math-mcp: Instructions file for Claude Code

CLAUDE.md

math-mcp CLAUDE.md is an instructions file for Claude Code from andylbrummer/math-mcp. It costs 974 tokens per session, scanned A, original, MIT.

Project instructions for math-mcp, a collection of four servers for mathematical computing, physics simulations, molecular work, and machine learning. They describe setup, architecture, tests, formatting, and type checking.

In plain words
What is it for?
Use them to install dependencies, run CPU or GPU tests, test individual servers, format code, check types, and run coverage.
Why use it?
They give contributors concrete commands and conventions for developing and checking the repository.

Instructions file for Claude Code

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

This is andylbrummer/math-mcp's own configuration. It tells Claude Code how to work on math-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 math-mcp configures →

Reuse

Borrowing it

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

Made for: Claude Code.

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Per session 974 This file is loaded in full into every session.
When invoked 974 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 $0.00974 $0.00974
Opus 5.5 $0.00390 $0.00390
Sonnet 5.5 $0.00195 $0.00195
Haiku 4.5 $0.00097 $0.00097

Measured 1mo ago against content hash e63758672a2a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

math-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 · 134 lines

How it starts

The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

GPU-accelerated MCP (Model Context Protocol) servers for computational mathematics, physics simulations, and machine learning. The system provides 4 specialized MCP servers that enable AI assistants to perform real scientific computing.

Build & Development Commands

# Install all dependencies
uv sync --all-extras

# Install MCP servers in editable mode (required for entry points)
uv pip install --python .venv/bin/python \
  -e servers/math-mcp \
  -e servers/quantum-mcp \
  -e servers/molecular-mcp \
  -e servers/neural-mcp

# Run tests (CPU only)
uv run pytest -m "not gpu"

# Run all tests including GPU
uv run pytest

# Run tests for specific server
uv run pytest servers/math-mcp/tests/

# Run single test
uv run pytest servers/math-mcp/tests/test_symbolic.py::test_solve_quadratic

# Lint and format
uv run ruff check --fix .
uv run ruff format .

# Type checking
uv run mypy shared/ servers/

# Run pre-commit hooks
uv run pre-commit run --all-files

# Run with coverage
uv run pytest --cov=shared --cov=servers

Architecture

Workspace Structure

This is a uv workspace with 6 packages:

  • servers/: 4 MCP server implementations (math-mcp, quantum-mcp, molecular-mcp, neural-mcp)
  • shared/: 2 shared packages (mcp-common, compute-core)

Shared Packages

  • mcp-common: GPUManager (CUDA/CPU backend selection), TaskManager (async task handling), Config (KDL configuration)
  • compute-core: Unified NumPy/CuPy array interface, FFT operations, linear algebra

MCP Server Pattern

Each server follows this structure in servers/<name>/src/<name>/server.py:

from mcp.server import Server
mcp = Server("server-name")

# Storage for stateful objects (avoid passing large arrays)
_arrays: dict[str, np.ndarray] = {}

@mcp.tool()
async def tool_name(param: str) -> dict[str, Any]:
    """Tool description."""
    result_id = f"result://{uuid4()}"
    _results[result_id] = result
    return {"result_id": result_id}

Read the full file on GitHub · 134 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 First seen · 134 lines · 974 tokens per session scan A e63758672a2a

Subscribe to this mod's changes

math-mcp CLAUDE.md is an instructions file published in the GitHub repository andylbrummer/math-mcp (2 stars, last pushed 5mo ago), licensed MIT. It adds 974 tokens to every session, about $0.0039 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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