swimlanes

A tool that turns plain-language descriptions of workflows into sequence-diagram code for Swimlanes.io. Sequence diagrams show messages and actions moving between people, applications, or services over time.

In plain words
What is it for?
Use it to describe authentication, API requests, microservice communication, or CI/CD workflows and then render the result at Swimlanes.io.
Why use it?
It avoids drawing request flows by hand and helps make interactions easier to inspect and document. It can represent branches and different kinds of connections.

Plugin for Claude Code

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.

Claude Code
/plugin marketplace add mlz11/claude-code-plugins
agentmods
npx agentmods add plugins/mlz11/claude-code-plugins/swimlanes
Clone the repo
git clone --depth 1 https://github.com/mlz11/claude-code-plugins

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

swimlanes 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 yesterday.

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.

plugins/swimlanes/.claude-plugin/plugin.json · 15 lines

What it actually says

{
  "name": "swimlanes",
  "version": "1.0.0",
  "description": "Generate sequence diagrams directly from natural language descriptions using Swimlanes.io syntax. Describe any workflow (authentication flows, API interactions, microservice communication, CI/CD pipelines) and get correctly formatted diagram code instantly. Supports solid, dashed, and bold arrows, conditional branches, grouping, notes with markdown formatting, auto-numbering, and Font Awesome icons. Paste the output at swimlanes.io to render a polished, shareable diagram. Perfect for documenting architecture, debugging request flows, and creating technical documentation without leaving your terminal.",
  "author": {
    "name": "mlz11",
    "email": "[email protected]",
    "url": "https://github.com/mlz11"
  },
  "homepage": "https://github.com/mlz11/claude-code-plugins/tree/main/plugins/swimlanes",
  "repository": "https://github.com/mlz11/claude-code-plugins",
  "license": "MIT",
  "keywords": ["sequence-diagram", "swimlanes", "diagram", "uml", "visualization"]
}
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. yesterday First seen · 15 lines scan A 45dfda096bbd

Subscribe to this mod's changes

swimlanes is a plugin published in the GitHub repository mlz11/claude-code-plugins (2 stars, last pushed 6mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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 2026-08-31.

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