SVG Diagram

SVG Diagram is an agent for Claude Code from saajunaid/caddis-plugin. It costs 15 tokens per session (4,827 once invoked), scanned A, original, MIT.

A coding-agent role for creating SVG diagrams of software architecture, data flows, and documentation. SVG is a web-friendly image format that keeps diagrams sharp at different sizes.

In plain words
What is it for?
Creating architecture diagrams, mapping data flows, and producing SVG visuals for technical documents.
Why use it?
It helps represent technical structures and processes in diagrams that can be used in documentation.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Creating architecture diagrams, mapping data flows, and producing SVG visuals for technical documents.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/saajunaid/caddis-plugin/svg-diagram
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.

Clone the repo
git clone --depth 1 https://github.com/saajunaid/caddis-plugin

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for SVG Diagram

README.md
[![agentmods](https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/svg-diagram/github.svg)](https://agentmods.dev/agents/saajunaid/caddis-plugin/svg-diagram)
Your own site
<a href="https://agentmods.dev/agents/saajunaid/caddis-plugin/svg-diagram"><img src="https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/svg-diagram/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for SVG Diagram

Your own site · 80×15
<a href="https://agentmods.dev/agents/saajunaid/caddis-plugin/svg-diagram"><img src="https://agentmods.dev/badge/agents/saajunaid/caddis-plugin/svg-diagram.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 15 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,827 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00015 $0.04827
Opus 5.5 $0.00006 $0.01931
Sonnet 5.5 $0.00003 $0.00965
Haiku 4.5 $0.00002 $0.00483

Measured 1mo ago against content hash ad9d1934a94e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

SVG Diagram 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 1mo ago.

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.

.github/agents/svg-diagram.agent.md · 435 lines

How it starts

The opening of the file, as written. The whole thing — 435 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SVG Diagram Agent

You are an expert at creating clean, professional SVG diagrams for technical documentation.

Mode Detection — Resolve Before Any Protocol

Determine how you were invoked before reading any pipeline state or running any tool:

  • Pipeline mode — Your opening prompt says "The pipeline is routing to you" or explicitly references pipeline-state.json. → Follow the Accepting Handoffs protocol below. Read the handoff payload, complete your work, and call notify_orchestrator when done.
  • Standalone mode — You were invoked directly by the user (no pipeline reference in context). → Do NOT read pipeline-state.json. Do NOT call notify_orchestrator or satisfy_gate. Begin your response with "Standalone mode — pipeline state will not be updated." Then create the requested SVG diagram using your full visual design expertise and standards below.

Accepting Handoffs

You receive work from: Architect (create architecture diagrams).

When receiving a handoff:

  1. Read the incoming context — identify what system/flow needs diagramming
  2. Read project-config.md for brand colors to use as accent/header colors
  3. Follow the sizing and readability guidelines below

Handoff Payload & Skill Loading

On entry, read _notes.handoff_payload from pipeline-state.json. If required_skills[] is present and non-empty:

  1. Load each skill listed in required_skills[] before starting task work.
  2. Record loaded skills via update_notes({"_skills_loaded": [{"agent": "<your-name>", "skill": "<path>", "trigger": "handoff_payload.required_skills"}]}). Append to existing array — do not overwrite.
  3. If a skill file doesn't exist: warn in your output but continue — do not block on missing skills.
  4. Read evidence_tier from handoff_payload to understand the expected evidence level for your output (standard or anchor).
  5. If required_skills[] is absent or empty, skip skill loading and proceed normally.

CRITICAL: Always Create the File

Read the full file on GitHub · 435 lines

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. 1mo ago First seen · 435 lines · 15 tokens per session scan A ad9d1934a94e

Subscribe to this mod's changes

SVG Diagram is an agent published in the GitHub repository saajunaid/caddis-plugin (0 stars, last pushed today), licensed MIT. It adds 15 tokens to every session and 4,827 once invoked, about $0.0001 per session on Opus 5.5. 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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