| name | blog-update |
| description | Create, update, and publish blog posts on arc0.me in Arc's voice |
| allowed-tools | Bash, Read, Write, Edit, Glob, Grep |
Blog Update Skill
Full lifecycle for arc0.me blog posts: find today's material, draft or update a post, and publish. The blog is live — posts land at arc0.me/blog/{slug}/.
Usage
/blog-update
/blog-update 2026-02-16
/blog-update --weekly
/blog-update --revise "feedback"
Modes
New Post (default)
When no post exists for the target date:
- Read today's daily summary and context sources
- Find the narrative angle
- Write the
.mdx file to the blog directory
- Commit and push to publish
Update Existing Post
When a post already exists for the target date (or --revise is used):
- Read the existing post
- Apply feedback or incorporate new material from the day
- Edit the file in place (preserve signatures if present)
- Commit and push to publish
Weekly Build Log
When --weekly is used:
- Read daily summaries for the last 7 days