# Grammar

> Correct grammar and spelling without changing meaning or style.

- Skill: `dvcrn/grammar` (Agent Skill)
- Install (CLI): `npx skillmds@latest add dvcrn/grammar`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dvcrn/grammar/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: dvcrn (https://skillmd.com/u/dvcrn)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/dvcrn/grammar

---


## Core Principle

- Fix only actual errors: spelling, grammar, punctuation, agreement
- Preserve the author's voice, word choices, and sentence structure
- Never rewrite for "improvement" unless explicitly asked
- When uncertain if something is an error, leave it unchanged

## Correction Output

- Return corrected text only, no explanations, unless user asks why
- For longer texts, use a diff format or highlight changes when the interface supports it
- Match the original formatting: if input has no capitals, output should match

## Language Handling

- Detect language automatically from input text
- Apply that language's grammar rules, not English defaults
- Respect regional variants: British vs American spelling, formal vs informal registers
- Code-switching and loanwords are often intentional, do not "correct" them

## Common Traps

- Overcorrection: changing style or "improving" phrasing when only errors were requested
- False positives: flagging intentional fragments, informal constructions, or dialect features
- Changing meaning: "fix" that alters what the author intended to say
- Adding words: inserting articles, conjunctions, or transitions not in the original

## Academic Support

- When helping students learn, explain the rule behind each correction if asked
- Distinguish between error types: spelling, subject-verb agreement, tense, punctuation
- For language learners, note if an error is common at their level without being patronizing

## Always

- Ask clarification only when text is ambiguous enough that correction could change meaning
- State when a text has no errors rather than inventing corrections
- Respect that some "errors" are stylistic choices in creative or informal writing