What is bitwig-mcp-server CLAUDE.md?

Project instructions for a server that lets Claude control Bitwig Studio, music-production software, through MCP and OSC, a communication protocol for sending control messages.

Use them when changing the Bitwig MCP server, including adding features, writing tests, checking types, linting, and formatting code.

They define the project's development process and the rules for building reliable tools, resources, caching, and error messages.

How WeModulate/bitwig-mcp-server configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to WeModulate/bitwig-mcp-server. 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/WeModulate/bitwig-mcp-server/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/WeModulate/bitwig-mcp-server

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

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Your own site

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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

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Per session 3,433 This file is loaded in full into every session.

When invoked 3,433 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	$0.03433	$0.03433
Opus 5.5	$0.01373	$0.01373
Sonnet 5.5	$0.00687	$0.00687
Haiku 4.5	$0.00343	$0.00343

Measured 2mo ago against content hash 63965b3aa9fb, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

bitwig-mcp-server 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 · 383 lines

How it starts

The opening of the file, as written. The whole thing — 383 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Bitwig MCP Server - Claude Code Guide

Project Overview

This project creates a server that allows Claude to control Bitwig Studio through the Model Context Protocol (MCP). It translates between MCP requests from Claude and OSC commands to Bitwig Studio's control API.

Project-Specific Guidelines

Development Workflow

For this project, follow these specific steps:

Use an incremental approach focusing on one feature at a time
Update/create appropriate tests for each change
Follow this test procedure for each change:
- Run pytest tests/ to verify changes
- Run mypy bitwig_mcp_server/ for type checking
- Run ruff check bitwig_mcp_server/ for linting
- Run black bitwig_mcp_server/ for code formatting

MCP Implementation Guidelines

Tools should follow the MCP Tool schema pattern
Each tool should map to one or more OSC commands
Error handling should be comprehensive and informative
Consider user experience when designing tool APIs
Resources should provide clear, structured information
Use URIs that follow a consistent pattern
Cache resource data appropriately to avoid excessive OSC traffic

External References

MCP SDK and Documentation

MCP python-sdk GitHub Repository: https://github.com/modelcontextprotocol/python-sdk
MCP documentation: https://modelcontextprotocol.io/
GitHub Repository: https://github.com/anthropics/anthropic-sdk-python
Documentation: https://docs.anthropic.com/

Project-specific references

coding guidelines: https://github.com/jxstanford/prompts-and-context/code
MCP development guidelines: https://github.com/jxstanford/prompts-and-context/mcp
Bitwig and OSC documentation: https://github.com/jxstanford/prompts-and-context/bitwig-mcp-server
Bitwig OSC Reference: https://github.com/git-moss/DrivenByMoss-Documentation/blob/master/Generic-Tools-Protocols/Open-Sound-Control-(OSC).md

Music Production Resources

Our prioritization of features is informed by standard music production workflows. For additional resources on music production workflows, consider the following common references:

Read the full file on GitHub · 383 lines

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 · 383 lines · 3,433 tokens per session scan A 63965b3aa9fb

Subscribe to this mod's changes

bitwig-mcp-server CLAUDE.md is an instructions file published in the GitHub repository WeModulate/bitwig-mcp-server (78 stars, last pushed 1y ago), licensed MIT. It adds 3,433 tokens to every session, about $0.0137 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 2026-08-30.

Creative and media

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bitwig-mcp-server: Instructions file for Claude Code