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Skill

Skill oleksbard/cosmobar/internal/cli/assets/skill

A fast, dependency-light, starship-inspired status line for Claude Code.

Install
npx -y skills add oleksbard/cosmobar --skill skill

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  • 4 stars4 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

What its author says it does

Copied from the file, not written here

Interactively configure the cosmobar Claude Code statusline — discovers the available segments dynamically, asks the user which to show plus theme and clock, then writes the config and wires it into settings.json. Use when the user wants to set up, install, configure, customize, or reconfigure cosmobar (the statusline).

SKILL.md

4.8 KB, as published. Nobody here has run it

cosmobar guided setup

Configure cosmobar by interviewing the user, then apply the result with one command. Do not hardcode the list of segments or themes — read them live from the binary so this stays correct as cosmobar gains new segments.

Steps

  1. Confirm the binary is installed. Run cosmobar --version.

    • If you get "command not found", tell the user to install it first: curl -sS https://raw.githubusercontent.com/oleksbard/cosmobar/main/install.sh | sh then stop and let them install.

  2. Discover what's available (dynamic — always run these, never assume):

    • cosmobar segments --json → array of segments, each with name, description, default_on, requires_git, pro_max_only.
    • cosmobar themes --json → array of theme names.

  3. Interview the user with the AskUserQuestion tool. Keep it short — group related choices:

    • Segments: present every segment returned by the JSON, using its description. Pre-select the ones where default_on is true. Mention that pro_max_only segments only show data on Pro/Max plans, and requires_git segments only appear inside a git repo. Let the user pick the set to show. The order they end up with is the left-to-right display order.
    • Theme: offer the names from the themes JSON (default coral).
    • Clock: 24h, 12h, or off.
    • Glyphs (optional): auto (default) or ascii — pick ascii only if their terminal can't render block characters like ▓░.
    • Style: lean (default), tick, or blocks (background pills). All styles are font-free — there is no Nerd Font / powerline option.
    • Caps — ask ONLY when the chosen style is blocks: soft (default) or square. For lean or tick, do not ask about caps at all. AskUserQuestion can't branch mid-batch, so put style in the first batch and send the caps question separately afterwards, only if style came back blocks.
    • Animation: on (default) or off. When on, a segment's value briefly scrambles through symbols and "decodes" into its new value whenever it changes — purely visual, width-stable. Offer off for users who want a completely static bar.
    • Rate-limit window (only if rate_limits is enabled): both (default), 5h, or 7d.
    • Cost rollup (only if cost is enabled): show today's cross-session spend (· $5.30 today) on the cost segment — today (default) to show, empty to hide.
    • Block cost (only if rate_limits is enabled): on (default) or off. When on, the 5-hour window shows its spend, e.g. 5h 31% $4.20 (2h30m left).

  4. Apply immediately — no preview step, no confirmation prompt. As soon as the interview answers are in, write the config and wire it. Don't render a preview and don't put up a "shall I apply this?" question — both are just friction, and applying is reversible. This one command writes ~/.config/cosmobar/config.toml AND wires ~/.claude/settings.json (backing up the previous file):

    cosmobar init --force --theme <THEME> --order <comma,separated,enabled,segments> --clock <24h|12h|off> --glyphs <auto|ascii> --style <lean|tick|blocks> [--caps <soft|square>] --rate-window <both|5h|7d> [--animate <on|off>] [--cost-rollups today] [--block-cost <on|off>]
    • --order is the comma-separated list of the segments the user enabled, in their chosen order.
    • --force overwrites any existing config (this is a reconfigure).
    • --caps is only relevant when --style blocks is used — omit it otherwise.
    • --rate-window is only relevant when rate_limits is included in --order.
    • --animate on|off toggles the value-change scramble animation (default on).
    • --cost-rollups is only relevant when cost is in --order — pass today to show the today rollup (the default), or omit to keep it.
    • --block-cost on|off is only relevant when rate_limits is in --order — shows the 5h block's spend (default on).

  5. Confirm in one line. Just tell the user it's applied — it appears at the bottom of Claude Code on their next message, they can re-run /cosmobar anytime, or hand-edit ~/.config/cosmobar/config.toml and check it with cosmobar preview. Don't ask follow-up questions.

Notes

  • Everything is reversible: cosmobar uninstall removes the statusline wiring (add --purge to also delete the config and the binary).
  • cosmobar doctor reports whether the binary, config, color support, and wiring are all healthy.

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