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openbci-mcp: Instructions file for Claude Code

CLAUDE.md

openbci-mcp CLAUDE.md is an instructions file for Claude Code from sandraschi/openbci-mcp. It costs 262 tokens per session, scanned A, original, MIT.

Project instructions for an application that connects a Python server to OpenBCI brain-sensing hardware and a web interface. They document the main files, local commands, security rules, and checks for formatting, types, and tests.

In plain words
What is it for?
Use them when developing or testing the OpenBCI server, web interface, device triggers, and local development setup.
Why use it?
They give a coding agent the repository's structure and rules before it changes code, reducing avoidable mistakes in a hardware-connected project.

Instructions file for Claude Code

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

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

not rated 2repo today A scan 262 tokens original MIT
View source ↗ sandraschi/openbci-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to sandraschi/openbci-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/sandraschi/openbci-mcp/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/sandraschi/openbci-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
<a href="https://agentmods.dev/instructions/sandraschi/openbci-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/sandraschi/openbci-mcp/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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/sandraschi/openbci-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/sandraschi/openbci-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 262 This file is loaded in full into every session.
When invoked 262 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 $0.00262 $0.00262
Opus 5.5 $0.00105 $0.00105
Sonnet 5.5 $0.00052 $0.00052
Haiku 4.5 $0.00026 $0.00026

Measured 26d ago against content hash 79d3d7396db0, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

openbci-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 26d 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 · 10 lines

What it actually says

CLAUDE.md (openbci-mcp)

FastMCP+BrainFlow OpenBCI server. Package openbci_mcp under src/.

  • Backend 10759 (uv run openbci-mcp --serve), frontend 10758 (npm --prefix web_sota run dev), launcher web_sota/start.ps1 (root start.bat delegates).
  • Gates: just gates (ruff + pyright + pytest). Web: npm --prefix web_sota run biome:ci, npm --prefix web_sota run build.
  • Standards: fleet AGENTS.md chain; no allow_origins=["*"] ever; same-origin /api in webapp (Tauri gate only exception); every tool returns message.
  • Key files: src/openbci_mcp/app.py, board_manager.py, trigger_engine.py, resources.py, tools/, prompts.py, docs/OSC_INTEGRATION.md (timing!), docs/ONBOARDING.md.
  • Hardware: synthetic board for tests (probe); close OpenBCI GUI before Cyton USB; triggers evaluate on a fixed 10 Hz hop (see OSC_INTEGRATION.md).
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. 26d ago First seen · 10 lines · 262 tokens per session scan A 79d3d7396db0

Subscribe to this mod's changes

openbci-mcp CLAUDE.md is an instructions file published in the GitHub repository sandraschi/openbci-mcp (2 stars, last pushed today), licensed MIT. It adds 262 tokens to every session, about $0.0010 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 2026-10-11.

Hardware and IoTTesting
Related

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