# ClickHouse — Agent Score

> Score: 75/100 (Grade: C) | Docs: https://clickhouse.com/docs | Checked: April 24, 2026

ClickHouse scored 75/100 (C) on Agent Score. 13 of 22 agent-readiness checks passed.

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

## Summary

- Total checks: 22
- Passed: 13
- Warnings: 2
- Failed: 5

## Category Scores

- page-size: 98/100
- observability: 80/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 33/100
- content-discoverability: 46/100

## 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 284,359 characters (exceeds 100,000 threshold; will be truncated by most agents)
- [pass] All 10 same-origin sampled links resolve (4048 total links)
- [fail] Same-origin links point to HTML and no markdown alternatives detected
- [fail] No llms.txt directive found in any of 9 sampled pages; 1 failed to fetch

### markdown-availability

- [fail] No sampled pages support .md URLs (0/10 tested)
- [pass] 9/10 sampled pages support content negotiation (90%)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [pass] All 9 pages under 50K chars (median 8K, max 17K)
- [pass] All 10 sampled pages convert under 50K chars (median 19K, 77% boilerplate)
- [warn] 3 of 10 sampled pages have content starting at 10–50% (worst 39%)

### content-structure

- [pass] 1 tab group(s) across 1 of 10 sampled pages; all serialize under 50K chars
- [skip] 1 page(s) with tabs found, but no section headers inside tab panels to evaluate
- [pass] All 79 code fences properly closed across 11 pages

### url-stability

- [pass] All 10 sampled pages return proper error codes for bad URLs
- [pass] All 1 redirect(s) across 10 sampled pages are same-host HTTP redirects

### observability

- [warn] llms.txt covers 1750/1912 sitemap doc pages (92%); 162 missing; 12 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap)
- [fail] 2 of 9 pages have substantive content differences between markdown and HTML (avg 12% 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