RuleStack
Counted 08:17 UTC

Real files, at real paths, counted every night

RuleStack
Real files, at real paths, counted every nightCounted 08:17 UTCDiff two files
7,205instruction files1,198repositories visited4,189rows written36files changed8formats20section tags85stacksCounted 13 September 2026
AGENTS.md617 repos, 60.4%CLAUDE.md359 repos, 35.2%.cursor/rules/*.mdc310 repos, 30.4%.github/copilot-instructions.md190 repos, 18.6%.clinerules188 repos, 18.4%GEMINI.md48 repos, 4.7%.windsurf/rules/*.md38 repos, 3.7%.cursorrules36 repos, 3.5%

.clinerules is in 188 repositories. The median one runs 400 words.

A single file or a folder of files, all always-on. The folder form is the simplest way any format here lets you split rules into topics without also learning an activation model.

ClineClinevendorSince 2025-01-01All 837 indexed files
Measured

What the nightly counted in real repositories

Counted 13 September 2026
Repositories carrying it188 18.4% of the corpus
Files that write down a command37.3%
Files carrying a code block46.8%
Agent behaviour75.0% of 4 root files
Code style75.0% of 4 root files
Documentation50.0% of 4 root files
Architecture50.0% of 4 root files
Hard prohibitions50.0% of 4 root files
Lint & format50.0% of 4 root files
Security50.0% of 4 root files
Setup & install50.0% of 4 root files
Types50.0% of 4 root files
Git, commits & PRs25.0% of 4 root files
Tests25.0% of 4 root files
Testing strategy25.0% of 4 root files
Build25.0% of 4 root files
Dependencies25.0% of 4 root files
Deploy & release25.0% of 4 root files
UI & components25.0% of 4 root files
APIs & contracts25.0% of 4 root files
Every night counted

Repositories carrying Cline rules, one column a night

24 nights stored
2026-08-0164 to 188 repositories2026-09-13
Asserted

What the documentation says this file can express

Read 1 August 2026
File.clinerules
OwnerCline
Tools that read it2 tools
Glob targetingNo
ImportsNo
FrontmatterNo
Nested filesNo
User scopeYes

Read from the format’s own documentation and checked by hand. Capabilities are asserted; adoption is measured.

Always in scope. Either a single .clinerules file or a .clinerules/ directory whose markdown files are all loaded.

ClineClineRoo CodeRoo Code
What it does well
Directory form splits rules by topic with zero configuration
Toggleable rule sets for switching context between tasks
What it cannot do
Cline-only
Everything is always-on, no targeting, so the folder form costs context
Counted pairwise

Repositories that carry Cline rules and something else

Counted 13 September 2026

The percentage is of repositories carrying Cline rules, which is the number a “Cline rules versus something” search is really asking for.

AGENTS.md42.0%79 carry both, 12.8% the other wayCopilot instructions27.7%52 carry both, 27.4% the other wayCLAUDE.md26.6%50 carry both, 13.9% the other wayCursor rules18.6%35 carry both, 11.3% the other wayWindsurf rules14.4%27 carry both, 71.1% the other wayGEMINI.md9.0%17 carry both, 35.4% the other way.cursorrules3.2%6 carry both, 16.7% the other way
The files

837 Cline rules files match in the corpus. These score highest.

All 837
NoRepository and pathCoversScoreChanged
001TypeScriptbashdeban/fastmind.clinerules/.project-consistency-keeper2.md100 /1001 month ago002TypeScriptVaillerTeeter/Bangumi-api-client.clinerules/project-identity.md100 /1009 days ago003TypeScriptbenjamincham/donuts.clinerules/testing.md100 /10012 days ago004JavaScriptJCodesMore/ai-website-cloner-template.clinerules97 /1001 month ago005Pythonenuno/unifi-mcp-server.clinerules96 /10029 days ago006PythonShar-pei/finalrag.clinerules/01-basic.md96 /10013 days ago007Pythondmhung1508/BanDoc.clinerules/01-basic.md96 /10013 days ago008JavaScriptBryaanF/LiantPortfolio.clinerules/project-guidelines.md96 /1001 month ago009Golepinkainen/humanlog.clinerules/project-rules.md96 /1001 month ago010Pythonfarmvaidya-ai/Lightrag_main.clinerules/01-basic.md96 /10014 days ago011Pythongriifth/Knowledge-BaseAssistantBasedonLightRAG.clinerules/01-basic.md96 /10013 days ago012Pythonnetbrah/NETGraph.clinerules/01-basic.md96 /10013 days ago