# Supabase — Agent Score

> Score: 75/100 (Grade: C) | Docs: https://supabase.com/docs | Checked: April 11, 2026

Supabase scored 75/100 (C) on Agent Score. 10 of 22 agent-readiness checks passed.

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

## Summary

- Total checks: 22
- Passed: 10
- Warnings: 3
- Failed: 8

## Category Scores

- page-size: 73/100
- observability: 52/100
- url-stability: 79/100
- authentication: 100/100
- content-structure: 92/100
- markdown-availability: 40/100
- content-discoverability: 81/100

## Check Results

### content-discoverability

- [pass] llms.txt found at 2 location(s)
- [warn] llms.txt contains parseable links but doesn't fully follow the proposed structure: https://supabase.com/docs/llms.txt: No blockquote summary found, No heading-delimited sections found; https://supabase.com/llms.txt: No blockquote summary found, No heading-delimited sections found
- [pass] llms.txt is 546 characters (under 50,000 threshold)
- [pass] All 8 same-origin links resolve (8 total links)
- [pass] 8/8 same-origin links point to markdown content (100%)
- [fail] No llms.txt directive found in any of 10 sampled pages

### markdown-availability

- [warn] 4/10 sampled pages support .md URLs (40%); inconsistent support
- [warn] Content negotiation partially supported: 4 correct type, 0 wrong type, 6 HTML only

### page-size

- [fail] 1 of 10 sampled pages appear to be client-side rendered SPA shells (__next detected); agents using HTTP fetches will see no content; 1 more have page structure but little substantive content
- [pass] All 4 pages under 50K chars (median 15K, max 27K)
- [fail] 6 of 10 sampled pages convert to over 100K chars (max 1165K, 50% boilerplate)
- [fail] 3 of 10 sampled pages have content starting past 50% (worst 100%)

### content-structure

- [pass] 60 tab group(s) across 3 of 10 sampled pages; all serialize under 50K chars
- [fail] 2 of 2 page(s) with tab headers don't distinguish between variants (e.g. "response" repeats across 21 tab groups)
- [pass] All 109 code fences properly closed across 6 pages

### url-stability

- [fail] 3 of 9 sampled pages return 200 for non-existent URLs (soft 404); 1 failed to fetch
- [pass] All 1 redirect(s) across 10 sampled pages are same-host HTTP redirects

### observability

- [fail] llms.txt covers 440/2022 sitemap doc pages (22%); 1582 missing; 114 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [fail] 1 of 4 pages have substantive content differences between markdown and HTML (avg 14% missing)
- [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