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AI Grammar Checker

Free AI grammar checker. Check grammar, spelling, punctuation, and style. Get instant suggestions to improve your writing. Better than Grammarly for quick checks.

credits

DeveloperUse via API or MCP

AI Grammar Checker is available via the lots.tools REST API and MCP server. Generate an API key to get started.

REST API

POST https://lots.tools/api/v1/tools/grammar-checker/execute

curl -X POST https://lots.tools/api/v1/tools/grammar-checker/execute \
  -H "Authorization: Bearer lt_<your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "text": "Paste your text here to check for grammar, spelling, and punctuation errors...",
    "check_style": true
  }
}'

Input fields

texttextareaText to Check

check_stylecheckbox?Also check writing style and clarity

Response

{
  "success": true,
  "output": { ... },
  "credits_used": 1,
  "execution_time_ms": 120
}

MCP Server

Connect once and all lots.tools are available as MCP tools — including AI Grammar Checker. Add to your MCP client config:

{
  "mcpServers": {
    "lots-tools": {
      "url": "https://lots.tools/mcp",
      "headers": {
        "Authorization": "Bearer lt_<your-api-key>"
      }
    }
  }
}

Works with Cursor, Claude Desktop, and any MCP-compatible client. The tool name in MCP is grammar-checker.

See the full tools list for schemas of all available tools. Credits are deducted per execution.

AI Grammar Checker

This free AI Grammar Checker helps refine your writing by identifying and correcting grammar, spelling, punctuation, and style issues. It provides instant suggestions to enhance clarity and correctness.

What This Tool Does

The AI Grammar Checker analyzes your submitted text to detect various writing errors. It focuses on improving grammatical accuracy, correcting spelling mistakes, ensuring proper punctuation, and offering suggestions to elevate your overall writing style.

How It Works

Simply input the text you wish to have checked into the provided field. The AI system will then process your submission, identifying potential errors and suggesting improvements. The output will include the corrected text, a list of grammar issues found, and actionable style suggestions.

Key Features

Comprehensive Grammar Check: Identifies and corrects grammatical errors.
Accurate Spelling Correction: Pinpoints and fixes spelling mistakes.
Punctuation Review: Ensures correct usage of punctuation marks.
Writing Style Suggestions: Offers recommendations to improve clarity, conciseness, and overall readability.
Instant Feedback: Provides immediate results and suggestions.

Who This Tool Is For

This tool is ideal for students, writers, content creators, professionals, and anyone who needs to quickly and accurately check their written content. It's particularly useful for those seeking a fast and free solution to improve their writing quality.

Why Use This Tool

Utilize this AI Grammar Checker for a quick and efficient way to polish your writing. It offers a robust solution for catching errors that might otherwise go unnoticed, helping you produce clear, professional, and error-free text. Its ability to provide instant feedback and style suggestions makes it a valuable asset for anyone looking to enhance their communication.

FAQ

Q: What types of errors does the AI Grammar Checker identify?

A: The tool identifies grammar, spelling, punctuation, and writing style errors.

Q: Is this grammar checker free to use?

A: Yes, this AI Grammar Checker is completely free to use.

Q: How quickly does the tool provide suggestions?

A: The tool provides instant suggestions for improving your writing.

Q: Can this tool help with writing style improvements?

A: Yes, in addition to correcting errors, it offers suggestions to enhance your overall writing style.