elata-bio-sdk: Instructions file for Codex

AGENTS.md

elata-bio-sdk AGENTS.md is an instructions file for Codex, OpenCode from Elata-Biosciences/elata-bio-sdk. It costs 2,566 tokens per session, scanned A, original, MIT.

A coding guide for Elata SDK, a Rust and TypeScript monorepo for biosignal tools such as EEG headsets and heart-rate processing. A monorepo stores several related packages in one repository.

In plain words
What is it for?
Use it when building, testing, releasing, or changing the SDK, its WebAssembly bindings, device connections, native integrations, or demo projects.
Why use it?
It explains the repository's layout and the required commands and documents before making changes that may affect multiple languages or generated files.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is Elata-Biosciences/elata-bio-sdk's own configuration. It tells Codex and OpenCode how to work on elata-bio-sdk 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 elata-bio-sdk configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Elata-Biosciences/elata-bio-sdk. 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/Elata-Biosciences/elata-bio-sdk/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/Elata-Biosciences/elata-bio-sdk

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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Per session 2,566 This file is loaded in full into every session.
When invoked 2,566 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 $0.02566 $0.02566
Opus 5.5 $0.01026 $0.01026
Sonnet 5.5 $0.00513 $0.00513
Haiku 4.5 $0.00257 $0.00257

Measured 1mo ago against content hash b7ca0befa6a1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

elata-bio-sdk AGENTS.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.

AGENTS.md · 218 lines

How it starts

The opening of the file, as written. The whole thing — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AI Agent Guide

This file is for AI coding agents working in this repository. Use it as a practical playbook for understanding the repo, choosing the right workflow, and avoiding common mistakes.

What This Repo Is

Elata SDK is a mixed Rust + TypeScript monorepo for biosignal tooling:

  • EEG core crates and WASM bindings
  • Web Bluetooth EEG headset transport (eeg-web-ble; Muse built-in, extensible)
  • rPPG processing for web
  • Native FFI layers for mobile/native clients
  • Demo scaffolding via create-elata-demo

The repo is not a generic JS monorepo. Many changes cross Rust, generated WASM, TypeScript wrappers, demo apps, and release tooling.

First Things To Read

When starting work, orient with these files first:

For package-specific work, read the nearest package README and package.json before changing code.

Treat docs/implementation-plan-*.md as planning or historical context unless they clearly match the current code. For operational truth, prefer run.sh, package package.json scripts, package READMEs, and maintainer/scaffolding docs.

Repo Map

  • crates/: Rust crates for EEG, rPPG, protocol support, FFI, and bridges
  • packages/eeg-web: TS wrapper around generated EEG WASM bindings
  • packages/eeg-web-ble: Web Bluetooth transport for EEG headbands — src/transport/ (BleTransport) vs src/devices/muse/ (Muse protocol); open to additional src/devices/ modules
  • packages/rppg-web: TS wrapper and demo tooling for the rPPG pipeline
  • packages/rppg-models-web: optional ONNX waveform-reconstruction adapter for rppg-web
  • packages/ppg-web: Muse PPG heart-rate/HRV estimation over HeadbandFrameV1
  • packages/app-metrics: per-user metrics storage for sandboxed appstore apps
  • packages/app-payments: in-app purchases for sandboxed appstore apps
  • packages/app-state: per-user, per-app key-value storage for sandboxed appstore apps
  • packages/biosignal-session: local-first biosignal session recording — contracts, MessagePort wire protocol, Arrow IPC chunk encoding
  • packages/biosignal-analytics: local analytics over recorded biosignals — metric registry, WASM EEG window features, HRV/statistics, headline scores
  • packages/create-elata-demo: published scaffolder for demo apps
  • eeg-demo/: in-repo EEG browser demo
  • ios-demo/, android-demo/: native demos
  • scripts/: helper scripts used by package and release flows
  • docs/: architecture, scaffolding, and release docs

Read the full file on GitHub · 218 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 · +41 lines · +630 tokens per session 5226b8f0c29a
  2. 2mo ago Changed · +20 lines · +347 tokens per session b7ca0befa6a1
  3. 2mo ago First seen · 198 lines · 2,219 tokens per session scan A 385f20cb1310

Subscribe to this mod's changes

elata-bio-sdk AGENTS.md is an instructions file published in the GitHub repository Elata-Biosciences/elata-bio-sdk (92 stars, last pushed 1mo ago), licensed MIT. It adds 2,566 tokens to every session, about $0.0103 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.

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