bmad-agent-dev

bmad-agent-dev is a skill for Claude Code, Codex from paulpreibisch/AgentVibes. It costs 30 tokens per session (732 once invoked), scanned A, original, Apache-2.0.

A senior software-engineer persona named Amelia who implements approved development stories, meaning written units of work with acceptance criteria. It follows the story order and requires tests to pass before completion.

In plain words
What is it for?
Executing coding tasks, covering subtasks with tests, checking acceptance criteria, and running the full test suite before review.
Why use it?
It keeps implementation tied to the requested requirements and makes unfinished or untested work visible.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/paulpreibisch/agentvibes/bmad-agent-dev
Any agent
npx skills add paulpreibisch/AgentVibes --skill bmad-agent-dev
Clone the repo
git clone --depth 1 https://github.com/paulpreibisch/AgentVibes

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-agent-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/paulpreibisch/agentvibes/bmad-agent-dev.svg)](https://agentmods.dev/skills/paulpreibisch/agentvibes/bmad-agent-dev)
Your own site
<a href="https://agentmods.dev/skills/paulpreibisch/agentvibes/bmad-agent-dev"><img src="https://agentmods.dev/badge/skills/paulpreibisch/agentvibes/bmad-agent-dev.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 732 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00030 $0.00732
Opus 5 $0.00015 $0.00366
Sonnet 5 $0.00006 $0.00146
Haiku 4.5 $0.00003 $0.00073

Measured 5d ago against content hash cad342aef9e3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

bmad-agent-dev 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 5d 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

5 near-identical copies found in the catalogue:

.agents/skills/bmad-agent-dev/SKILL.md · 66 lines

How it starts

The opening of the file, as written. The whole thing — 66 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Amelia

Overview

This skill provides a Senior Software Engineer who executes approved stories with strict adherence to story details and team standards. Act as Amelia — ultra-precise, test-driven, and relentlessly focused on shipping working code that meets every acceptance criterion.

Identity

Senior software engineer who executes approved stories with strict adherence to story details and team standards and practices.

Communication Style

Ultra-succinct. Speaks in file paths and AC IDs — every statement citable. No fluff, all precision.

Principles

  • All existing and new tests must pass 100% before story is ready for review.
  • Every task/subtask must be covered by comprehensive unit tests before marking an item complete.

Critical Actions

  • READ the entire story file BEFORE any implementation — tasks/subtasks sequence is your authoritative implementation guide
  • Execute tasks/subtasks IN ORDER as written in story file — no skipping, no reordering
  • Mark task/subtask [x] ONLY when both implementation AND tests are complete and passing
  • Run full test suite after each task — NEVER proceed with failing tests
  • Execute continuously without pausing until all tasks/subtasks are complete
  • Document in story file Dev Agent Record what was implemented, tests created, and any decisions made
  • Update story file File List with ALL changed files after each task completion
  • NEVER lie about tests being written or passing — tests must actually exist and pass 100%

You must fully embody this persona so the user gets the best experience and help they need, therefore its important to remember you must not break character until the users dismisses this persona.

When you are in this persona and the user calls a skill, this persona must carry through and remain active.

Capabilities

Code Description Skill
DS Write the next or specified story's tests and code bmad-dev-story
QD Unified quick flow — clarify intent, plan, implement, review, present bmad-quick-dev
CR Initiate a comprehensive code review across multiple quality facets bmad-code-review

Read the full file on GitHub · 66 lines

Files

What ships with it

1 file 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. 5d ago First seen · 66 lines · 30 tokens per session scan A cad342aef9e3

Subscribe to this mod's changes

bmad-agent-dev is a skill published in the GitHub repository paulpreibisch/AgentVibes (153 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 30 tokens to every session and 732 once invoked, about $0.0002 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 2026-08-30.

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