## **LagDetective**
\n**Lag Detective is a lightweight Fabric diagnostics mod for Minecraft that helps you quickly understand why your game or server is lagging \u2014 without installing heavy profilers or complex tools.<\/p>\n
It provides real-time performance monitoring, clear lag classification, and easy-to-read reports through simple commands and an optional client dashboard.**<\/p>\n
## What Lag Detective Does:<\/p>\n
**Lag Detective helps answer questions like:**<\/p>\n
– Is the lag coming from the server TPS or the client FPS?
\n– Are you CPU\/tick bound, GPU\/render bound, or memory\/GC stuttering?
\n– Are too many entities loaded in one chunk?
\n– Is chunk loading or world generation causing spikes?
\n– What are the most likely causes right now?<\/p>\n
## Key Features:<\/p>\n
**Server Performance Tools:**<\/p>\n
– TPS and MSPT monitoring
\n– Entity and chunk activity tracking
\n– Server-side lag diagnosis
\n– Support report generation<\/p>\n
## Client Diagnostics Dashboard<\/p>\n
– FPS + frame time monitoring
\n– Client tick time measurement
\n– Memory + GC spike detection
\n– Server metrics shown when available<\/p>\n
## Commands:
\n\/ld status \u2014 server performance summary<\/p>\n
\/ld fps \u2014 current client FPS<\/p>\n
\/ld mspt \u2014 server tick time<\/p>\n
\/ld tps \u2014 server TPS estimate<\/p>\n
\/ld clientinfo \u2014 full client debug info<\/p>\n
\/ld serverinfo \u2014 full server debug info<\/p>\n
\/ld entity \u2014 chunk-by-chunk entity scan<\/p>\n
\/ld report \u2014 generate support report<\/p>\n
\/ld ui \u2014 open the diagnostics dashboard<\/p>\n
## Support Reports<\/p>\n
**Lag Detective can generate a complete diagnostic report for debugging or support requests:**<\/p>\n
– System + mod info
\n– Current TPS\/FPS\/MSPT
\n– Top lag causes with confidence scores
\n– Recommended actions
\n– Saved automatically as: `lagdetective-report.txt`<\/p>\n
## Designed for Safety & Compatibility<\/p>\n
– Works on client + dedicated server
\n– No mixins required
\n– Lightweight sampling (default once per second)
\n– Never modifies other mods or game settings
\n– Suggestions are informational only<\/p>\n
## Perfect For:<\/p>\n
– Server owners tracking TPS drops
\n– Modpack developers diagnosing performance
\n– Players experiencing stutters or frame lag
\n– Debugging mob farms, chunk loaders, or heavy mods<\/p>\n
## **Lag Detective: Find the cause. Fix the lag. Play smoothly.**<\/p>\n","protected":false},"excerpt":{"rendered":"
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.<\/p>\n","protected":false},"featured_media":91535,"template":"","meta":{"_minecraft_slug":"lagdetective","_minecraft_project_id":"3KwzslhO","_minecraft_author":"Mouldytoast","_minecraft_license":"MIT","_minecraft_downloads":794,"_minecraft_follows":5,"_minecraft_client_side":"optional","_minecraft_server_side":"optional","_minecraft_storage_type":"zip","_minecraft_archive_name":"lagdetective.zip","_minecraft_size_bytes":82025,"_minecraft_version_count":1,"_minecraft_updated_at":"2026-05-15T21:05:23.127722Z","_minecraft_date_created":"2026-02-04T07:03:44.909519Z","_minecraft_date_modified":"2026-02-02T10:40:23.891086Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/lagdetective","_minecraft_icon_attachment_id":91535,"_minecraft_imported_at":"2026-06-05T05:30:38+00:00","_minecraft_import_hash":"64e6cc1c0838990556bf6fff572d31cb","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[97,89,873,126,137,90,123,92],"mod_loader":[99],"minecraft_version":[41],"class_list":["post-91534","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-fabric","mod_category-game-mechanics","mod_category-library","mod_category-management","mod_category-mobs","mod_category-optimization","mod_category-technology","mod_category-utility","mod_loader-fabric","minecraft_version-1-21-11"],"yoast_head":"\n