# OpenTelemetry Ecosystem Explorer — Agent Score

> Score: 98/100 (Grade: A) | Docs: https://explorer.opentelemetry.io/ | Checked: August 26, 2026

OpenTelemetry Ecosystem Explorer scored 98/100 (A) on Agent Score. 18 of 23 agent-readiness checks passed.

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

## Summary

- Total checks: 23
- Passed: 18
- Warnings: 2
- Failed: 0

## Category Scores

- page-size: 94/100
- observability: 100/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 98/100

## Check Results

### content-discoverability

- [pass] llms.txt found at https://explorer.opentelemetry.io/llms.txt
- [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
- [pass] llms.txt is 39,703 characters (under 50,000 threshold)
- [skip] No HTTP(S) links found in llms.txt
- [skip] No HTTP(S) links found in llms.txt
- [warn] llms.txt directive found in HTML of 9 of 10 sampled pages (1 missing)
- [pass] llms.txt directive found in markdown of all 10 sampled pages, near the top of content

### markdown-availability

- [pass] 8/8 sampled pages support .md URLs (100%)
- [pass] 8/8 sampled pages support content negotiation (100%)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [pass] All 8 pages under 50K chars (median 1K, max 1K)
- [pass] All 10 sampled pages under 50K chars (median 7K HTML → 2K markdown (70% boilerplate))
- [warn] 9 of 10 sampled pages have content starting at 10–50% (worst 34%)

### 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 9 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 293 sitemap doc pages; 246 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [pass] All 8 pages have equivalent markdown and HTML content (avg 0% 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