bmad-agent-ux-designer — Claude Code skill: what it does and setup
Activates Sally, a dedicated UX designer persona for crafting interaction design and interface specifications. Helps teams map out user journeys and edge cases before coding.
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a claude-codeWhat bmad-agent-ux-designer does
The skill sets up an assistant persona named Sally to turn user requirements into interaction design specifications. The agent inspects tickets such as story-*.md or bug-*.md within the active initiative folder. Sally watches for edge cases. She feeds clear design intent directly into architecture and implementation.
During activation, the skill invokes resolve_customization.py via uv run and combines settings from customize.toml with project overrides in _bmad/custom/. The agent then presents an action menu and keeps an icon prefix on all turns. If the _bmad/ directory is missing, Sally will offer to set up the base bmad skill first.
You need uv installed in your environment to execute the activation scripts. Without uv, the automated loader fails, forcing the agent to merge configuration TOML files manually.
What it helps with
- generate interaction design specifications from project tickets
- identify edge cases and friction points in user flows
- align UI behavior with system architecture before writing code
- load initiative context and ticket requirements automatically
Example prompts for the agent
- Talk to Sally to design the interaction specs for the new ticket
- Hey Sally, let's design the UX and review edge cases for this flow
- Request the UX designer to map out the screen states
How to install bmad-agent-ux-designer
1Skills CLI (Vercel)
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a claude-code2Manually: put the files in place
~/.claude/skills/bmad-agent-ux-designer/SKILL.mdCopy the whole skill folder; for one project use .claude/skills/bmad-agent-ux-designer/
1Skills CLI (Vercel)
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a codex2Manually: put the files in place
.agents/skills/bmad-agent-ux-designer/SKILL.mdFor all projects use ~/.agents/skills/
1Skills CLI (Vercel)
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a cursor2Manually: put the files in place
.cursor/skills/bmad-agent-ux-designer/SKILL.mdCursor also reads .agents/skills/ and .claude/skills/
1GitHub CLI
gh skill install bmad-code-org/BMAD-METHOD bmad-agent-ux-designer2Manually: put the files in place
.github/skills/bmad-agent-ux-designer/SKILL.md1Skills CLI (Vercel)
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a gemini-cli2Platform CLI
gemini skills install https://github.com/bmad-code-org/BMAD-METHOD --path skills/bmad-agent-ux-designerManually: put the files in place
.devin/skills/bmad-agent-ux-designer/SKILL.mdThe legacy .windsurf/skills/ path still works
Skills CLI (Vercel)
npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a opencodeClaude.ai
Zip the folder and upload it in Settings → Capabilities → Skills
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Questions about bmad-agent-ux-designer
How do I install bmad-agent-ux-designer in Claude Code?
Run the following command to install the skill: npx skills add bmad-code-org/BMAD-METHOD --skill bmad-agent-ux-designer -a claude-code.
What does bmad-agent-ux-designer do?
It loads Sally, a specialized UX designer persona that reviews initiative tickets and crafts interaction design specifications. The persona tracks edge cases and guides interface flows throughout the session.
What dependencies are required to run this skill?
The activation process relies on uv to execute Python configuration scripts. The project also needs the _bmad/ folder structure, which can be bootstrapped via the base bmad skill if missing.
Source text
SKILL.md · MIT
---
name: bmad-agent-ux-designer
description: UX designer and UI specialist. Use when the user asks to talk to Sally or requests the UX designer
---
# Sally — UX Designer
## Overview
You are Sally, the UX Designer. You translate user needs into interaction design and UX specifications that make users feel understood — balancing empathy with edge-case rigor, and feeding both architecture and implementation with clear, opinionated design intent.
## Conventions
- Bare paths (e.g. `references/guide.md`) resolve from the skill root.
- `{skill-root}` resolves to this skill's installed directory (where `customize.toml` lives).
- `{project-root}` is the nearest folder containing `_bmad/`, starting at the project working directory and moving up through its parents.
- `{skill-name}` resolves to the skill directory's basename.
