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WSC - Writing Style Checker

@theserverlessdev

About WSC - Writing Style Checker

Prose linter + AI-slop detector: weasel words, passive voice, hedging, and 190+ research-cited AI tells. Web editor, API, MCP server, CLI, GitHub Action.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "wsc": {
      "command": "npx",
      "args": [
        "wsc-mcp"
      ]
    }
  }
}

Tools

4

Analyze text for writing style issues: weasel words, passive voice, duplicate words, long sentences, nominalizations, hedging, filler adverbs, and research-cited AI tells. Read-only and stateless — text is analyzed in memory, never stored. Returns a plain-text report with each issue's line and column, the matched text, surrounding context, and the reason for AI tells; texts over 100,000 characters return an error message. Use this for text already in the conversation; use check_file for files on disk. It only reports issues — to auto-remove duplicate words, follow up with fix_duplicates.

Remove duplicate adjacent words (case-insensitive, including across line breaks) and return the cleaned text plus the list of words that were removed. Read-only with no side effects: the fix is returned in the response, nothing is written anywhere. Use after check_text or check_file reports duplicate words; other issue types are report-only and have no auto-fix.

Return every detector word/phrase list with its entry count, config key, and sample entries, plus a link to the full browsable library. Read-only, takes no parameters, and returns the same catalog for a given release. Use it to see what the detectors match before tuning a config for check_text or check_file; not needed for ordinary checking.

Read a UTF-8 file from local disk and analyze it for the same writing style issues as check_text (weasel words, passive voice, hedging, AI tells, and more). Read-only: the file is never modified, and Markdown files are automatically masked so code blocks and tables are not linted as prose. A .wscrc.json config is auto-discovered from the file's directory upward unless config is passed explicitly. Returns the same line-and-column report as check_text, or an error message for unreadable or oversized (over 100,000 characters) files. Use when the text lives on disk; use check_text for text already in the conversation.

Overview

What is Wsc?

Prose linter + AI-slop detector: weasel words, passive voice, hedging, and 190+ research-cited AI tells. Web editor, API, MCP server, CLI, GitHub Action.

How to use Wsc?

The README includes setup instructions such as npx wsc-mcp.

Key features of Wsc

  • Web Editor - Real-time highlighting with inline fix buttons for all 8 detectors
  • HTTP API - POST text with optional config, retrieve structured JSON responses
  • MCP Server (Remote) - Connect AI assistants via Streamable HTTP transport
  • MCP Server (Local) - Stdio-based server via wsc-mcp on npm
  • CLI - Check files from the command line via wsc-lint

Use cases of Wsc

  • Connect an MCP-compatible client to this repository's service.
  • Review the README-backed setup before enabling it in production.

FAQ from Wsc

Where is the source code for Wsc?

The source code is linked from the repository URL on this page.

Does Wsc include a standard MCP config?

If the README contains a parseable MCP configuration block, it is shown in the Config tab.

Frequently asked questions

Where is the source code for Wsc?

The source code is linked from the repository URL on this page.

Does Wsc include a standard MCP config?

If the README contains a parseable MCP configuration block, it is shown in the Config tab.

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