# OpenTelemetry — Agent Score

> Score: 92/100 (Grade: A) | Docs: https://docs.opentelemetry.io/ | Checked: April 10, 2026

OpenTelemetry scored 92/100 (A) on Agent Score. 18 of 22 agent-readiness checks passed.

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

## Summary

- Total checks: 22
- Passed: 18
- Warnings: 1
- Failed: 2

## Category Scores

- page-size: 100/100
- observability: 46/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 88/100

## Check Results

### content-discoverability

- [warn] llms.txt found but only reachable via cross-host redirect (agents may not follow it)
- [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
- [pass] llms.txt is 2,064 characters (under 50,000 threshold)
- [pass] All 10 same-origin sampled links resolve (28 total links)
- [pass] 10/10 same-origin sampled links point to markdown content (100%)
- [pass] llms.txt directive found in 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 7K, max 16K)
- [pass] All 10 sampled pages convert under 50K chars (median 7K, 0% boilerplate)
- [pass] Content starts within first 10% on all 10 sampled pages (median 0%)

### content-structure

- [pass] No tabbed content detected across 10 sampled pages
- [pass] No tabbed content found; header quality check not applicable
- [pass] All 0 code fences properly closed across 11 pages

### url-stability

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

### observability

- [fail] llms.txt covers 26/4342 sitemap doc pages (1%); 4316 missing
- [fail] 3 of 10 pages have substantive content differences between markdown and HTML (avg 13% missing)
- [pass] All 11 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