Bookmark

Bookmark

Save a URL to your Bookmarks.md file in one step. Paste the link : the AI fills in the name and description, picks a category, and saves immediately.

Usage: /bookmark [url]

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Step 1: Get the URL

If a URL was provided after the command, use it directly.

If not, ask: > What URL do you want to bookmark?

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Step 2: Fetch the Page

Fetch the page content. Extract:

• Name: page title or product name (prefer ` or `)
• Description: 1-line summary (~15 words) from meta description or page body

If fetch fails, ask: > I couldn't fetch that URL. What should I call it, how would you describe it in one line, and what category fits best?

Use the user's answers and continue normally.

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Step 3: Pre-Save Checks

Duplicate check: grep [resources_folder]/Bookmarks.md for the URL ([resources_folder] from Step 2). If already present, tell the user and stop (unless they confirm to save again).

Existing summary note: grep [resources_folder]/**/*.md for url: [URL] in frontmatter. If found, record its title for use as a wikilink in the entry.

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Step 4: Pick Category

Infer the best category and optional subcategory from the content : do not ask. Use the structure:

• Level 1 (##): broad domain : AI Tools, Design, Dev Utilities, Productivity, Reading, Learning, Finance, Health, Reference
• Level 2 (###): optional refinement : only when it adds meaningful grouping

Create new categories freely when none fit.

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Step 5: Save to Bookmarks.md

Build the entry:

- **[Name](URL)** : Description. → [[Summary Note Title]]

(Omit the wikilink if no summary note was found in Step 3.)

File path: [resources_folder]/Bookmarks.md ([resources_folder] from Step 2).

If the file does not exist, create it:

---
tags: [bookmarks, resources]
created: YYYY-MM-DD
updated: YYYY-MM-DD
---

# Bookmarks

Append under the correct ## / ### section (alphabetical order). Create missing sections in alphabetical position. Refresh updated in frontmatter.

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Step 6: Confirm

Say in one line: 🔖 Saved to Bookmarks.md under ## {Category}. [If subcategory: / ### {Subcategory}]

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Recategorize

If the user asks to move or recategorize a bookmark:

1. Resolve file path using [resources_folder]
2. Find the entry by name, or use the last bullet for "last bookmark"
3. Remove from current section; append to target section (create ## / ### as needed)
4. Refresh updated in frontmatter
5. Confirm in one line:

🔖 Moved {Name} from ## {Old} → ## {New}. [If subcategory: / ### {Sub}]

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Known Gotchas

• Fetch failure with a bare URL. If the page cannot be fetched (timeout, 404, auth-gated), ask the user for name, description, and category rather than stopping. A bookmark with manual metadata is still useful.

• Category auto-inference. Infer category from page content, not just the domain. A GitHub repo for a productivity tool belongs under Productivity or Dev Utilities, not under a generic GitHub category.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: onebrain-ai
• Source: onebrain-ai/onebrain
• License: Apache-2.0
• Homepage: https://onebrain.run

Install and usage instructions live in the source repository linked above.