Agent Friendly Code

caddyserver/caddy

GitHub
https://github.com/caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

  • acme
  • automatic-https
  • caddy
  • caddyfile
  • go
  • golang
  • http
  • http-server
  • http3
  • https
  • privacy
  • reverse-proxy
  • security
  • tls
  • web-server
Stars:
78.7k
Language:
Go
Default branch:
master
Last scored:
Overall

At a glance

Rank
#95 of 401
Top 24% · #13 of 40 Go repos
Checks passed
9 of 17
Full list below
Best set up for
Claude Code
Score 82.9
Needs most work for
OpenHands
Biggest fix: Reproducible dev env (+10.0 pts)

What it has

What it's missing

What to fix first

Pick an AI agent

Showing fixes for Claude Code

  1. 1
    Reproducible dev env
    Add a Makefile or devcontainer or Dockerfile so the agent can set up the project in one command.
    +11.8 pts
  2. 2
    Test suite
    Add a tests/ (or test/, __tests__/, spec/) directory with runnable tests. Document how to run them in AGENTS.md.
    +3.9 pts
  3. 3
    Manageable size
    If possible, split into smaller modules or carve out a focused entry path. Document where to start in AGENTS.md.
    +1.3 pts

Score for each AI agent

Each agent weighs the checks by its own docs. Under each score are its top three. How each agent is scored →

Claude Code
#98 of 401
82.9
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✗Reproducible dev env
Codex
#94 of 401
81.8
  • ✓AGENTS.md / CLAUDE.md
  • ✓README
  • ~Test suite
Pi
#87 of 401
81.7
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✓Linter / formatter config
Kimi Code CLI
#97 of 401
80.7
  • ✓AGENTS.md / CLAUDE.md
  • ~Test suite
  • ✓Dependency manifest
Devin
#118 of 401
75.1
  • ✗Reproducible dev env
  • ✓Dependency manifest
  • ~Test suite
Cursor
#86 of 401
74.8
  • ✗Cursor rules (.cursor/rules)
  • ✓README
  • ✓Type configuration
Aider
#94 of 401
73.5
  • ✗.aider.conf.yml
  • ✓Linter / formatter config
  • ~Test suite
Gemini CLI
#94 of 401
73.2
  • ✗GEMINI.md
  • ✓README
  • ~Test suite
OpenHands
#110 of 401
71.9
  • ✓CI configuration
  • ✓Dependency manifest
  • ✗Reproducible dev env

Does caddyserver/caddy have agent instructions?

An AGENTS.md (or CLAUDE.md) at the root tells AI coding agents how to build, test and work in the repo. A few agents also read a file of their own.

AGENTS.md / CLAUDE.md
AGENTS.md (new tab) · 9,429 characters
Agent-specific files
None: no GEMINI.md, .cursor/rules, .openhands/setup.sh, .aider.conf.yml or .agents/skills
Repos that have one
23 of 40 Go repos · 221 of 401 repos on the leaderboard · See examples →

All 17 checks · 9 passed

Skills (.agents/skills)· 0% pass
No .agents/skills/<name>/SKILL.md
AGENTS.md / CLAUDE.md· 100% pass
Substantive (9,429 characters)
AGENTS.md
.aider.conf.yml· 0% pass
No .aider.conf.yml at repo root
CI configuration· 100% pass
8 GitHub Actions workflows
.github/workflows
CONTRIBUTING guide· 100% pass
Guide present
.github/CONTRIBUTING.md
Cursor rules (.cursor/rules)· 0% pass
No .cursor/rules/*.mdc or .cursorrules
Dependency manifest· 100% pass
Manifest present
go.mod
Reproducible dev env· 0% pass
No Makefile / devcontainer / Docker / equivalent found
GEMINI.md· 0% pass
No GEMINI.md at repo root
License file· 100% pass
License present
LICENSE
Linter / formatter config· 100% pass
Config detected
.golangci.yml
.openhands/setup.sh· 0% pass
No .openhands/setup.sh
Pre-commit / git hooks· 100% pass
Hook framework configured
.pre-commit-config.yaml
README· 100% pass
README detailed (12,656 characters)
README.md
Manageable size· 80% pass
734 files
Test suite· 70% pass
Test files detected (admin_checkhost_case_test.go)
admin_checkhost_case_test.go
Type configuration· 100% pass
Typed language (Go)

How caddyserver/caddy compares

vs leaderboard average
10.5 pts above
Average 66.8
vs Go average
6.3 pts above
Average 71.0
Stars among Go repos
#8 of 40

Missing here, and how many repos have it

  • Reproducible dev env · passed by 22% of leaderboard repos, 40% of Go repos
  • Skills (.agents/skills) · passed by 17% of leaderboard repos, 10% of Go repos
  • Cursor rules (.cursor/rules) · passed by 4% of leaderboard repos, 0% of Go repos

Passes checks most repos miss

  • Pre-commit / git hooks · only 29% of repos pass it

One fix for the most agents: Reproducible dev env would raise the score for all 9 agents, by up to 11.9 points.

Similar repos

Same language and host as this repo, closest in overall score.

All Go repos →

Same topics, any language

Repos tagged with the same GitHub topics, most shared first.

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Agent friendly score for github/caddyserver/caddy
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Check the score on every pull request

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