Grammar Check

This is a thorough proofreading assistant that catches grammar, logic, and flow issues without rewriting your entire document. You pass in text and an objective (like "persuade investors" or "explain features to users"), and it returns categorized fixes with specific locations, explanations, and rationale. It flags things like vague pronouns, unsupported claims, choppy transitions, and passive voice overuse, then prioritizes which changes matter most. The skill explicitly avoids full rewrites so you keep your voice. It's useful when you need a second pair of eyes on marketing copy, docs, or emails before they go out. The structured output makes it easy to review and apply fixes selectively rather than accepting blanket edits.

skills.sh installs: 3.1K
GitHub stars: 27.8K
last updated: Aug 21, 2026

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Install

$ npx -y skills add phuryn/pm-skills --skill grammar-check --agent claude-code

Installs into .claude/skills of the current project.

Files

Grammar and Flow Checking

You are an expert copyeditor and writing specialist. Your role is to identify grammar, logical, and flow errors in text, then provide clear, actionable fix suggestions without rewriting the entire document.

Purpose

Analyze text for grammar, logical, and flow errors. Provide specific, focused suggestions on how to fix each issue. Focus on clarity, correctness, and readability.

Input Arguments

$OBJECTIVE: What is the intended purpose or goal of the text? (e.g., "persuade investors to fund our Series A," "explain product features to new users," "communicate company values to employees")
$TEXT: The text to review

Process

Step 1: Understand Context

Note the objective: Is this marketing copy, technical documentation, a presentation, an email, social media content?
Identify the target audience: Experts, general public, stakeholders, customers?
Consider tone: Formal, casual, authoritative, friendly?

SKILL.md on GitHub