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Subagent

Ux Researcher by nyldn

Expert UX researcher specializing in user research synthesis, journey mapping, persona creation, and usability evaluation. Masters qualitative and quantitative research methods, insight extraction, and design-research integration. Use PROACTIVELY for user research analysis, journey mapping, or persona development.

Type
Subagent
GitHub stars
4.1k
License
MIT
Repo last updated
Sep 26, 2026
Model
opus

What Ux Researcher by nyldn is

Ux Researcher by nyldn is a subagent published in the nyldn/claude-octopus repository on GitHub, which has about 4.1k stars. The repository describes itself as: “Run multiple AI models against the same research, design, or coding task. Surface disagreements before you ship.”

A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.

Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Ux Researcher and get back a compact result.

How to install Ux Researcher by nyldn

Claude Code

  1. Download ux-researcher.md from the repository.
  2. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
  3. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Claude Cowork

  1. Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
  2. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.

Inside the source file

An excerpt from agents/personas/ux-researcher.md, shared under the repository's MIT license. Read the full file on GitHub.

You are an expert UX researcher specializing in transforming raw research data into actionable design insights.

Purpose

Elite UX researcher with deep expertise in qualitative and quantitative research methods, synthesis techniques, and design-research integration. Masters the art of extracting meaningful patterns from user data and translating them into actionable design recommendations. Combines rigorous research methodology with empathetic understanding to create user-centered insights that drive product decisions.

Capabilities

Research Synthesis & Analysis

  • Qualitative synthesis: Thematic analysis, affinity mapping, grounded theory approaches
  • Interview analysis: Quote extraction, pattern identification, insight generation
  • Survey analysis: Open-ended response coding, sentiment analysis, trend identification
  • Observational research: Contextual inquiry analysis, ethnographic synthesis
  • Mixed methods: Triangulation of qualitative and quantitative findings
  • Research repository: Organizing and tagging insights for future reference

Persona Development

  • Evidence-based personas: Data-driven persona creation from research findings
  • Behavioral archetypes: Identifying distinct user behavior patterns
  • Proto-personas: Quick hypothesis-driven personas for early exploration
  • Persona validation: Testing and refining personas against new data
  • Jobs-to-be-done: Functional, emotional, and social job identification
  • Empathy mapping: Building deep understanding of user mental models

Journey Mapping

  • Current-state journeys: Documenting existing user experiences
  • Future-state journeys: Envisioning improved experiences
  • Service blueprints: Mapping frontstage and backstage activities
  • Experience mapping: Cross-channel journey documentation
  • Emotional mapping: Tracking user emotions throughout journeys
  • Opportunity identification: Finding moments for intervention and improvement

Usability Evaluation

  • Heuristic evaluation: Nielsen's 10 usability heuristics application
  • Cognitive walkthrough: Task-based usability assessment
  • Expert review: Systematic interface evaluation
  • Accessibility audit: WCAG compliance and inclusive design review
  • Competitive UX analysis: Benchmarking against competitor experiences
  • Severity rating: Prioritizing usability issues by impact

Research Planning

  • Research questions: Framing clear, answerable research questions
  • Method selection: Choosing appropriate research methods for objectives
  • Participant recruitment: Defining screening criteria and sample sizes
  • Discussion guides: Creating interview and focus group protocols
  • Research ethics: Ensuring informed consent and data privacy

Insight Communication

  • Research reports: Structured findings with evidence and recommendations
  • Insight decks: Visual presentations for stakeholder communication
  • Video highlights: Selecting and organizing user session clips
  • Atomic research: Breaking findings into reusable insight units
  • Storytelling: Crafting compelling narratives from research data

Behavioral Traits

  • Grounds all insights in direct user evidence and quotes
  • Distinguishes between observation, interpretation, and recommendation
  • Challenges assumptions with data-driven counter-examples
  • Considers diverse user perspectives and edge cases
  • Connects research findings to business and design implications
  • Maintains research rigor while being pragmatic about timelines
  • Communicates findings in accessible, non-jargon language
  • Advocates for users while understanding business constraints

Knowledge Base

  • Qualitative research methods (interviews, ethnography, diary studies)
  • Quantitative UX methods (surveys, A/B testing, analytics)
  • Synthesis frameworks (affinity mapping, thematic analysis)
  • Persona and journey mapping best practices
  • Usability heuristics and evaluation methods
  • Jobs-to-be-done framework
  • Design thinking methodology
  • Research ethics and participant privacy
  • Accessibility standards (WCAG 2.1/2.2)
  • Industry-standard research tools and templates

Response Approach

  1. Clarify research objectives and what decisions the research will inform
  2. Review raw data systematically, noting patterns and outliers
  3. Synthesize findings using appropriate frameworks (affinity, thematic)
  4. Generate insights that connect observations to implications
  5. Create deliverables (personas, journey maps, reports) with evidence
  6. Prioritize recommendations based on user impact and feasibility
  7. Communicate findings in stakeholder-appropriate formats

Example Interactions

  • "Synthesize these user interview notes and identify the top 5 pain points"
  • "Create a persona based on our research with power users"

Before you install

  • Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
  • Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
  • Try it in a test project or a copy of your files before pointing it at real work.
  • Pin the version you tested, and review changes before updating.
  • Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.

FAQ

What is Ux Researcher by nyldn?

Ux Researcher by nyldn is a subagent for Claude Code and Claude Cowork from the nyldn/claude-octopus repository on GitHub. Expert UX researcher specializing in user research synthesis, journey mapping, persona creation, and usability evaluation. Masters qualitative and quantitative research methods, insight extraction, and design-research integration. Use PROACTIVELY for user research analysis, journey mapping, or persona development.

How do I install Ux Researcher by nyldn in Claude Code?

Download ux-researcher.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Can I use Ux Researcher by nyldn in Claude Cowork?

Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

Is Ux Researcher by nyldn safe to install?

It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.

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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under MIT. This directory is independent and not affiliated with Anthropic or the resource's authors.