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Cynicalsally

Cynicalsally is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Brutally honest code reviews: scores, real issues, and usable fixes. It has 101 GitHub stars, is released under the MIT license and runs locally with npx -y @cynicalsally/cli.

github.com/w1ckedxt/cynical-sally (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install Cynicalsally

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "cynicalsally": {
      "command": "npx",
      "args": [
        "-y",
        "@cynicalsally/cli"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio cynicalsally -- npx -y @cynicalsally/cli

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "cynicalsally": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cynicalsally/cli"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "cynicalsally": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cynicalsally/cli"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (8)

Parsed from the Tools section of the README; check the repository for the current list.

  • sally_roast

    Code review with score, issues, and fixes

  • sally_explain

    Explain code with Sally's personality

  • sally_review_pr

    Review PR diffs

  • sally_refactor

    Refactoring suggestions with before/after

  • sally_brainstorm

    Feedback on ideas and approaches

  • sally_frontend

    Frontend/UI code review

  • sally_marketing

    Marketing copy review

  • sally_usage

    Check quota and account status

About Cynicalsally

Brutally honest code reviews. In your terminal and your AI editor. Because "You're absolutely right" is probably absolutely wrong. npm i -g @cynicalsally/cli · MCP server for Claude Code, Cursor & Windsurf

  • cli
  • explain
  • mcp
  • refactor
  • sally
  • cynicalsally
  • ai
  • ai-code-review
  • claude
  • claude-code

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FAQ

Cynicalsally FAQ

Still curious? Email info@appsgit.com.

How do I install the Cynicalsally MCP server?

Add the command npx -y @cynicalsally/cli to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Cynicalsally free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Cynicalsally actively maintained?

The most recent commit was on Jul 4, 2026. The latest release is v0.7.0, published Jul 2, 2026. appsgit only lists MCP servers with a commit in the last six months.