Tool-MaterialMaker-MCP: Instructions file for Claude Code

CLAUDE.md

Tool-MaterialMaker-MCP CLAUDE.md is an instructions file for Claude Code from graysonchalmers/Tool-MaterialMaker-MCP. It costs 1,350 tokens per session, scanned A, original, MIT.

Project instructions for Tool-MaterialMaker-MCP, a tool that lets Claude create Material Maker node graphs, render them without opening the app, and return editable .ptex texture files. Material Maker is software for building procedural textures.

In plain words
What is it for?
Guiding development, checking project status, planning changes, and recording handoffs between agent sessions.
Why use it?
It gives coding agents the project rules, required documents, and verified facts they need when working on this tool.

Instructions file for Claude Code

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

This is graysonchalmers/Tool-MaterialMaker-MCP's own configuration. It tells Claude Code how to work on Tool-MaterialMaker-MCP 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 Tool-MaterialMaker-MCP configures →

Reuse

Borrowing it

Nothing to install: this file belongs to graysonchalmers/Tool-MaterialMaker-MCP. 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/graysonchalmers/Tool-MaterialMaker-MCP/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/graysonchalmers/Tool-MaterialMaker-MCP

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.

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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.

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Per session 1,350 This file is loaded in full into every session.
When invoked 1,350 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 $0.01350 $0.01350
Opus 5.5 $0.00540 $0.00540
Sonnet 5.5 $0.00270 $0.00270
Haiku 4.5 $0.00135 $0.00135

Measured 1mo ago against content hash 9cf9f99e1ab9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Tool-MaterialMaker-MCP 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 1mo 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 · 91 lines

How it starts

The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md — Tool-MaterialMaker-MCP

Standing instructions for agent sessions on this project.

What this is

An MCP server (Python) that lets Claude author Material Maker node graphs, render them headlessly, and return editable .ptex files. Read docs/superpowers/specs/2026-08-25-material-maker-mcp-design.md for the full design before making changes.

Read docs/NORTH_STAR.md before proposing new scope — this is a round-trip learning tool (assistant drafts, human tweaks the real graph in Material Maker), not a one-shot texture generator. If a change doesn't serve that loop, check with Grayson before building it.

The baton

  • HANDOFF.md is the session baton. Read it at pickup, write it at wrap-up.
  • STATUS.md is the gate ledger. Three states only: verified, wired, not started.
  • docs/PLAN.md holds the phase plan and exit gates.
  • Baton shape (adopted 2026-09-05 after teardown #3 found the baton had become the archive): HANDOFF.md's "Current state" describes the latest session only; older sessions are one line each in the session log (max 8 entries); "Heads-up" is a bounded list of live gotchas, dropped once a mechanism makes one moot. STATUS.md cells hold state + one line + an evidence pointer; corrections and narrative go to the session log or git log, never into a cell. There is no archive file: git history is the archive (every session ends with a docs: wrap-up commit, so git log --grep finds it).
  • Never type counts (materials, categories, tools) into README.md by hand; tests/test_readme_counts.py recomputes them from the tree and the wording it parses is fixed. Change the tree, then the number.

Environment (this machine)

  • Shell is PowerShell 5.1. Use ; to sequence, Push-Location/Pop-Location, and & "C:\path\tool.exe" for quoted executables. && is a parse error.
  • Python: C:\Program Files\Python313\python.exe (Python 3.13).
  • Godot 4.7.1: C:\Users\Grayson\AppData\Local\Godot\Godot_v4.7.1-stable_win64.exe.
  • Material Maker project checkout: C:\Projects-local\z-Git\material-maker (pristine upstream, do not modify in Phase 1).
  • Config lives in .env (copy from .env.example). Never echo its contents.

Read the full file on GitHub · 91 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. 1mo ago Changed · +19 lines · +255 tokens per session 9cf9f99e1ab9
  2. 2mo ago Changed · +6 lines · +106 tokens per session 5ba61216d38d
  3. 2mo ago First seen · 66 lines · 989 tokens per session scan A 1e7fa2832d22

Subscribe to this mod's changes

Tool-MaterialMaker-MCP CLAUDE.md is an instructions file published in the GitHub repository graysonchalmers/Tool-MaterialMaker-MCP (11 stars, last pushed 11d ago), licensed MIT. It adds 1,350 tokens to every session, about $0.0054 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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