Advertise
MCP.so
Sign In

Cynical Sally MCP Server

@w1ckedxt

Repository

Basic information

Category

Developer Tools

Transports

stdio

Author

w1ckedxt

Submitted by

Thomas Geelens

About Cynical Sally MCP Server

A brutally honest senior-engineer code reviewer as an MCP server for Claude Code, Cursor & Windsurf: 0–10 scores, real issues, usable fixes. 8 tools, free tier, no account needed.

#code-review#mcp#ai#developer-tools#cli#claude#cursor

Cynical Sally MCP Server config

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

{
  "mcpServers": {
    "cynical-sally": {
      "command": "npx",
      "args": [
        "-y",
        "@cynicalsally/cli",
        "mcp"
      ]
    }
  }
}

Cynical Sally MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Cynical Sally?

Cynical Sally is a brutally honest senior-engineer code reviewer that runs in your terminal and as an MCP server for Claude Code, Cursor, and Windsurf. It provides a 0–10 score with evidence-backed issues and actionable fixes, delivering unfiltered senior-engineer feedback.

How to use Cynical Sally?

Install the CLI globally with npm install -g @cynicalsally/cli and run sally roast ./src/. For Claude Code, add it as an MCP server using claude mcp add cynical-sally -- npx @cynicalsally/cli mcp. No account is required for the free tier.

Key features of Cynical Sally

  • Scores code 0–10 with evidence-backed issues.
  • Eight specialized tools: roast, explain, review-pr, refactor, brainstorm, frontend, marketing, usage.
  • Free tier includes 90 roasts per month, no account needed.
  • Works in terminal and as MCP server for Claude Code, Cursor, and Windsurf.
  • Provides actionable fixes alongside honest criticism.

Use cases of Cynical Sally

  • Getting brutally honest feedback on code quality before opening a pull request.
  • Using the review-pr tool to evaluate pull requests with evidence.
  • Refactoring code with the refactor tool based on senior-level suggestions.
  • Brainstorming architectural or design solutions with the brainstorm tool.
  • Generating frontend ideas or marketing copy via dedicated tools.

Frequently asked questions

1

How do I install Cynical Sally?

Install globally via npm: `npm install -g @cynicalsally/cli`, then run `sally roast ./src/`. To add it as an MCP server for Claude Code, use `claude mcp add cynical-sally -- npx @cynicalsally/cli mcp`.

2

What is the free tier limit?

The free tier provides 90 roasts per month with no account needed.

3

What tools does Cynical Sally provide?

Eight tools: roast, explain, review-pr, refactor, brainstorm, frontend, marketing, and usage.

4

How does Cynical Sally differ from other code reviewers?

It delivers brutally honest senior-engineer feedback with a 0–10 score and evidence-backed issues, not polite approval or vague praise.

5

What runtimes or dependencies are required?

Node.js and npm are required. The server works as an MCP server for Claude Code, Cursor, and Windsurf, or as a standalone CLI.

Comments

More Developer Tools MCP servers

discoverGPT

Joe Monastiero

discoverGPT is visualAI's MCP gateway for AI commerce: one connection gives Claude 40 tools spanning product search, data-quality review, AI-discovery feeds, and virtual try-on, all backed by a single canonical product c

Perfex CRM

themesic

Turn Perfex CRM into an AI-ready workspace. This MCP server exposes your full REST API to Claude, ChatGPT and any AI agent, so leads, invoices and tasks are one prompt away.

1

Cronwatch

cronwatchdev

CronWatch records every run of your scheduled jobs in your own database, and speaks up when one is missed, fails, gets stuck, runs slow or costs too much. CronWatch is free and open-source.

31

Just Domain.

Just.

Just Domain is the domain registrar for businesses built with AI. An AI assistant checks availability and both prices, first year and renewal, and hands back a checkout link for justdomain.ai. Read only by design: no pur

Reelier

Maxime Houle

Agents make claims. Reelier writes receipts — record an agent's tool-call workflow once, replay it deterministically at 0 tokens, and diff runs to catch drift.

Advertise