# PromptArmor — Agent Score

> Score: 67/100 (Grade: D) | Docs: https://promptarmor.com | Checked: August 25, 2026

PromptArmor scored 67/100 (D) on Agent Score. 12 of 23 agent-readiness checks passed.

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

## Summary

- Total checks: 23
- Passed: 12
- Warnings: 2
- Failed: 6

## Category Scores

- page-size: 93/100
- observability: 51/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 0/100
- content-discoverability: 53/100

## Check Results

### content-discoverability

- [pass] llms.txt found at https://promptarmor.com/llms.txt
- [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections)
- [warn] llms.txt is 52,609 characters (between 50,000 and 100,000; consider splitting)
- [pass] All 10 same-origin sampled links resolve (242 total links)
- [fail] Same-origin links point to HTML and no markdown alternatives detected
- [fail] No llms.txt directive found in HTML of any of 7 sampled pages; 3 failed to fetch
- [fail] Could not fetch markdown for any of 10 pages; 10 had no markdown version

### markdown-availability

- [fail] No sampled pages support .md URLs (0/10 tested)
- [fail] Server ignores Accept: text/markdown header (0/10 sampled pages return markdown)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [skip] Skipped: dependency check did not pass
- [pass] All 10 sampled pages under 50K chars (median 48K HTML → 6K markdown (90% boilerplate))
- [warn] 7 of 10 sampled pages have content starting at 10–50% (worst 18%)

### 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 1 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 183/898 sitemap doc pages (20%); 715 missing; 59 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [skip] Skipped: dependency check did not pass
- [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