mqt-debugger

mqt-debugger is a skill for Claude Code, Codex from xi-zhao/OpenQuantum. It costs 51 tokens per session (540 once invoked), scanned A, original, MIT.

An MQT Debugger coding skill for inspecting OpenQASM programs, a text format for describing quantum circuits, through step-by-step simulation. It supports assertions, impact analysis, and error diagnosis.

In plain words
What is it for?
Use it to step through circuits, check state, entanglement, and equality assertions, identify affected operations, and investigate likely errors.
Why use it?
It helps locate where a quantum program’s state or relationships between qubits stop matching expectations, without treating a suggested cause as proof of the root problem.

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 step through circuits, check state, entanglement, and equality assertions, identify affected operations, and investigate likely errors.

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Install with agentmods
npx agentmods add skills/xi-zhao/openquantum/mqt-debugger
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 mqt-debugger
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 mqt-debugger

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/xi-zhao/openquantum/mqt-debugger"><img src="https://agentmods.dev/badge/skills/xi-zhao/openquantum/mqt-debugger.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 540 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 $0.00051 $0.00540
Opus 5.5 $0.00020 $0.00216
Sonnet 5.5 $0.00010 $0.00108
Haiku 4.5 $0.00005 $0.00054

Measured 3d ago against content hash 47eebd2f6a32, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mqt-debugger 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 3d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (references/native-example.py), 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/mqt-debugger/SKILL.md · 32 lines

What it actually says

MQT Debugger

原生 SDK 路径

本能力使用 MQT Debugger 的原生公开 API。用户需要 OpenQASM 程序、单步仿真、断言、影响范围与错误诊断 时,由 Agent 在固定依赖环境中编写和运行任务代码。

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

状态/纠缠/等式断言与候选错误原因分别解释,诊断提示不是唯一根因证明。DAP 或真实 QPU 检查需要相应入口和授权。

本入口复用宿主文件与代码工具,没有新增通用执行 Tool。原生 SDK 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。

状态/纠缠/等式断言与候选错误原因分别解释,诊断提示不是唯一根因证明。DAP 或真实 QPU 检查需要相应入口和授权。

按固定版本的公开文档和签名选择方法;输入、算法与资源预算由任务决定。该 Skill 通过原生 SDK 工作台和宿主代码工具执行自定义程序,没有新增通用执行服务或专用计算 Tool。

保留程序、输入、完整结果、依赖锁摘要和实际检查。原生 API 的执行不推导最终科学验收,scientificValidation=not_evaluated。

上游源码与文档入口。

原生程序示例

固定版本的可编辑程序展示公开 API 的使用方式,参数与模型可按研究任务修改。先显式准备环境,再在独立任务目录运行,保留结果文件;示例检查不构成最终科学验收。

Files

What ships with it

3 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. 3d ago First seen · 32 lines · 51 tokens per session scan A 47eebd2f6a32

Subscribe to this mod's changes

mqt-debugger is a skill published in the GitHub repository xi-zhao/OpenQuantum (75 stars, last pushed yesterday), licensed MIT. It adds 51 tokens to every session and 540 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 2026-10-14.

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