dynamiqs-dynamics

dynamiqs-dynamics is a skill for Claude Code, Codex from xi-zhao/OpenQuantum. It costs 50 tokens per session (883 once invoked), scanned A, original, MIT.

A local simulation for the time evolution of a driven, damped single qubit. It calculates population paths and how the final population changes as the drive changes, with optional independent and finite-difference comparisons.

In plain words
What is it for?
Use it to scan drive strengths, inspect ground or excited-state populations, and compare the result with a separate Lindblad calculation. A Lindblad model describes an open quantum system whose environmental effects are represented by decay terms.
Why use it?
It helps study drive, detuning, and decay without using quantum hardware. The comparisons can reveal numerical disagreement, but the gradients only show local sensitivity and do not prove an optimal control.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to scan drive strengths, inspect ground or excited-state populations, and compare the result with a separate Lindblad calculation. A Lindblad model describes an open quantum system whose environmental effects are represented by decay terms.

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Install with agentmods
npx agentmods add skills/xi-zhao/openquantum/dynamiqs-dynamics
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add xi-zhao/OpenQuantum --skill dynamiqs-dynamics
Clone the repo
git clone --depth 1 https://github.com/xi-zhao/OpenQuantum

Made for: Claude Code, Codex.

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.

agentmods badge for dynamiqs-dynamics

README.md
[![agentmods](https://agentmods.dev/badge/skills/xi-zhao/openquantum/dynamiqs-dynamics/github.svg)](https://agentmods.dev/skills/xi-zhao/openquantum/dynamiqs-dynamics)
Your own site
<a href="https://agentmods.dev/skills/xi-zhao/openquantum/dynamiqs-dynamics"><img src="https://agentmods.dev/badge/skills/xi-zhao/openquantum/dynamiqs-dynamics/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.

agentmods 80×15 button for dynamiqs-dynamics

Your own site · 80×15
<a href="https://agentmods.dev/skills/xi-zhao/openquantum/dynamiqs-dynamics"><img src="https://agentmods.dev/badge/skills/xi-zhao/openquantum/dynamiqs-dynamics.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 883 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00050 $0.00883
Opus 5.5 $0.00020 $0.00353
Sonnet 5.5 $0.00010 $0.00177
Haiku 4.5 $0.00005 $0.00088

Measured 4d ago against content hash 4c4801a212b2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dynamiqs-dynamics 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 4d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (mcp/bridge.py, mcp/contracts.mjs, mcp/server.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/skills/dynamiqs-dynamics/SKILL.md · 38 lines

What it actually says

Dynamiqs 动力学与梯度

原生 SDK 路径

本能力同时支持 Dynamiqs 的原生公开 API。用户需要 任意维数与复合系统、时变算符、sesolve、mesolve、批处理与自动微分 时,由 Agent 在固定依赖环境中编写和运行任务代码,不限于下文便捷 Tool 的预设模型。

使用 node scripts/sdk-access.mjs inspect dynamiqs-dynamics 定位环境,按完整 SDK 工作流执行。模块导航:dynamiqs、jax;导航不是 API 白名单。

显式选择 JAX 数值精度和 target;需要 float64 时在建立数组前启用 jax_enable_x64。CPU、GPU 选择按任务与已安装后端决定。

下文关于模型、门集、输入与预算的限制描述便捷 Tool 的合同;原生 SDK 另受上游版本、可选依赖、宿主资源与用户授权约束。已禁用或被拒绝的动作不能借代码路径绕过。执行状态和科研验收分别报告。

通过 Harness 注册的 dynamiqs_local.simulate_dynamiqs_dynamics 执行。适用于研究驱动、失谐和振幅衰减怎样影响单量子位人口;模型为单量子位恒定驱动,计算设备由已安装的 JAX 后端与用户环境选择。

  • 模型为 H=(drive X+detuning Z)/2、L=sqrt(gamma)|0><1|,hbar=1。用户选择一致的时间单位,驱动和失谐使用相应角频率;不要混用 Hz 与 rad/s。
  • drives 指定驱动幅度批次;初态 ground/excited/plus 指计算基态、激发态或 X 正本征态。衰减率非负,时长与时间网格由输入决定。
  • Tool 返回每条人口轨迹、末态人口对驱动的梯度、可选独立 SciPy 参考和有限差分偏差。说明梯度是固定失谐、衰减率和时长下的局部灵敏度;不能据此宣称找到最优控制。
  • 解释结果时同时查看状态迹、最小本征值和两类偏差。明显不一致时报告数值问题,不把成功返回当成正确。
  • 当前仅 L1,scientificValidation=not_evaluated。依赖须显式准备;计算可能写本地缓存;无 QPU、凭据或数据外发接口。

版本、安装与证据见 接入说明。

独立参考使用 referenceMode=auto|required|skip:auto 按默认阈值选择参考,required 使用调用方资源尝试所请求规模,skip 跳过。未执行时 reference.status=not_run,参考值和差异为 null;尝试后失败会返回错误。

单量子位模型的驱动批次、演化时间和时间网格由调用方选择,适配器不额外设置人工规模上限。具体资源配置见本地计算说明。

依赖准备

运行前执行 node scripts/setup-paper-tools.mjs dynamiqs-dynamics。缺失、旧锁和已安装环境的处理见共同准备说明;Tool 不自动安装或升级依赖。

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 4d ago Changed · +13 lines 4c4801a212b2
  2. 22d ago Changed · +4 lines ed99fb4ef80d
  3. 1mo ago First seen · 21 lines · 50 tokens per session scan A 0023e4a85959

Subscribe to this mod's changes

dynamiqs-dynamics is a skill published in the GitHub repository xi-zhao/OpenQuantum (75 stars, last pushed yesterday), licensed MIT. It adds 50 tokens to every session and 883 once invoked, about $0.0002 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 2026-09-15.

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