Keil MDK Firmware Flasher Agent Skill

Deploys compiled firmware to embedded target boards using Keil MDK's native debugger and Flash algorithms.

Context cost
1.4k tokensestimated from the bundle, loaded when it triggers
Bundle
4 files · 18.0 kB1 script among them — read before you run
Licence
MITthe author’s own terms
Last change
—no release on file
Servers it uses
Noneruns standalone

What it does

当需要通过 Keil MDK 内置调试器烧录固件到目标板时使用,利用工程中已配置的调试器和 Flash 算法执行下载。

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

devops
Filed under

Cloud & DevOps

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md2.9 kB · preview
--- name: flash-keil ---
6# Keil MDK 烧录
7
8## 适用场景
9
10- Project Profile 中标明 build_system: keil 或工作区中存在 .uvprojx / .uvproj 文件。
11- 用户希望将编译产物烧录到目标板,且工程已在 Keil 中配置好调试器(ST-Link、J-Link、CMSIS-DAP 等)。
12- 不需要额外安装 OpenOCD,直接使用 Keil MDK 内置的 Flash Download 功能。
13
14## 必要输入
15
16- .uvprojx / .uvproj 工程文件路径(或从 Project Profile 获取)。
17- 可选的构建目标名称和 UV4.exe 路径。
18
19## 自动探测
20
21- 复用 build-keil 的 UV4.exe 探测逻辑(配置文件 → 环境变量 → 常见路径 → PATH)。
22- 解析工程 XML 中的 <DriverSelection> 识别调试器类型(ST-Link、J-Link、CMSIS-DAP、ULINK)。
23- 若未指定目标,默认使用工程中的第一个 Target。
24
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md203 words
Files4
LicenceMIT
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈20
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
1,380
on trigger
The instruction body and 3 supporting files, read only when the skill fires.
0.70%
of a 200k window
Ten skills this size would take about 7% of the window before you open a file.
050k100k150k200k context window

1.4k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Middling. Fine to keep on in a project where you use it weekly, worth unloading in one where you never do.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

Its SKILL.md does not declare which tools it asks the agent for, so what it touches is whatever the instructions themselves ask for — read them before you install it.

What it asks for
Writes filesnot declared
Network accessnot declared

This SKILL.md carries no allowed-tools line, so neither is declared. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

4 files, 18.0 kB on disk. Mostly text — the instructions the model reads — with 1 script in it that your client would run only if the instructions tell it to.

  • SKILL.md2.9 kB
  • agents/openai.yaml0.3 kB
  • references/usage.md2.4 kB
  • scripts/keil_flasher.py12.4 kB
What is not in it

A skill installs nothing and depends on nothing: it is a folder your client reads. This one carries 1 script beside the text, so the bundle is 4 files you can review in full before installing. The MIT licence covers the templates and examples as well as the instructions.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Keil MDK Firmware Flasher · 1.4k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/keil-mdk-firmware-flasher/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/keil-mdk-firmware-flasher" ] && { [ ! -e .claude/skills/keil-mdk-firmware-flasher ] || { mv .claude/skills/keil-mdk-firmware-flasher "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/keil-mdk-firmware-flasher" .claude/skills/ && echo "Installed .claude/skills/keil-mdk-firmware-flasher"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add duncanyoung-1/keil-mdk-firmware-flasher

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/keil-mdk-firmware-flasher/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/keil-mdk-firmware-flasher/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/keil-mdk-firmware-flasher" ] && { [ ! -e ~/.claude/skills/keil-mdk-firmware-flasher ] || { mv ~/.claude/skills/keil-mdk-firmware-flasher "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/keil-mdk-firmware-flasher" ~/.claude/skills/ && echo "Installed ~/.claude/skills/keil-mdk-firmware-flasher" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/keil-mdk-firmware-flasher/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where. It appears as flash-keil in Gemini CLI, Codex, Copilot and Grok (its own name); Claude Code lists it by the folder name, keil-mdk-firmware-flasher.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Versionnot versioned
Publishedno release date on file
PriceFree
Referenceduncanyoung-1/keil-mdk-firmware-flasher

Versions

Its author publishes no version number, so there is nothing here to pin to: what you install is the folder as it stands today. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

Pinning

Nothing to pin to: this skill carries no version number of its own. What you install is what the folder holds on the day you install it.

Reviews

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