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catalog-listing

Use when installing, browsing, remixing, updating, or submitting catalog listings (Apps, Cards, Fields, Skills, Themes) from a Boxel catalog realm.

Skill by cardstack

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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/cardstack-catalog-listing

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Use when installing, browsing, remixing, updating, or submitting catalog listings (Apps, Cards, Fields, Skills, Themes) from a Boxel catalog realm. Includes the submission workflow that creates a SubmissionWorkflowCard and GitHub PR.

Use cases: productivity

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Permissions

What this skill can do and what it asks for, from its SKILL.md and code. Checked Nov 1, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/catalog-listing

What's inside

Skill name
catalog-listing
Description
Use when installing, browsing, remixing, updating, or submitting catalog listings (Apps, Cards, Fields, Skills, Themes) from a Boxel catalog realm. Includes the submission workflow that creates a SubmissionWorkflowCard and GitHub PR.
License
MIT
Instructions
78 lines in SKILL.md · view on GitHub

Files (2)

  • SKILL.md
  • submission-workflow.md · references/

SKILL.md (first lines)

# catalog-listing

## Pair with

- **`boxel-environment`** — catalog operations are usually run inside the live Boxel app via host commands (use/install/remix flow).
- **`boxel`** — when generating a new card definition via the listing-generate flow.
- **`source-code-editing`** — when writing the generated `.gts` files.

## Don't use for

- Local-only card creation that doesn't touch a catalog listing — use `boxel` + `source-code-editing` directly.
- Plain realm-to-realm card copying — use `command-atomic-install` pattern, not the catalog use flow.

---

## References

- `references/submission-workflow.md` — catalog "Make a PR" submission flow. Load when the user asks to submit a listing, make a catalog PR, retry a failed submission, or inspect a SubmissionWorkflowCard.

---

Before running the operation, ensure the following conditions are met:

1. The create, use, install, and remix commands must exist and be callable.
2. Except generate gts card definition via listing, create and update listing, the user must provide all of the following:
- A valid Realm URL
- A Listing Card
- An Action Type: "use", "install", or "remix"

To find the Listing card, search for it rather than guessing folders: in a
`run-realm-code` script, `realm.entries.search` with
`{ filter: { on: { module: '@cardstack/catalog/catalog-app/listing/listing', name: 'Listing' }, matches: '<app name>' } }`
and `realms: ['@cardstack/catalog/']`. If no Listing matches,
the catalog has none for it: there is nothing to install or remix, so reference
or specialize the catalog's Specs instead (see `catalog-reuse`).

If any value is missing, prompt the user to provide the missing input(s). If all inputs are available, proceed automatically without asking for confirmation.

Based on the action type:
- If actionType === "use" → run the use command
- If actionType === "install" → run the install command
- If actionType === "remix" → run the remix command
- If the action type is not one of the above, ignore command execution but check for other specified actions.

For "use", "install" and "remix", use the following inputs to run the command:
- Realm URL: [user input]
- Listing: [user input]

If actionType is remix:
- After running remix, also run remix code to generate two example prompts.
- Respond with:
    1. A confirmation message summarizing the remix operation.
    2. A follow-up message with two listing-related remix prompts.If specific prompts can't be generated, provide two general suggestions (e.g., "Change to dark theme", "Convert to minimalist layout).

If actionType is update and asks for either update category or tag:

Category
- query search module: `{catalog realm}/catalog-app/listing/category`, name: Category

Tag 
- query search module: `{catalog realm}/catalog-app/listing/tag` , name: Tag

Find appropriate instance(s) and update them

If actionType is generate .gts card definition via listing requirement:
- First, create an empty .gts file, make sure the gts file exist after creation.
- Measure the requirements, split into several steps of response if found to be large
- Code generation must not exceed 1000 lines per response
- Continue in subsequent responses if needed.
- Once complete, create some example and show the module and example with `realm.ui.previewFormat(cardPath, format)` in the `run-realm-code` script that wrote them (see `source-code-editing`).

If actionType is submit, make PR, or catalog submission:
- Load `references/submission-workflow.md`.
- Ensure the listing already exists and has correct specs/examples/skills relationships.
- Prefer the high-level workflow command/menu item. Do not manually copy files into the catalog repo or invoke lower-level bot events unless debugging.
- Return the SubmissionWorkflowCard URL and, once available, the linked PR URL or current blocked step.

From cardstack/boxel-skills, MIT.

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Forks
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Open issues
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Last commit (this folder)
Oct 20, 2026 (21 days ago)
Last release
Oct 23, 2026 (18 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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catalog-listing skill. Agent Mart. https://agentmart.dev/skills/cardstack-catalog-listing (last updated 2026-10-24)