What is mcp-make-sound CLAUDE.md?

Project instructions for an MCP server that makes sounds. They specify development checks such as ESLint for code style and Vitest for automated tests.

Running the server, building it, checking TypeScript code, and running or fixing its unit tests.

They help contributors catch style problems and test failures before building or pushing changes.

How nocoo/mcp-make-sound configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to nocoo/mcp-make-sound. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/nocoo/mcp-make-sound/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/nocoo/mcp-make-sound

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/nocoo/mcp-make-sound/claude-md/github.svg)](https://agentmods.dev/instructions/nocoo/mcp-make-sound/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/nocoo/mcp-make-sound/claude-md"><img src="https://agentmods.dev/badge/instructions/nocoo/mcp-make-sound/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/nocoo/mcp-make-sound/claude-md"><img src="https://agentmods.dev/badge/instructions/nocoo/mcp-make-sound/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 448 This file is loaded in full into every session.

When invoked 448 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00448	$0.00448
Opus 5.5	$0.00179	$0.00179
Sonnet 5.5	$0.00090	$0.00090
Haiku 4.5	$0.00045	$0.00045

Measured 2mo ago against content hash 39cb45c21993, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mcp-make-sound CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 67 lines

What it actually says

MCP Make Sound - Development Guide

Code Quality Standards

This project uses ESLint for code quality and Vitest for testing.

Before Any Push to GitHub

ALWAYS run these commands before pushing changes:

npm run lint        # Check for code style issues
npm run test:run    # Run all unit tests

Fix any linting errors or test failures before proceeding with git operations.

Available Commands

Code Quality

npm run lint - Check code style and errors
npm run lint:fix - Auto-fix linting issues where possible

Testing

npm run test - Run tests in watch mode (for development)
npm run test:run - Run all tests once (for CI/validation)
npm run test:ui - Run tests with interactive UI

Development

npm run build - Compile TypeScript
npm run start - Run the MCP server
npm run dev - Development mode with auto-reload
npm run kill - Stop all running MCP server instances

Project Structure

src/
├── index.ts              # Main MCP server implementation
└── __tests__/            # Unit tests
    └── sound.test.ts     # Sound system tests

Testing Guidelines

All core functionality should have unit tests
Tests use Vitest with mocked system calls (no actual sounds during testing)
Tests validate input validation, error handling, and command generation
Coverage includes system sounds, TTS, file playback, and edge cases

Linting Rules

TypeScript strict mode enabled
Explicit function return types required
No any types allowed (use proper TypeScript types)
No unused variables
Follows ES2022+ standards

Workflow

Make changes to code
Run npm run lint and fix any issues
Run npm run test:run and ensure all tests pass
Commit changes
Push to GitHub

This ensures code quality and prevents breaking changes from being merged.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

2mo ago First seen · 67 lines · 448 tokens per session scan A 39cb45c21993

Subscribe to this mod's changes

mcp-make-sound CLAUDE.md is an instructions file published in the GitHub repository nocoo/mcp-make-sound (1 stars, last pushed 6mo ago), licensed MIT. It adds 448 tokens to every session, about $0.0018 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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mcp-make-sound: Instructions file for Claude Code