All tools
audit_site
Full website SEO + AEO audit with 30 SEO + 7 AEO checks
audit_article
Deep-dive article audit with keyword targeting
audit_freshness
Check date markup across blog posts
generate_llms_txt
Create llms.txt for AI discoverability
generate_robots_txt
Create AI-friendly robots.txt
generate_sitemap
Create sitemap.xml by crawling
generate_freshness_code
Create date markup snippet
extract_tone
Analyze brand writing style
rewrite_article
Rewrite for better SEO/AEO
get_credits
Check credit balance
check_connection
Verify API connectivity
Tools by category
Audits
These tools analyze your website and content for SEO and AI visibility issues.| Tool | Description | Free? |
|---|---|---|
| audit_site | Full website audit: 30 SEO + 7 AEO checks | Yes |
| audit_article | Article-level audit: 7 SEO + 14 AEO checks | Yes |
| audit_freshness | Check date markup across blog posts | Yes |
Fix generators
These tools generate ready-to-deploy files that fix issues found in audits.| Tool | Description | Free? |
|---|---|---|
| generate_llms_txt | Create llms.txt for AI discoverability | No (500 credits) |
| generate_robots_txt | Create AI-friendly robots.txt | Yes |
| generate_sitemap | Create sitemap.xml by crawling | Yes |
| generate_freshness_code | Create date markup snippet | Yes |
Content optimization
These tools help optimize your content for better SEO and AI visibility.| Tool | Description | Free? |
|---|---|---|
| extract_tone | Analyze brand writing style from blog posts | No (500 credits) |
| rewrite_article | Rewrite article for better SEO/AEO | No (1,000 credits) |
Utilities
These tools help manage your account and troubleshoot issues.| Tool | Description | Free? |
|---|---|---|
| get_credits | Check credit balance and usage | Requires API key |
| check_connection | Verify API connectivity | Yes |
Tool conventions
Authentication
- Free tools work without an API key or account
- Paid tools require an API key from trystobo.com
- Account tools require an API key but don’t consume credits
Return format
All tools return JSON responses with structured data. Success responses include the requested data, while error responses include anerror field with details.
Caching
audit_siteresults are cached for 24 hours- Other audits are not cached and always run fresh
- Generators always create new content
Free tools (audits and most generators) work without an API key. You can start using Stobo MCP immediately without creating an account.