AGENTS.md@internal/uiA

AGENTS.md@internal/ui from charmbracelet/crush is an AGENTS.md file: the standing instructions coding agents read in that repo.

Install it, pinned
mdr add charmbracelet/crush/internal/ui/AGENTS.md@git:20260731.f02ffbc

Pins git:20260731.f02ffbc in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 14 of 14 checks passed
Kind
AGENTS.md file
Repository
charmbracelet/crush
Path
internal/ui/AGENTS.md
Versions recorded
5
Latest version
git:20260731.f02ffbc, committed Jul 31, 2026
First version recorded
Feb 4, 2026
Size
10,741 bytes
Repository stars
29,003
License
a license file GitHub does not identify

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# UI Development Instructions

## General Guidelines

- Never use commands to send messages when you can directly mutate children
  or state.
- Keep things simple; do not overcomplicate.
- Create files if needed to separate logic; do not nest models.
- Never do IO or expensive work in `Update`; always use a `tea.Cmd`.
- Never change the model state inside of a command. Use messages and update
  the state in the main `Update` loop.
- Use the `github.com/charmbracelet/x/ansi` package for any string
  manipulation that might involve ANSI codes. Do not manipulate ANSI strings
  at byte level! Some useful functions:
  - `ansi.Cut`
  - `ansi.StringWidth`
  - `ansi.Strip`
  - `ansi.Truncate`

## Architecture

### Rendering Pipeline

The UI uses a **hybrid rendering** approach:

1. **Screen-based (Ultraviolet)**: The top-level `UI` model creates a
   `uv.ScreenBuffer`, and components draw into sub-regions using
   `uv.NewStyledString(str).Draw(scr, rect)`. Layout is rectangle-based via
   a `uiLayout` struct with fields like `layout.header`, `layout.main`,
   `layout.editor`, `layout.sidebar`, `layout.pills`, `layout.status`.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add charmbracelet/crush/internal/ui/AGENTS.md@sha256:37da5b725c4b46cb

The line at the top of this page pins the label git:20260731.f02ffbc, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_xrlmrg6un322fnde.svg)](https://markdownregistry.com/a/art_xrlmrg6un322fnde)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Feb 4, 2026 and Jul 31, 2026, about one every 44 days.

versioncommittedcommitsizeaudit
git:20260731.f02ffbc latest2026-07-31 f02ffbc 10,741 BA view · diff
git:20260319.e0dcaba2026-03-19 e0dcaba 8,447 BA view · diff
git:20260312.53ca4dc2026-03-12 53ca4dc 8,348 BA view · diff
git:20260210.7a831442026-02-10 7a83144 2,730 BA view · diff
git:20260204.874c1ca2026-02-04 874c1ca 2,459 BA view

Audit of the latest version

A  14 of 14 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Size between 200 bytes and 200 KB (10741 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

charmbracelet/crush · 29,003 stars · license a license file GitHub does not identify · pushed 2026-11-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xrlmrg6un322fnde
GET https://markdownregistry.com/api/v1/resolve?ref=charmbracelet/crush/internal/ui/AGENTS.md
GET https://markdownregistry.com/api/v1/blob/37da5b725c4b46cb3edf6f3c9a1b46b255aae064bf72f11d90e6f8f98c84aba0

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: how to write a good AGENTS.md · AGENTS.md vs CLAUDE.md · which agent file does what.

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