Plugin

Culture Index

Interprets Culture Index survey results for individuals and teams

Type: Plugin
Repository: trailofbits/skills
GitHub stars: 7.3k
License: CC-BY-SA-4.0
Repo last updated: Sep 25, 2026
Source file: plugins/culture-index/.claude-plugin/plugin.json
Version: 1.1.5
Author: Dan Guido

What Culture Index is

Culture Index is a plugin published in the trailofbits/skills repository on GitHub, which has about 7.3k stars. The repository describes itself as: “Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows”

A plugin is a package that bundles skills, slash commands, subagents, hooks, and MCP connectors so they install together. Plugins are plain files with a manifest at .claude-plugin/plugin.json, and they work in both Claude Code and Claude Cowork.

Installing Culture Index adds everything it ships in one step. Connectors inside a plugin still need to be connected separately, and hooks and subagents only run in Cowork and Claude Code, not in regular chat.

How to install Culture Index

Claude Code

Add the repository as a plugin marketplace: claude plugin marketplace add trailofbits/skills
Install the plugin: claude plugin install culture-index@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json.
Restart the session if the new skills or commands don't appear straight away.

Claude Cowork

Open Customize → Plugins and choose Add marketplace.
Enter trailofbits/skills (the owner/repo shorthand works for GitHub).
Find Culture Index in the list, click Install, then connect any connectors it needs from its Connectors tab.

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 plugins/culture-index/.claude-plugin/plugin.json, shared under the repository's CC-BY-SA-4.0 license. Read the full file on GitHub.

Interprets Culture Index survey results for individuals and teams.

Author: Dan Guido

When to Use

Use this skill when you need to:

Interpret an individual's Culture Index profile
Analyze team composition for gas/brake/glue balance
Detect burnout signals by comparing Survey vs Job traits
Compare multiple profiles for compatibility
Get motivator recommendations for specific trait types

What It Does

This skill provides expert interpretation of Culture Index behavioral assessments:

Relative Interpretation - Always uses distance from arrow, never absolute values
Survey vs Job Analysis - Identifies behavior modification and energy drain
Pattern Recognition - Maps profiles to 19 archetypes
Team Analysis - Assesses gas/brake/glue balance and gaps
Burnout Detection - Calculates energy utilization and flags risk

Installation

/plugin install trailofbits/skills/plugins/culture-index

The plugin ships one skill, interpreting-culture-index. It triggers on its own when you bring it a profile; invoke it directly with /culture-index:interpreting-culture-index.

Key Concepts

Trait Colors

Energy Utilization

Utilization = (Job EU / Survey EU) x 100

70-130% = Healthy
>130% = STRESS (burnout risk)
<70% = FRUSTRATION (flight risk)

Gas/Brake/Glue Framework

Input Formats

JSON - Extracted profiles from culture-index tool (recommended)
PDF - Direct PDF analysis using Claude's vision

Workflows

interpret-individual.md - Single profile analysis
analyze-team.md - Team composition assessment
detect-burnout.md - Stress/frustration detection
compare-profiles.md - Multi-profile compatibility

Reference Documents

primary-traits.md - A, B, C, D trait details
secondary-traits.md - EU, L, I trait details
patterns-archetypes.md - 19 patterns and archetypes
motivators.md - Engagement strategies by trait
team-composition.md - Gas/brake/glue framework
anti-patterns.md - Common interpretation mistakes

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 Culture Index?

Culture Index is a plugin for Claude Code and Claude Cowork from the trailofbits/skills repository on GitHub. Interprets Culture Index survey results for individuals and teams

How do I install Culture Index in Claude Code?

Add the repository as a plugin marketplace: claude plugin marketplace add trailofbits/skills Install the plugin: claude plugin install culture-index@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json. Restart the session if the new skills or commands don't appear straight away.

Can I use Culture Index in Claude Cowork?

Open Customize → Plugins and choose Add marketplace. Enter trailofbits/skills (the owner/repo shorthand works for GitHub). Find Culture Index in the list, click Install, then connect any connectors it needs from its Connectors tab.

Is Culture Index 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 CC-BY-SA-4.0. This directory is independent and not affiliated with Anthropic or the resource's authors.