# E2B — Agent Score

> Score: 81/100 (Grade: B) | Docs: https://e2b.dev/docs | Checked: April 8, 2026

E2B scored 81/100 (B) on Agent Score. 11 of 22 agent-readiness checks passed.

[View full report](https://buildwithfern.com/agent-score/company/e2b-dev-docs)
[All companies](https://buildwithfern.com/agent-score/llms.txt)

## Summary

- Total checks: 22
- Passed: 11
- Warnings: 4
- Failed: 3

## Category Scores

- page-size: 71/100
- observability: 100/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 70/100
- content-discoverability: 77/100

## 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://e2b.dev/docs/llms.txt: No blockquote summary found; https://e2b.dev/llms.txt: No blockquote summary found
- [pass] llms.txt is 20,361 characters (under 50,000 threshold)
- [pass] All 10 links are external and resolve (183 total links)
- [skip] All 183 links are external; cannot assess markdown support
- [fail] No llms.txt directive found in any of 10 sampled pages

### markdown-availability

- [warn] 7/10 sampled pages support .md URLs (70%); inconsistent support
- [warn] Content negotiation partially supported: 7 correct type, 0 wrong type, 3 HTML only

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [pass] All 7 pages under 50K chars (median 6K, max 7K)
- [fail] 7 of 10 sampled pages convert to over 100K chars (max 883K, 25% boilerplate)
- [fail] 3 of 10 sampled pages have content starting past 50% (worst 100%)

### content-structure

- [pass] 20 tab group(s) across 6 of 10 sampled pages; all serialize under 50K chars
- [skip] 6 page(s) with tabs found, but no section headers inside tab panels to evaluate
- [pass] All 32 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

- [skip] No page URLs found in llms.txt
- [warn] 2 of 7 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