bmad-architecture

bmad-architecture is a skill for Claude Code, Codex from bmad-code-org/BMAD-METHOD. It costs 79 tokens per session (3,435 once invoked), scanned A, original, no licence file.

A technical architecture document records the decisions that keep separately built parts of a software system working consistently together. It can be based on an idea, a specification, or an existing codebase.

In plain words
What is it for?
Use it to plan, update, or check the architecture of a software system and document its key design decisions.
Why use it?
It gives developers a shared technical direction and reduces conflicting decisions as the system grows.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it to plan, update, or check the architecture of a software system and document its key design decisions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bmad-code-org/bmad-method/bmad-architecture
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 bmad-code-org/BMAD-METHOD --skill bmad-architecture
Clone the repo
git clone --depth 1 https://github.com/bmad-code-org/BMAD-METHOD

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 bmad-architecture

README.md
[![agentmods](https://agentmods.dev/badge/skills/bmad-code-org/bmad-method/bmad-architecture/github.svg)](https://agentmods.dev/skills/bmad-code-org/bmad-method/bmad-architecture)
Your own site
<a href="https://agentmods.dev/skills/bmad-code-org/bmad-method/bmad-architecture"><img src="https://agentmods.dev/badge/skills/bmad-code-org/bmad-method/bmad-architecture/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 bmad-architecture

Your own site · 80×15
<a href="https://agentmods.dev/skills/bmad-code-org/bmad-method/bmad-architecture"><img src="https://agentmods.dev/badge/skills/bmad-code-org/bmad-method/bmad-architecture.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,435 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. Third-party audits
  • Socket pass 18 Oct 2026
  • Snyk pass 18 Oct 2026
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin unknown 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 $0.00079 $0.03435
Opus 5.5 $0.00032 $0.01374
Sonnet 5.5 $0.00016 $0.00687
Haiku 4.5 $0.00008 $0.00344

Measured 3d ago against content hash 9cad6accefa6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

bmad-architecture 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 3d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/lint_spine.py, scripts/tests/test_lint_spine.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.

skills/bmad-architecture/SKILL.md · 92 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

What ships with it

7 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. 3d ago Changed · +2 tokens per session 9cad6accefa6
  2. 23d ago Changed · +2 lines 1038c87d3d08
  3. 26d ago Changed 505388a83a46
  4. 29d ago Changed · +4 lines d9334d47c144
  5. 1mo ago Changed 2c3401fe79e3
  6. 1mo ago First seen · 86 lines · 77 tokens per session scan A 4a256afa9c72

Subscribe to this mod's changes

bmad-architecture is a skill published in the GitHub repository bmad-code-org/BMAD-METHOD (54,422 stars, last pushed 2d ago), with no licence file. It adds 79 tokens to every session and 3,435 once invoked, about $0.0003 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.