secret-hygiene SKILL.md skillA
secret-hygiene from smicolon/ai-kit is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add smicolon/ai-kit/secret-hygiene@git:20260218.21b554bPins git:20260218.21b554b in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- smicolon/ai-kit
- Path
packs/infisical/skills/secret-hygiene/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260218.21b554b, committed Feb 18, 2026
- Size
- 6,817 bytes
- Repository stars
- 7
- License
- MIT
This skill activates when detecting hardcoded strings that look like API keys or credentials, creating .env files, referencing process.env or os.environ without Infisical, or working with configuration files that contain sensitive values. It enforces secret hygiene practices and recommends moving secrets to Infisical.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Secret Hygiene
Patterns for detecting, preventing, and remediating hardcoded secrets in codebases.
## Detection Patterns
### Common Secret Patterns
Watch for these patterns in code:
```
# AWS
AKIA[0-9A-Z]{16} # AWS Access Key ID
[0-9a-zA-Z/+]{40} # AWS Secret Access Key
# API Keys
sk_live_[0-9a-zA-Z]{24,} # Stripe secret key
sk_test_[0-9a-zA-Z]{24,} # Stripe test key
SG\.[0-9A-Za-z\-_]{22}\.[0-9A-Za-z\-_]{43} # SendGrid
xoxb-[0-9]{11}-[0-9]{11}-[0-9a-zA-Z]{24} # Slack bot token
# Tokens
ghp_[0-9a-zA-Z]{36} # GitHub personal access token
glpat-[0-9a-zA-Z\-_]{20} # GitLab personal access token
eyJ[A-Za-z0-9-_]+\.eyJ[A-Za-z0-9-_]+ # JWT token
# Database
postgres://.*:.*@ # PostgreSQL connection string
mysql://.*:.*@ # MySQL connection string
mongodb(\+srv)?://.*:.*@ # MongoDB connection string
redis://.*:.*@ # Redis connection string
# Private Keys
-----BEGIN (RSA |EC |OPENSSH )?PRIVATE KEY-----
-----BEGIN PGP PRIVATE KEY BLOCK-----
```
### When to Flag
Flag code that contains:
…Read the whole file at its exact version.
How to install
mdr add smicolon/ai-kit/secret-hygiene@sha256:238b1c526712fba5The line at the top of this page pins the label git:20260218.21b554b, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_qrkitmyo4kyzpxpl)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Feb 18, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (6817 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
smicolon/ai-kit · 7 stars · license MIT · pushed 2026-09-15 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_qrkitmyo4kyzpxpl GET https://markdownregistry.com/api/v1/resolve?ref=smicolon/ai-kit/secret-hygiene GET https://markdownregistry.com/api/v1/blob/238b1c526712fba5921887a9083f9179a4b76d6ed6be3f871399f1c28d2b18a1
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.