# Fern — Agent Score

> Score: 87/100 (Grade: B) | Docs: https://buildwithfern.com/learn | Checked: April 22, 2026

Fern scored 87/100 (B) on Agent Score. 16 of 22 agent-readiness checks passed.

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

## Summary

- Total checks: 22
- Passed: 16
- Warnings: 2
- Failed: 3

## Category Scores

- page-size: 75/100
- observability: 86/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 82/100

## 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://buildwithfern.com/learn/llms.txt: No H1 heading found, No blockquote summary found
- [pass] llms.txt is 2,869 characters (under 50,000 threshold)
- [pass] All 7 same-origin links resolve (15 total links)
- [pass] 7/7 same-origin links point to markdown content (100%)
- [fail] No llms.txt directive found in any of 10 sampled pages

### 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 3K, max 8K)
- [fail] 10 of 10 sampled pages convert to over 100K chars (max 1948K, 6% boilerplate)
- [pass] Content starts within first 10% on all 10 sampled pages (median 5%)

### content-structure

- [pass] No tabbed content detected across 10 sampled pages
- [pass] No tabbed content found; header quality check not applicable
- [pass] All 18 code fences properly closed across 12 pages

### url-stability

- [pass] All 7 sampled pages return proper error codes for bad URLs; 3 failed to fetch
- [pass] No redirects detected across 10 sampled pages

### observability

- [warn] llms.txt covers 314/358 sitemap doc pages (88%); 44 missing; 1 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [fail] 2 of 10 pages have substantive content differences between markdown and HTML (avg 8% 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