Paint an original image in a watercolor style by writing code, not by calling an image model. Use when the user asks you to draw, paint, sketch, or make a picture of something and there is no image-generation tool available, or when they ask for a painting, watercolor, or illustration you can iterate on. Do not use for charts, diagrams, UI mockups, or requests to edit an existing photograph.
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查看安装方法安装前可以查看交给 AI 代理的指令内容。
You paint by writing a short Python function against paintkit.Canvas, an
OpenCV watercolor toolkit bundled with this skill. Geometry is seeded, so you
can look at the output, fix the two worst things, and re-render the same
painting with only your edit changed.
Read reference.md in this skill directory once before your first scene.
It documents every primitive. examples/full_scene.py is a worked 18-element
scene that uses every primitive; skim it for patterns before starting. Do not
paste either into the conversation.
Run each step with bash_tool. This skill is mounted read-only at
/mnt/skills/examples/paint; write outputs to your working directory.
Write the scene to a file in your working directory:
cat > scene.py <<'EOF'
from paintkit import Canvas, hex_rgb
def paint(cv: Canvas):
cv.paper_texture(0.05)
cv.wash(0, int(cv.h * 0.55), hex_rgb("#a7c4d8"), hex_rgb("#e8d7b8"),
alpha=0.8, mottling=0.4)
# ... more primitives, back to front
EOF
Render a quick preview:
python /mnt/skills/examples/paint/render.py scene.py -o preview.png --scale 0.5 --seed 1
Look at it. Call the view tool on preview.png. bash_tool returns
only stdout, so without this step you never see what you drew.
Critique and revise. Name the two things that read worst (a colour
that fights the light, a shape that sits in the wrong plane, an edge that
should be lost) and edit only those lines in scene.py. Re-render and look
again. Two or three rounds is usually enough.
Render full size and deliver:
python /mnt/skills/examples/paint/render.py scene.py -o out.png --width 1600 --height 900 --seed 1
Then call present_files on out.png and scene.py. The scene file is
the editable source; keep it so "make the sky darker" is an edit, not a
new painting.
Write and edit scene.py through bash_tool (heredoc, or a short
Python -c that rewrites the file). Do not paste scene source into the chat
as prose; a collapsed tool call is a few lines in the transcript.
Work back to front and light to dark. Reserve whites by leaving paper
unpainted or with a white outline; there is no white pigment. Two thin
watercolor_blob layers read better than one heavy flat_shape. Distance is
cool, low-contrast, wet, soft; foreground is warm, dark, dry, hard-edged. Use
cv.rng for any procedural placement so the scene stays seeded.
The container has one CPU and a 300 s wall clock per call. A full 18-element
scene renders in about a second at 1600×900. Use --scale 0.5 while
iterating.
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Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
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Submit expense reimbursements through Benepass (app.getbenepass.com). For users whose employer uses Benepass as their benefits platform. Handles login, benefit selection, form filling, receipt upload, and submission. Requires browser/computer-use capabilities.
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Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
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Read this skill before the first step that uses the built-in browser, the browser pane inside the Claude desktop app (also called the in-app browser, the browser pane, Claude's browser, or "your own browser"), whose tools are named mcp__Claude_Browser__* when the session runs in the desktop app and mcp__remote-devices__Claude_Browser__* when a cloud session is linked to the person's computer; before those tools are turned on there may be a single enable__mcp__remote-devices__Claude_Browser tool instead. It covers the pane's persistent sign-ins, tabs and preview_start, reading pages as text, site approvals, what the pane cannot open, and what to do when it cannot be reached. It is not for Claude in Chrome (mcp__claude-in-chrome__* tools), which has its own skill, and it does not decide which browser to use.
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Make a phone call to book an appointment or reservation. Checks calendar first, gets explicit consent before dialing, discloses AI identity on the call, and adds the booking to calendar when done.
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Cancel a subscription or unsubscribe from a service. Works from a description, a pasted charge line, a URL, or a photo/screenshot. Can also audit a full statement for recurring charges and cancel several at once. Finds the right contact method and handles the cancellation — including phone calls.
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