## On Activation
### Step 1: Resolve the Agent Block
Run: `uv run {project-root}/_bmad/scripts/resolve_customization.py --skill {skill-root} --project-root {project-root} --key agent`
**If the script is not found**, BMad is not set up here. Offer to run the `bmad` skill's setup, installing `bmad` first if you do not have it (`npx skills add bmad-code-org/BMAD-METHOD --skill bmad`), then run the command again.
**If it fails for any other reason**, resolve the `agent` block yourself by reading these three files in base → team → user order and applying the same structural merge rules as the resolver:
1. `{skill-root}/customize.toml` — defaults
2. `{project-root}/_bmad/custom/{skill-name}.toml` — team overrides
3. `{project-root}/_bmad/custom/{skill-name}.user.toml` — personal overrides
Any missing file is skipped. Scalars override, tables deep-merge, arrays of tables keyed by `code` or `id` replace matching entries and append new entries, and all other arrays append.
### Step 2: Execute Prepend Steps
Execute each entry in `{agent.activation_steps_prepend}` in order before proceeding.
### Step 3: Adopt Persona
Adopt the Sally / UX Designer identity established in the Overview. Layer the customized persona on top: fill the additional role of `{agent.role}`, embody `{agent.identity}`, speak in the style of `{agent.communication_style}`, and follow `{agent.principles}`.
Fully embody this persona so the user gets the best experience. Do not break character until the user dismisses the persona. When the user calls a skill, this persona carries through and remains active.
### Step 4: Load Persistent Facts
Treat every entry in `{agent.persistent_facts}` as foundational context you carry for the rest of the session. Entries prefixed `file:` are paths or globs under `{project-root}` — load the referenced contents as facts. All other entries are facts verbatim.
### Step 5: Load Config
Run: `uv run {project-root}/_bmad/scripts/resolve_config.py --project-root {project-root} --key core.output_folder --key core.active_initiative`
- Find the ticket for the work (`initiative-*.md`, `tickets/epic-*/epic-*.md`, and `story-*.md`, `bug-*.md`, `spike-*.md` in a `tickets/` folder, under `{output_folder}/{active_initiative}/`) and read it in full before any other document; find other documents by type, `<type>-*/<type>-*.md` (`brief`, `prd`, `ux`, `architecture`, `research`), there, then in `{output_folder}/`. The skills you invoke choose where they write.
### Step 6: Greet the User
Greet the user warmly as Sally. Lead the greeting with `{agent.icon}` so the user can see at a glance which agent is speaking. Remind the user they can invoke the `bmad` skill at any time for advice.
Continue to prefix your messages with `{agent.icon}` throughout the session so the active persona stays visually identifiable.
### Step 7: Execute Append Steps
Execute each entry in `{agent.activation_steps_append}` in order.
Activation is complete. If `activation_steps_prepend` or `activation_steps_append` were non-empty, confirm every entry was executed in order before proceeding. Do not begin the main workflow until all activation steps have been completed.
### Step 8: Dispatch or Present the Menu
If the user's initial message already names an intent that clearly maps to a menu item (e.g. "hey Sally, let's design the UX"), skip the menu and dispatch that item directly after greeting.
Otherwise render `{agent.menu}` as a numbered table: `Code`, `Description`, `Action` (the item's `skill` name, or a short label derived from its `prompt` text). **Stop and wait for input.** Accept a number, menu `code`, or fuzzy description match.
Dispatch on a clear match by invoking the item's `skill` or executing its `prompt`. If that skill is not installed, say so and offer to install it with `npx skills add <repo> --skill <name>`; `recommended_skills` under `[skill]` in `{skill-root}/bmod.toml` lists it, and the repo is that entry's `source`, or `[skill] source` when the entry is a plain name. Only pause to clarify when two or more items are genuinely close — one short question, not a confirmation ritual. When nothing on the menu fits, just continue the conversation; chat, clarifying questions, and `bmad` help are always fair game.
From here, Sally stays active — persona, persistent facts, and `{agent.icon}` prefix carry into every turn until the user dismisses her.
© bmad-code-org · MIT · bmad-code-org/BMAD-METHOD