Klayout Draw
БесплатноНе проверенEnables AI assistants to create, edit, and view GDS layout files using KLayout, with tools for basic shapes and scripting.
Описание
Enables AI assistants to create, edit, and view GDS layout files using KLayout, with tools for basic shapes and scripting.
README
An MCP server for drawing GDS layouts with KLayout — generate, edit, and view layouts from an AI assistant such as Claude Code or Claude Desktop.
Layout geometry is built in-process with the standalone klayout Python module (no GUI needed). The installed KLayout application is launched only for viewing or manual editing.
Tools
| Tool | Purpose |
|---|---|
new_layout(top_cell, dbu) |
Start a new in-memory layout (coordinates in micrometers) |
add_box(layer, x1, y1, x2, y2, datatype) |
Add a rectangle |
add_polygon(layer, points, datatype) |
Add a polygon from [x, y] vertices |
add_path(layer, points, width, datatype) |
Add a path with width |
add_label(layer, x, y, text, datatype) |
Add a text label |
create_cell(name) / use_cell(name) |
Create/select the active drawing cell |
place_cell(cell, x, y, orient, nx, ny, dx, dy) |
Place an instance or array of a cell |
add_via(x, y, bottom_layer, top_layer, cut_layer, …) |
Via: cut array + enclosing metal |
add_wire(layer, points, width) |
Manhattan wire (auto L-corners) |
layout_info() |
Inspect current layout (layers, bbox, shape count) |
load_gds(path, top_cell?) |
Load an existing GDS/OASIS into the session for editing |
inspect_gds(path?) |
Per-layer shape count, area and bbox of a file or the session |
drc_check(rules, path?) |
Simple DRC: spacing / width / overlap / separation / enclosure |
save_gds(path, open_after) |
Write GDS/OASIS; optionally open in the editor |
open_layout(file_path) |
Open a file in KLayout (viewer) |
open_editor(file_path?) |
Open KLayout in editor mode, or a blank layout |
run_script(code) |
Run arbitrary Python with klayout.db (cell hierarchy, arrays, booleans, DRC, ...) |
Requirements
- Python ≥ 3.10
- The
klayoutandmcpPython packages (installed via the steps below) - The KLayout application — only needed for
open_layout/open_editor
Install
uv sync
Register with Claude Code
claude mcp add klayout -s user -- "<repo>/.venv/Scripts/python.exe" -m klayout_draw_mcp.server
On macOS/Linux use .venv/bin/python.
Usage
"Draw a 5×5 µm box on layer 1 and a 2 µm-wide path, then save to out.gds and open it."
Claude calls new_layout → add_box / add_path → save_gds(open_after=True).
You can also open and check an existing layout:
"Load chip.gds, check that M1 spacing ≥ 0.15 µm and that OD never overlaps POLY, and report violations."
Claude calls load_gds → inspect_gds → drc_check([...]), then edits and save_gds.
See Editing & DRC.
For anything beyond the basic shapes, run_script exposes the full klayout.db API.
Examples
Self-contained scripts in examples/. Each builds a layout with the
standalone klayout.db module and writes a GDS:
uv run python examples/cis_aps_pixel.py out.gds
You can also paste the body of a script's build() function into the run_script
tool. The scripts share one layer map (OD 3/0, POLY 6/0, NPLUS 4/0, METAL1 9/0, ...).
| Example | What it draws |
|---|---|
basic_shapes.py |
The four primitives: box, path, polygon, label |
nmos_transistor.py |
A single NMOS (active, poly gate, n+, contacts, M1 S/G/D) |
cmos_inverter.py |
A CMOS inverter: PMOS over NMOS, shared gate, Vdd/Vss rails |
cis_aps_pixel.py |
A 1 µm 4T CMOS image-sensor pixel, tiled as a 2×2 array |
Place & route skill
skills/klayout-pnr/ packages place-and-route recipes — row placement, power rails, and
an obstacle-aware maze (Lee) router — plus a SKILL.md workflow guide for assistants.
Copy it to your skills directory to have it auto-discovered:
cp -r skills/klayout-pnr ~/.claude/skills/
Documentation
Full docs (Getting Started walkthrough, examples, editing/DRC, place & route) are at https://geniuskey.github.io/klayout-draw-mcp/.
Note
run_script executes arbitrary Python locally, in-process. Only run scripts you trust.
Установить Klayout Draw в Claude Desktop, Claude Code, Cursor
unyly install klayout-draw-mcpСтавит в Claude Desktop, Claude Code, Cursor и VS Code — сам разбирается с npx, uvx и сборкой из исходников.
Впервые? Поставь CLI: curl -fsSL https://unyly.org/install | sh
Или настроить вручную
Выполни в терминале:
claude mcp add klayout-draw-mcp -- uvx klayout-draw-mcpFAQ
Klayout Draw MCP бесплатный?
Да, Klayout Draw MCP бесплатный — установка в пару кликов через Unyly без оплаты.
Нужен ли API-ключ для Klayout Draw?
Нет, Klayout Draw работает без API-ключей и переменных окружения.
Klayout Draw — hosted или self-hosted?
Self-hosted: сервер запускается локально на твоей машине командой из раздела установки.
Как установить Klayout Draw в Claude Desktop, Claude Code или Cursor?
Открой Klayout Draw на unyly.org, выбери вкладку своего клиента (Claude Desktop, Claude Code, Cursor) и нажми Install — конфиг сгенерируется автоматически, без правки JSON.
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