Tool discovery and shell one-liner reference for sysadmin, DevOps, and security tasks. AUTO-CONSULT this skill when the user is: troubleshooting network issues, debugging processes, analyzing logs, working with SSL/TLS, managing DNS, testing HTTP endpoints, auditing security, working with containers, writing shell scripts, or asks 'what tool should I use for X'. Source: github.com/trimstray/the-book-of-secret-knowledge
Install with Tessl CLI
npx tessl i github:jdrhyne/agent-skills --skill sysadmin-toolbox86
Does it follow best practices?
If you maintain this skill, you can automatically optimize it using the tessl CLI to improve its score:
npx tessl skill review --optimize ./path/to/skillValidation for skill structure
SSL/TLS tool selection and usage
testssl.sh included
100%
100%
sslyze included
100%
100%
openssl included
100%
100%
testssl.sh command example
100%
100%
sslyze command example
100%
100%
openssl command example
100%
100%
Web-based SSL checker
100%
100%
Deprecated protocol check
100%
100%
Certificate chain check
100%
100%
gnutls-cli mentioned
0%
100%
No wrong SSL tool
100%
100%
Without context: $0.2681 · 1m 32s · 9 turns · 10 in / 5,145 out tokens
With context: $0.4520 · 1m 49s · 15 turns · 3,709 in / 5,992 out tokens
Network diagnostic tool selection
mtr used
0%
100%
ss or netstat used
100%
100%
tcpdump or tshark used
100%
100%
nmap used
0%
0%
lsof used
0%
0%
mtr not replaced by ping+traceroute
0%
100%
Configurable target
100%
100%
Bash shebang
100%
100%
Section headers
100%
100%
Inline comments
100%
100%
curl or httpie for HTTP
100%
100%
Without context: $0.2078 · 58s · 8 turns · 9 in / 3,551 out tokens
With context: $0.5285 · 2m 17s · 15 turns · 47 in / 4,153 out tokens
Log analysis tool selection
lnav mentioned
100%
100%
GoAccess mentioned
100%
100%
angle-grinder mentioned
100%
100%
lnav command example
100%
100%
GoAccess command example
100%
100%
angle-grinder command example
100%
100%
Not only grep/awk
100%
100%
Error filtering guidance
100%
100%
Top-N analysis
100%
100%
ngxtop mentioned
0%
100%
Without context: $0.2908 · 1m 24s · 12 turns · 12 in / 4,852 out tokens
With context: $0.6343 · 1m 59s · 21 turns · 23 in / 6,434 out tokens
Table of Contents
If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.