senior-architect

senior-architect is a skill for Claude Code, Codex from Morningstar202604/awesome-skillkit. It costs 142 tokens per session (2,140 once invoked), scanned A, a copy of senior-architect, Apache-2.0.

A set of tools for evaluating and documenting software architecture, such as system structure, dependencies, and technical decisions.

In plain words
What is it for?
Use it to generate Mermaid, PlantUML, or text architecture diagrams, inspect dependencies, assess a project, choose databases, and record architecture decisions.
Why use it?
It helps make complex projects easier to understand and supports choices such as using one application or several services.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to generate Mermaid, PlantUML, or text architecture diagrams, inspect dependencies, assess a project, choose databases, and record architecture decisions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/morningstar202604/awesome-skillkit/senior-architect
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.

Any agent
npx skills add Morningstar202604/awesome-skillkit --skill senior-architect
Clone the repo
git clone --depth 1 https://github.com/Morningstar202604/awesome-skillkit

Made for: Claude Code, Codex.

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 senior-architect

README.md
[![agentmods](https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/senior-architect/github.svg)](https://agentmods.dev/skills/morningstar202604/awesome-skillkit/senior-architect)
Your own site
<a href="https://agentmods.dev/skills/morningstar202604/awesome-skillkit/senior-architect"><img src="https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/senior-architect/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 senior-architect

Your own site · 80×15
<a href="https://agentmods.dev/skills/morningstar202604/awesome-skillkit/senior-architect"><img src="https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/senior-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,140 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 94% copy Near-identical to another mod 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 $0.00142 $0.02140
Opus 5.5 $0.00057 $0.00856
Sonnet 5.5 $0.00028 $0.00428
Haiku 4.5 $0.00014 $0.00214

Measured 1mo ago against content hash e3eb674577dd, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

senior-architect 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.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/architecture_diagram_generator.py, scripts/dependency_analyzer.py, scripts/project_architect.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

This is a copy

94% identical to senior-architect — 393 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

site/skills/programming/architecture/senior-architect/SKILL.md · 143 lines

How it starts

The opening of the file, as written. The whole thing — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Senior Architect

Architecture design and analysis: generate architecture diagrams (Mermaid/PlantUML/ASCII), analyze dependency coupling and circular references, evaluate project structure, and walk the decision workflow (database, patterns, monolith vs microservices) — output stays at the architecture level; it doesn't write implementation code.

Input Checklist

Input Required Description
Project directory Yes Path to the project to analyze, e.g. ./my-project
Task intent Yes One of: draw a diagram / dependency analysis / architecture evaluation / tech selection / review
Diagram type Required when drawing component / layer / deployment
Output format No mermaid (default) / plantuml / ascii; analysis report optionally json

When inputs are missing, ask for all at once: "Please provide: (1) project directory; (2) what to do this time (diagram / dependency analysis / architecture evaluation / selection / review); (3) if drawing, the diagram type and format."

Pre-flight Checks

Run line by line; on any failure → fix per the remediation and STOP:

# 1. Python 3 is available
python3 --version
# Expected: Python 3.8+.

# 2. All three tool scripts exist
ls scripts/architecture_diagram_generator.py scripts/dependency_analyzer.py scripts/project_architect.py
# Expected: all three filenames (run inside the skill directory). On failure: cd to the skill directory; still missing → STOP and report.

# 3. The target project directory exists
ls <project directory> > /dev/null && echo OK
# Expected: OK. On failure: confirm the path with the user, STOP.

Workflow

Step 1: Generate the architecture diagram

python3 scripts/architecture_diagram_generator.py examples/sample-project --format mermaid --type component   # bundled sample project; swap in your project root for a real one
# PlantUML:   --format plantuml --type layer
# ASCII:      --format ascii
# Save to file: --output architecture.md (or -o)

Read the full file on GitHub · 143 lines

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 Changed · +2 lines · +142 tokens per session e3eb674577dd
  2. 1mo ago Changed d8ebc10f4cee
  3. 1mo ago Changed · -208 lines · -94 tokens per session scan B → A 8653d1f28430
  4. 1mo ago First seen · 349 lines · 94 tokens per session scan B dc0125f06e12

Subscribe to this mod's changes

senior-architect is a skill published in the GitHub repository Morningstar202604/awesome-skillkit (0 stars, last pushed 27d ago), licensed Apache-2.0. It adds 142 tokens to every session and 2,140 once invoked, about $0.0006 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 94% identical to senior-architect, differing in 393 lines, and is treated as a copy.

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