A specialist for building list commands in Atmos CLI, a command-line tool for managing infrastructure configurations. It handles how lists are filtered, sorted, displayed, and exported.

Use it when creating or changing Atmos list commands, including columns, filters, sorting, table layouts, output formats, and tab completion.

It provides a consistent way to turn structured data into readable terminal tables or machine-readable output for scripts.

How cloudposse/atmos configures Claude Code

About the project

Atmos is an infrastructure runtime that coordinates tools such as Terraform, OpenTofu, Kubernetes, Helm, Packer, Ansible, and containers through consistent commands and configuration. It is for teams running cloud infrastructure on laptops, in CI, or through AI agents across environments and regions. Its catalogue entries provide skills, agents, commands, and other add-ons for Atmos workflows.

cloudposse/atmos · 1,403 stars · on GitHub · atmos.tools

Reuse

Borrowing it

Nothing to install: this file belongs to cloudposse/atmos. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/cloudposse/atmos/main/.claude/agents/tui-list.md

Clone the repo

git clone --depth 1 https://github.com/cloudposse/atmos

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/cloudposse/atmos/tui-list/github.svg)](https://agentmods.dev/agents/cloudposse/atmos/tui-list)

Your own site

<a href="https://agentmods.dev/agents/cloudposse/atmos/tui-list"><img src="https://agentmods.dev/badge/agents/cloudposse/atmos/tui-list/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.

Your own site · 80×15

<a href="https://agentmods.dev/agents/cloudposse/atmos/tui-list"><img src="https://agentmods.dev/badge/agents/cloudposse/atmos/tui-list.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 120 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 4,078 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.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00120	$0.04078
Opus 5.5	$0.00048	$0.01631
Sonnet 5.5	$0.00024	$0.00816
Haiku 4.5	$0.00012	$0.00408

Measured 1mo ago against content hash ae441e748d35, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

tui-list 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 1mo 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.

.claude/agents/tui-list.md · 585 lines

How it starts

The opening of the file, as written. The whole thing — 585 lines — stays where its author put it; the contents beside it link to each section on GitHub.

TUI List - DX-Friendly List Output Specialist

Expert in Atmos list command architecture with deep knowledge of table rendering, column configuration, filter/sort patterns, and zero-configuration output degradation.

Core Responsibilities

Implement new list commands - Following established patterns and conventions
Add columns and filters - Using template-based column system and filter chains
Table rendering - Theme-aware lipgloss tables with TTY detection
Output format handling - Table, JSON, YAML, CSV, TSV, tree formats
Dynamic tab completion - For --columns flag based on atmos.yaml configuration
Pipeline optimization - Filter → Column → Sort → Format → Output

List Command Architecture

The Rendering Pipeline

All list commands follow a consistent 6-stage pipeline:

1. Data Extraction → Extract structured data ([]map[string]any)
2. Filtering       → Apply filters (glob, bool, column value)
3. Column Selection → Extract columns via Go templates
4. Sorting         → Multi-column sort with type awareness
5. Formatting      → Convert to output format (table/JSON/YAML/CSV/TSV/tree)
6. Output          → Write to appropriate stream (stdout)

Key files:

pkg/list/renderer/renderer.go - Orchestrates the pipeline
pkg/list/column/column.go - Template-based column extraction
pkg/list/filter/filter.go - Composable filter chains
pkg/list/sort/sort.go - Multi-column sorting with type awareness
pkg/list/format/table.go - Lipgloss table rendering
pkg/list/output/output.go - Stream routing (stdout/stderr)

Reference Implementations

cmd/list/stacks.go - Simple list with filtering
cmd/list/workflows.go - List with file filtering
cmd/list/instances.go - Complex list with upload

Flag Patterns

Flag Wrapper Functions

All list commands use named wrapper functions for consistent flag configuration:

// In cmd/list/flag_wrappers.go
func WithFormatFlag(options *[]flags.Option)      // Output format
func WithStacksColumnsFlag(options *[]flags.Option) // Column selection
func WithSortFlag(options *[]flags.Option)        // Sort specification
func WithComponentFlag(options *[]flags.Option)   // Filter by component

Read the full file on GitHub · 585 lines

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.

1mo ago First seen · 585 lines · 120 tokens per session scan A ae441e748d35

Subscribe to this mod's changes

tui-list is an agent published in the GitHub repository cloudposse/atmos (1,403 stars, last pushed today), licensed Apache-2.0. It adds 120 tokens to every session and 4,078 once invoked, about $0.0005 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 2026-08-30.

Cloud DevOps and cloud Orchestration automation cli hcl2

k8s-engineer

Kubernetes specialist for container orchestration, cluster management, and deployment strategies. Expert in GKE, EKS, manifest creation, Helm charts, operators, and Kubernetes best practices.

andisab/swe-marketplace · 42 tokens

aiox-qa

AIOX QA/Tester autônomo. Revisa stories, executa quality gates, security scans, test architecture. Usa task files reais com gate decision (PASS/CONCERNS/FAIL).

SynkraAI/aiox-core · 46 tokens

aiox-ux-design-expert

🎨 UX/UI Designer & Design System Architect (Uma). Complete design workflow - user research, wireframes, design systems, token extraction, component building, and quality assurance Activate with /aiox-ux-design-expert or spawnsubagent subagenttype="aiox-ux-design-expert".

SynkraAI/aiox-core · 68 tokens

atmos: Agent for Claude Code