# MongoDB — Agent Score

> Score: 68/100 (Grade: D) | Docs: https://www.mongodb.com/docs | Checked: April 2, 2026

MongoDB scored 68/100 (D) on Agent Score. 11 of 22 agent-readiness checks passed.

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

## Summary

- Total checks: 22
- Passed: 11
- Warnings: 2
- Failed: 6

## Check Results

### content-discoverability

- [pass] llms.txt found at 2 location(s)
- [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
- [fail] llms.txt is 4,561,591 characters (exceeds 100,000 threshold; will be truncated by most agents)
- [pass] All 10 same-origin sampled links resolve (21329 total links)
- [warn] Same-origin links point to HTML, but 10 have .md variants available (1 external link excluded)
- [fail] No llms.txt directive found in any of 9 sampled pages; 1 failed to fetch

### markdown-availability

- [pass] 9/10 sampled pages support .md URLs (90%)
- [fail] Server ignores Accept: text/markdown header (0/10 sampled pages return markdown)

### page-size

- [warn] 1 of 10 sampled pages have server-rendered page structure but little substantive content; agents will see headings and navigation but not the page's actual documentation
- [pass] All 9 pages under 50K chars (median 11K, max 21K)
- [fail] 10 of 10 sampled pages convert to over 100K chars (max 373K, 34% boilerplate)
- [fail] 10 of 10 sampled pages have content starting past 50% (worst 98%)

### content-structure

- [pass] 16 tab group(s) across 2 of 10 sampled pages; all serialize under 50K chars
- [skip] 2 page(s) with tabs found, but no section headers inside tab panels to evaluate
- [pass] All 108 code fences properly closed across 11 pages

### url-stability

- [pass] All 10 sampled pages return proper error codes for bad URLs
- [pass] All 3 redirect(s) across 10 sampled pages are same-host HTTP redirects

### observability

- [skip] Sitemap has 45690 URLs but none are under the docs path prefix (/docs)
- [fail] 2 of 9 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