grammar-check

Identify grammar, logic, and flow errors in text with targeted fix suggestions.

1|Updated May 6, 2026
One-click install
npx skills add https://github.com/moonzff/Codex_up --skill grammar-check-moonzff
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: grammar-check
Source: https://github.com/moonzff/Codex_up/tree/main/skills/global-installed/grammar-check
Command: npx skills add https://github.com/moonzff/Codex_up --skill grammar-check-moonzff

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Reviewing drafts for grammar mistakes, logical inconsistencies, and awkward flow is time-consuming, and full rewrites often erase the author's voice. This Skill pinpoints specific errors and suggests targeted fixes without rewriting the entire text. ## Core Features & Use Cases - Categorized Error Detection: Scans text for grammar errors (spelling, punctuation, subject-verb agreement, tense), logical errors (unsupported claims, contradictions, vague statements), and flow errors (weak transitions, passive voice, redundancy). - Actionable Fix Suggestions: For each issue, provides the location, the error, a concrete fix, and the rationale, prioritized by impact on readability. - Tone and Objective Alignment Check: Assesses whether the text's tone matches its stated purpose and audience. - Use Case: Paste a draft investor update or product announcement, state its objective, and receive a prioritized list of fixes—such as clarifying a vague pronoun or adding evidence to an unsupported claim—while keeping your original wording intact. ## Quick Start Use the grammar-check skill to review this draft for grammar, logic, and flow issues without rewriting it, given the objective of persuading potential investors.

Frequently Asked Questions about grammar-check

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

FAQPage Schema
How do I check a draft for grammar and flow errors without rewriting it?▼

Provide the text along with its intended objective, and the review returns a categorized list of grammar, logic, and flow errors. Each item includes the location, the issue, a specific fix, and the rationale, so you keep your original voice.

What types of writing errors does a grammar and flow review catch?▼

It catches spelling, punctuation, subject-verb agreement, tense inconsistency, vague pronouns, unsupported claims, contradictions, weak transitions, passive voice overuse, redundancy, and tone inconsistency. Errors are grouped into grammar, logic, and flow categories.

Can I use grammar checking for technical documentation or marketing copy?▼

Yes, the review adapts to context by first identifying the document type, target audience, and intended tone. Fix suggestions are tailored to match the objective, whether formal documentation, persuasive marketing, or casual email.

Does the grammar check rewrite my text automatically?▼

No, it deliberately avoids full rewrites. It provides specific fix suggestions per error with explanations, letting the author apply changes and maintain their personal style and voice.

When should I not apply suggested grammar fixes?▼

Skip suggestions for intentional style choices such as short punchy sentences, correct informal language in casual contexts, rhetorical devices like parallel structure, and personal voice elements that do not harm clarity.