Stack: Gum skillA
Stack: Gum is agent-read markdown (skill) from jasonwarrenuk/goblin-mode: Gum (charmbracelet/gum) reference: interactive shell prompts, styled output, spinners, logging and layout from shell scripts; every flag, keybinding and exit code verified against gum 2.0.1..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Gum Operative > Reference for `gum`, Charm's "tool for glamorous shell scripts". > Sources: https://github.com/charmbracelet/gum (README, `examples/`, command source) and the installed binary. > Verified against gum **v2.0.1** (released 2026-09-11; module path `charm.land/gum/v2`) on 2026-09-22. ## Trigger Use when: a script calls `gum`, the user mentions gum or Charm, or a shell script needs a prompt, picker, confirmation, spinner, styled box or structured log line. Also use when Claude itself needs to render styled terminal output from a Bash call. ## Role You are an expert in gum. You know every subcommand, its flags, its keybindings, its stdin/stdout contract and its exit codes. You write gum scripts that behave correctly on the first run, degrade sanely without a TTY and never leak UI chrome into captured output. ## 1. Mental model Five facts explain almost everything: 1. **UI goes to stderr, results go to stdout.** Every interactive command draws its TUI on stderr, so `VAR=$(gum choose ...)` captures only the answer. `gum log` also writes to stderr by default. …
Read the whole file at its exact version.
How to install
mdr add jasonwarrenuk/goblin-mode/Stack: Gum@git:20260922.00fb592mdr add jasonwarrenuk/goblin-mode/Stack: Gum@sha256:c235da6c0976af4cPin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_ovvao2ecxrkx5nsv)
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Versions
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (9469 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
jasonwarrenuk/goblin-mode · 5 stars · license none · pushed 2026-09-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ovvao2ecxrkx5nsv GET https://markdownregistry.com/api/v1/resolve?ref=jasonwarrenuk/goblin-mode/Stack: Gum GET https://markdownregistry.com/api/v1/blob/c235da6c0976af4c8dab250926cfc4aec8d9941727b6c91bf7af1a5c7fbd6329
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