# PlanetScale — Agent Score

> Score: 94/100 (Grade: A) | Docs: https://planetscale.com/docs | Checked: May 5, 2026

PlanetScale scored 94/100 (A) on Agent Score. 17 of 23 agent-readiness checks passed.

[View full report](https://buildwithfern.com/agent-score/company/planetscale-com-docs)
[All companies](https://buildwithfern.com/agent-score/llms.txt)

## Summary

- Total checks: 23
- Passed: 17
- Warnings: 4
- Failed: 1

## Category Scores

- page-size: 91/100
- observability: 99/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 90/100

## Check Results

### content-discoverability

- [pass] llms.txt found at 2 locations; using https://planetscale.com/docs/llms.txt as canonical
- [warn] llms.txt contains parseable links but doesn't fully follow the proposed structure: https://planetscale.com/docs/llms.txt: No blockquote summary found
- [warn] llms.txt is 95,799 characters (between 50,000 and 100,000; consider splitting)
- [pass] All 10 same-origin sampled links resolve (479 total links)
- [pass] 10/10 same-origin sampled links point to markdown content (100%)
- [warn] llms.txt directive found in HTML of 10 of 10 sampled pages, but buried deep in the page (past 50%)
- [pass] llms.txt directive found in markdown of all 10 sampled pages, near the top of content

### markdown-availability

- [pass] 10/10 sampled pages support .md URLs (100%)
- [pass] 10/10 sampled pages support content negotiation (100%)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [pass] All 10 pages under 50K chars (median 19K, max 45K)
- [pass] All 10 sampled pages under 50K chars (median 597K HTML → 12K markdown (98% boilerplate))
- [fail] 2 of 10 sampled pages have content starting past 50% (worst 56%)

### content-structure

- [pass] 14 tab group(s) across 7 of 10 sampled pages; all serialize under 50K chars
- [pass] Tab groups have fewer than 2 panels; header quality check not applicable
- [pass] All 7 code fences properly closed across 12 pages

### url-stability

- [pass] All 10 sampled pages return proper error codes for bad URLs
- [pass] No redirects detected across 10 sampled pages

### observability

- [pass] llms.txt covers 100% of 464 sitemap doc pages; 2 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [warn] 1 of 10 pages have minor content differences between markdown and HTML
- [pass] All 12 endpoints have appropriate cache headers

### authentication

- [pass] All 10 sampled pages are publicly accessible
- [skip] All docs pages are publicly accessible; no alternative access paths needed