theserverlessdev/wsc

Overview

A prose linter that flags weasel words, passive voice, hedging, and 190+ research-cited AI tells. Available as a web editor, API, MCP server, CLI, and GitHub Action. Written in TypeScript.

Best for

Best for
Writers and teams who want to reduce vague or AI-typical prose

Use cases

• Catch weasel words and passive voice in drafts
• Flag AI-sounding phrases before publishing
• Integrate prose checks into CI with the GitHub Action

How to use

Install

npx wsc-mcp

Tools exposed

• check_text
• fix_duplicates
• list_word_lists
• check_file
• max-warnings
• only-changed

Tested with

Claude Desktop, Claude Code, VS Code

Notes

A prose linter that flags weasel words, passive voice, hedging, and 190+ research-cited AI tells. Available as a web editor, API, MCP server, CLI, and GitHub Action. Written in TypeScript.

5 stars on GitHub. Last updated 2026-07-24. Licensed MIT.

Use cases

• Catch weasel words and passive voice in drafts
• Flag AI-sounding phrases before publishing
• Integrate prose checks into CI with the GitHub Action

Pros

• Multiple interfaces cover local, server, and CI workflows
• Detection based on 190+ research-cited AI tells
• Open source and written in TypeScript

Cons

• Pattern-based detection can produce false positives on human writing
• Does not guarantee whether a text was written by AI
• Requires tuning to match your preferred style

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.