dashmotion

Dashmotion

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Diagrams that move.

A Claude skill for animated technical diagrams — from plain English or Mermaid, as one self-contained HTML/SVG file.

Turn a plain-English description — or a Mermaid source — into an animated diagram: one HTML/SVG file, no dependencies, where dashed connectors stream in the direction of execution and light dots travel through the system like requests in flight. The style you see on modern infra landing pages (Diagrid, Temporal, Inngest).

▶ Watch real diagrams run live → — unedited skill output, not a video.

⭐ If dashmotion saved you from hand-drawing a diagram, a star helps others find it.

Two modes

What it does

The name is the implementation: stroke-dashoffset offset animation + animateMotion paths — no libraries, no GIF rendering, no design tools.

• Inputs (today): a natural-language description, or a Mermaid flowchart / graph / stateDiagram-v2 source — the same animated result either way.
• Output styles (today): Flow — workflows, pipelines and state machines, where execution visibly streams from START to END through branches and merges; and Architecture — systems and topology, with semantic component colors, region/security boundaries, a legend, and the differentiator: animated request journeys, a dot hopping client → gateway → service → database and back.
• Refine in plain language: "make the auth path stand out", "put Redis next to Postgres", "split the workers into a second diagram."
• The output is dependency-free: one HTML file — vector, loops forever, a few KB, opens in any browser.

Quick start

Then just ask — one sentence is enough to see it work:

Use dashmotion to draw a simple 3-step login flow.

The two longer prompts below generated the demos at the top — paste either to reproduce it:

Flow — the left demo:

Use dashmotion to visualize our CI/CD pipeline: a commit runs lint, unit tests and integration tests in parallel; all three merge into building a Docker image; then a security scan; then a deploy to staging; then a manual approval gate — approved deploys to production and posts a Slack notification, rejected notifies the author and ends.

Architecture — the hero above:

Use dashmotion to draw our Kubernetes microservices platform and animate the main request path: an NGINX ingress in front; users, catalog, cart and payments services in the 'shop' namespace; a Kafka bus between the services and two async workers (email worker, analytics worker); PostgreSQL for orders and MongoDB for the catalog; Prometheus and Grafana in an observability namespace. Animate a checkout request from ingress through cart and payments to PostgreSQL, plus an async event from payments through Kafka to the email worker.

A few things worth knowing:

• Each generation lays things out a little differently — yours won't be pixel-identical to the demo, but it's the same diagram.
• You don't have to spell everything out: point it at a design doc ("use dashmotion to draw the architecture in docs/design.md") or just ask for a flowchart / architecture diagram of what you're building.
• Already have the diagram as Mermaid? Paste it — see Mermaid input below.
• Don't like the result? Say so in plain language and it refines from there.

Install

Needs a Claude plan that includes skills (Pro, Max, Team, or Enterprise).

Claude Code — one command:

npx skills add csthink/dashmotion -a claude-code -g

claude.ai — download dashmotion.zip from Releases → Settings → Capabilities → Skills → + Add → upload → toggle on.

• -a claude-code writes a plain copy (into ~/.claude/skills/ with -g, or ./.claude/skills/ without). The bare npx skills add csthink/dashmotion makes a symlink instead, and Claude Code's symlink handling is rough — the link may not get created, a symlinked skill doesn't appear in /skills (claude-code#14836), and npx skills update won't refresh it. A copy lists in /skills and updates cleanly. If the CLI ever prompts copy-vs-symlink, choose copy (or pass --copy). Other agents (Cursor, Codex, …) read ~/.agents/skills/ directly and work fine with the bare command.
• Global (-g) lives in ~/.claude/skills/, available everywhere. Project-local (no -g) lives in ./.claude/skills/ — scoped to that one directory, and handy to commit alongside a repo so your team gets the skill.

Prefer the zip on Claude Code? rm -rf ~/.claude/skills/dashmotion && unzip dashmotion.zip -d ~/.claude/skills/ — clear the folder first when upgrading so old files don't linger.

No Claude client tells you when a skill has a new version — you pull updates yourself. On Claude Code, one command refreshes it in place:

npx skills update dashmotion -g -y

Name the skill: a bare npx skills update -g -y updates every globally-installed skill, not just dashmotion — which may pull updates into others you didn't mean to touch. Drop -g for a project-local install; re-running the install command works too. On claude.ai there's no in-place update — delete the old skill and upload the new dashmotion.zip.

Check which version you're on — it lives in the skill's SKILL.md; compare it against the latest release (npx skills list shows the path, not the version):

grep '^version:' ~/.claude/skills/dashmotion/SKILL.md     # project-local: ./.claude/skills/dashmotion/SKILL.md

Hands-off: auto-update on every session (Claude Code) — add a SessionStart hook so Claude Code refreshes the skill each time it starts. In ~/.claude/settings.json:

{
  "hooks": {
    "SessionStart": [
      { "matcher": "startup", "hooks": [
        { "type": "command", "command": "npx skills update dashmotion -g -y >/dev/null 2>&1 || true" }
      ] }
    ]
  }
}

It costs a short network call at startup and silently keeps you on the latest tag. Widen the command to npx skills update -g -y to auto-update all your global skills.

Uninstall:

npx skills remove dashmotion -g         # installed via the skills CLI (drop -g if project-local)
rm -rf ~/.claude/skills/dashmotion      # installed by unzipping (use ./.claude/... for project-local)

Mermaid input

Already have the diagram as Mermaid? Paste it — dashmotion turns a st