# Polar — Agent Score > Score: 94/100 (Grade: A) | Docs: https://polar.sh | Checked: May 2, 2026 Polar scored 94/100 (A) on Agent Score. 17 of 23 agent-readiness checks passed. [View full report](https://buildwithfern.com/agent-score/company/polar) [All companies](https://buildwithfern.com/agent-score/llms.txt) ## Summary - Total checks: 23 - Passed: 17 - Warnings: 2 - Failed: 2 ## Category Scores - page-size: 91/100 - observability: 54/100 - url-stability: 100/100 - authentication: 100/100 - content-structure: 100/100 - markdown-availability: 100/100 - content-discoverability: 100/100 ## Check Results ### content-discoverability - [pass] llms.txt found at 2 locations; using https://polar.sh/llms.txt as canonical - [pass] llms.txt follows the proposed structure (H1, blockquote, heading-delimited link sections) - [pass] llms.txt is 31,182 characters (under 50,000 threshold) - [pass] All 10 same-origin sampled links resolve (263 total links) - [pass] 10/10 same-origin sampled links point to markdown content (100%) - [warn] llms.txt directive found in HTML of 10 of 10 sampled pages, but buried deep in the page (past 50%) - [pass] llms.txt directive found in markdown of all 10 sampled pages, near the top of content ### markdown-availability - [pass] 7/7 sampled pages support .md URLs (100%) - [pass] 7/7 sampled pages support content negotiation (100%) ### page-size - [pass] All 10 sampled pages contain server-rendered content - [pass] All 7 pages under 50K chars (median 5K, max 13K) - [pass] All 10 sampled pages under 50K chars (median 500K HTML → 10K markdown (98% boilerplate)) - [fail] 3 of 10 sampled pages have content starting past 50% (worst 69%) ### content-structure - [pass] 8 tab group(s) across 7 of 10 sampled pages; all serialize under 50K chars - [skip] 7 page(s) with tabs found, but no section headers inside tab panels to evaluate - [pass] All 16 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 - [fail] llms.txt covers 0/18 sitemap doc pages (0%); 18 missing; 263 llms.txt links not in sitemap (may indicate stale links or incomplete sitemap) - [warn] 4 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