resolume-mcp-server: Instructions file for Claude Code

CLAUDE.md

resolume-mcp-server CLAUDE.md is an instructions file for Claude Code from mackatwentytsuru/resolume-mcp-server. It costs 2,602 tokens per session, scanned A, original, MIT.

Repository instructions for a server that lets AI tools control Resolume, software used to create live visual performances. They describe the server's architecture, folders, network connections, and design rules.

In plain words
What is it for?
Understanding and developing the Node.js MCP server, its HTTP and WebSocket connections, and its OSC network messages to Resolume.
Why use it?
They explain how the AI tool, server, and Resolume communicate, reducing guesswork when changing or debugging the project.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code.

This is mackatwentytsuru/resolume-mcp-server's own configuration. It tells Claude Code how to work on resolume-mcp-server itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything resolume-mcp-server configures →

Reuse

Borrowing it

Nothing to install: this file belongs to mackatwentytsuru/resolume-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/mackatwentytsuru/resolume-mcp-server/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/mackatwentytsuru/resolume-mcp-server

Made for: Claude Code.

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Per session 2,602 This file is loaded in full into every session.
When invoked 2,602 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.02602 $0.02602
Opus 5 $0.01301 $0.01301
Sonnet 5 $0.00520 $0.00520
Haiku 4.5 $0.00260 $0.00260

Measured 12d ago against content hash 9c6b183413ac, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

resolume-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 12d 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 · 137 lines

How it starts

The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Resolume MCP Server — Project Context

概要

Resolume Arena/Avenue VJ ソフトウェアを Claude などの LLM から自然言語で操作するための MCP サーバー。

アーキテクチャ

LLM (Claude) <--stdio--> MCP Server (Node.js) ──HTTP/WS─→ Resolume Web Server (8080)
                                              ──UDP/OSC─→ Resolume OSC IN/OUT (7000/7001)

Resolume の Web Server は Preferences > Web Server で有効化可能。デフォルトで http://127.0.0.1:8080 を listen。 OSC は Preferences > OSC で有効化。MCP は OSC IN port (default 7000) に送信、OSC OUT port (default 7001) を listen。

ディレクトリ構成

resolume-mcp-server/
├── src/
│   ├── index.ts                    # stdio エントリポイント
│   ├── config.ts                   # 環境変数からの設定ロード
│   ├── resolume/
│   │   ├── client.ts               # 高レベルファサード (validation, summary)
│   │   ├── rest.ts                 # 型付き REST クライアント (fetch + abort)
│   │   ├── osc-codec.ts            # OSC 1.0 encoder/decoder (deps なし)
│   │   ├── osc-client.ts           # stateless UDP send/query/subscribe/probe
│   │   └── types.ts                # Zod スキーマ + TS 型
│   ├── tools/
│   │   ├── types.ts                # ToolDefinition + ToolResult 型
│   │   ├── index.ts                # 全ツール集約 (型消去)
│   │   ├── composition/get-composition.ts
│   │   ├── clip/{trigger,select,get-thumbnail}.ts
│   │   ├── layer/{set-opacity,clear-layer}.ts
│   │   └── osc/{send,query,subscribe,status}.ts
│   ├── server/
│   │   └── registerTools.ts        # SDK サーバーへのツール登録 + エラー整形
│   └── errors/
│       └── types.ts                # ResolumeError tagged union + マッパー
└── tests are colocated as *.test.ts next to source

設計原則

1. ハンドラ → ファサード → REST の3層分離

  • ツールハンドラは ResolumeClient ファサードのメソッドだけ呼ぶ。生 fetch は触らない。
  • ResolumeClient が Zod パース + 1-based インデックス検証を担当。
  • ResolumeRestClient は HTTP 実装の詳細(タイムアウト, abort, content-type)を吸収。

2. エラーは LLM が自己修復可能な形に

  • ResolumeApiErrordetail は tagged union で kind を持つ。
  • 各 kind は hint フィールドに次にすべきことを書く。
  • mapHttpError(path, status, body)mapNetworkError(path, err) で正規化。
  • ツール側では throw → safeHandle が JSON で isError: true 付き結果に変換。

Read the full file on GitHub · 137 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.

  1. 12d ago First seen · 137 lines · 2,602 tokens per session scan A 9c6b183413ac

Subscribe to this mod's changes

resolume-mcp-server CLAUDE.md is an instructions file published in the GitHub repository mackatwentytsuru/resolume-mcp-server (2 stars, last pushed 4mo ago), licensed MIT. It adds 2,602 tokens to every session, about $0.0130 per session on Opus 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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