- name
- content-publisher
- description
- Publish content to Medium, Dev.to, and Hashnode from markdown files. Handles formatting, SEO optimization, scheduling, and cross-posting with canonical URLs. Use when asked to publish articles, blog posts, or cross-post content across platforms.
Content Publisher
Publish markdown articles to Medium, Dev.to, and Hashnode. Handles SEO, formatting, and canonical URLs for cross-posting.
Supported Platforms
| Platform | Method | Auth |
|---|---|---|
| Medium | Browser automation | Google login |
| Dev.to | API | API key in env DEVTO_API_KEY |
| Hashnode | API | API key in env HASHNODE_TOKEN |
Workflow
1. Prepare content
Ensure article has:
- Title (H1)
- Subtitle/description
- Tags (3-5 relevant tags)
- Content body (markdown)
- Optional: cover image URL
2. SEO optimization checklist
Before publishing, verify:
- [ ] Title contains target keyword (under 60 chars)
- [ ] Meta description (under 155 chars)
- [ ] H2/H3 structure with keywords
- [ ] Internal/external links
- [ ] Alt text on images
- [ ] Call-to-action at end
3. Publish to Medium (browser)
1. Navigate to https://medium.com/new-story
2. Paste title and content
3. Click "Publish" → set tags → confirm4. Publish to Dev.to (API)
curl -X POST https://dev.to/api/articles \
-H "api-key: $DEVTO_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"article": {
"title": "TITLE",
"body_markdown": "CONTENT",
"published": true,
"tags": ["ai", "productivity"],
"canonical_url": "MEDIUM_URL"
}
}'5. Publish to Hashnode (GraphQL)
curl -X POST https://gql.hashnode.com \
-H "Authorization: $HASHNODE_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"query": "mutation { publishPost(input: { title: \"TITLE\", contentMarkdown: \"CONTENT\", publicationId: \"PUB_ID\", tags: [{slug: \"ai\"}] }) { post { url } } }"
}'Cross-posting strategy
- First: Publish on Medium (or your primary platform)
- Wait 24-48h: Let search engines index the original
- Cross-post: Use
canonical_urlpointing to the original - Why: Avoids duplicate content penalties in SEO
Publication submission (Medium)
To get more reach, submit to Publications:
- Find publication's "Write for us" page
- Follow their submission guidelines
- Submit via Medium's story settings → "Add to publication"
High-traffic AI Publications
- Towards AI (AI/ML focused)
- Better Programming (dev tools)
- The Startup (business/tech)
- Geek Culture (tech general)
- Level Up Coding (programming)
Batch publishing
For multiple articles, process sequentially with delays:
- Medium: max 2 articles per 24 hours
- Dev.to: no strict limit, but space them 1+ hours apart
- Hashnode: no strict limit