?▼

Cross-linking dependent PRs in the Lean ecosystem involves applying policy-driven dependency handoffs and referencing upstream conventions. This maintains clear traceability between Lean core and Mathlib4 contributions.

Can I use this workflow for both Lean core and Mathlib4 contributions?▼

Yes, this workflow supports both Lean core and Mathlib4 contributions. It centralizes PR conventions for both repositories, applying appropriate labeling, title formats, and dependency cross-linking.

How do I apply changelog labels and formatting when filing upstream PRs for Lean?▼

Filing upstream Lean PRs requires choosing the target convention and applying centralized changelog labels and title formats. This is done after branching from a fork to reduce review friction.

What is the best way to manage PR handoffs to lean-proof-review in the Lean ecosystem?▼

Managing PR handoffs to lean-proof-review requires using a unified workflow that provides a clear handoff map. It redirects downstream tooling and enforces branching from forks for consistent processing.

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