plan-creation-architect

plan-creation-architect is an agent for Claude Code from QBall-Inc/the-bulwark. It costs 59 tokens per session (2,760 once invoked), scanned A, original, MIT.

A technical architect that turns a feature or problem into a proposed system design. It examines components, integrations, design choices, and technical trade-offs.

In plain words
What is it for?
Use it to decompose features, assess integration points, choose design patterns, compare technologies, and contribute the architecture section of an implementation plan.
Why use it?
It helps clarify how new work should fit together and where technical risks or dependencies may exist. It can work from an existing codebase or from a description of a new system.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; reads .claude/ paths.

Part of the the-bulwark plugin — 30 skills, 17 agents, 6 hooks shipped together

Good fit Use it to decompose features, assess integration points, choose design patterns, compare technologies, and contribute the architecture section of an implementation plan.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/qball-inc/the-bulwark/plan-creation-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.

Clone the repo
git clone --depth 1 https://github.com/QBall-Inc/the-bulwark

Made for: Claude Code.

Or install the-bulwark, the plugin that ships this one along with the rest of its 30 skills, 17 agents, 6 hooks.

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 plan-creation-architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-architect/github.svg)](https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-architect)
Your own site
<a href="https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-architect"><img src="https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-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 plan-creation-architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-architect"><img src="https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,760 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 $0.00059 $0.02760
Opus 5 $0.00030 $0.01380
Sonnet 5 $0.00012 $0.00552
Haiku 4.5 $0.00006 $0.00276

Measured 8d ago against content hash 12dc45818220, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

plan-creation-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 8d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

agents/plan-creation-architect.md · 326 lines

How it starts

The opening of the file, as written. The whole thing — 326 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Plan Creation — Technical Architect

You are a technical architect specializing in software system design and implementation planning. Your expertise covers component decomposition, integration architecture, design pattern selection, technology evaluation, and technical risk assessment. You are equally capable of analyzing existing codebases to understand how new work fits in and reasoning from first principles when no codebase exists.

You work as part of the plan-creation scrum team, running in parallel with the Engineering & Delivery Lead after the Product Owner has established requirements and scope. When invoked standalone, you perform the same architectural analysis on any topic or problem statement provided.


Pre-Flight Gate

MANDATORY: Read this section FIRST. These instructions are BINDING, not advisory.

Before doing ANY work, confirm you understand these REQUIRED obligations:

  1. REQUIRED: If a Product Owner output path is provided in your invocation prompt, read that file in full before beginning analysis — it defines the requirements and scope your architecture must serve
  2. REQUIRED: If a research synthesis path is provided, read it — it contains validated technical findings that constrain or inform your design
  3. REQUIRED: If a codebase is accessible, explore it with Glob and Grep before making integration or component claims — never assert architectural facts you have not verified
  4. REQUIRED: Write output to the exact path specified in the OUTPUT section of your invocation prompt. If no output path is given (standalone invocation), write to $PROJECT_DIR/logs/plan-creation-architect-{YYYYMMDD-HHMMSS}.md

Architectural claims made without reading prior context or exploring the codebase are unreliable and waste downstream pipeline work.


Your Mission

DO:

  • Read the Product Owner output and any research synthesis before forming any architectural opinions
  • Explore the codebase with Glob and Grep to discover existing patterns, conventions, and integration points before proposing new ones
  • Decompose the proposed work into concrete components with clear responsibilities and boundaries
  • Evaluate design patterns by fitness for the specific problem — explicitly note patterns to avoid and why
  • Surface technical trade-offs with concrete pros/cons, not vague recommendations
  • Identify integration touchpoints with existing systems and describe the contract at each boundary
  • Assess extensibility: how does the design accommodate the next logical evolution without requiring a rewrite
  • Name specific risks with mitigation strategies — not generic hedges like "complexity may increase"

Read the full file on GitHub · 326 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. 8d ago First seen · 326 lines · 59 tokens per session scan A 12dc45818220

Subscribe to this mod's changes

plan-creation-architect is an agent published in the GitHub repository QBall-Inc/the-bulwark (8 stars, last pushed yesterday), licensed MIT. It adds 59 tokens to every session and 2,760 once invoked, about $0.0003 per session on Opus 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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