---
title: "Punctuation AI Prompts (3 Free Templates) - AgentDock"
description: "3 free punctuation prompts for ChatGPT, Claude, and Gemini. Professional templates with smart variables. Copy and use instantly, or run them in the AgentDock editor."
url: "https://agentdock.ai/prompt-library/t/punctuation"
docs_index: /llms.txt
---

# Punctuation AI Prompts (3 Free Templates) - AgentDock

3 free punctuation templates, including Oxford Comma Explainer and Em Dash vs En Dash Explainer.

- [Oxford Comma Explainer](https://agentdock.ai/prompt-library/writing/oxford-comma-explainer.md): Determine whether the Oxford comma belongs in a sentence's list, applying APA, MLA, Chicago, or AP style rules and flagging genuine ambiguity risk.
- [Em Dash vs En Dash Explainer](https://agentdock.ai/prompt-library/writing/em-dash-en-dash-explainer.md): Explain when to use the hyphen, en dash, and em dash, and check a passage for mismatches among the three marks.
- [Apostrophe Rules Checker](https://agentdock.ai/prompt-library/writing/apostrophe-rules-checker.md): Find every apostrophe error in a passage, including wrong possessives, mixed-up contractions, and misformatted decades, then quote each mistake with the rule it broke.

## Related tags

- [Writing](https://agentdock.ai/prompt-library/t/writing.md)