Mailcheck

Reference tool for devtools — covers intro, quickstart, patterns and more. Quick lookup for Mailcheck concepts, best practices, and implementation patterns.

Security Scan

The skill is an internal, read-only reference tool whose files and runtime instructions are consistent with its description and do not request credentials, network access, or elevated privileges.

Purpose & Capability

The name/description promise a local reference for Mailcheck guidance. The included SKILL.md and scripts/script.sh only produce plaintext documentation (heredocs) and command-line help; they do not require external services, binaries, or credentials. The requested capabilities match the stated purpose.

Instruction Scope

SKILL.md explicitly states 'No external API calls, no credentials needed, no network access' and the shipped script corroborates this: it only prints static documentation, reads no files, does not read environment variables, and does not make network calls. There is no scope creep.

Install Mechanism

There is no install specification (instruction-only skill with a helper script). Nothing is downloaded or written to disk by an installer. The only file is a small shell script included in the bundle.

Credentials

The skill declares no required environment variables, no credentials, and the runtime script does not access environment secrets. The credential/access footprint is minimal and proportional to a documentation reference tool.

Persistence & Privilege

always is false (default) and the skill does not request persistent system presence or modify agent/system config. It does not access other skills' configs or privileged paths.

Assessment

This skill appears coherent and low-risk: it just prints local documentation and does not ask for credentials or perform network I/O. Minor non-security issues: the script's internal VERSION is 2.0.2 while registry metadata is 2.0.3 (cosmetic), and the help heredoc uses single quotes so $VERSION won't expand (display quirk). If you allow the agent to execute this skill, it's safe in normal contexts, but as with any skill that runs code, consider running it in a sandbox or reviewing the included script before giving it permission to execute on sensitive hosts.

Reference tool for devtools — covers intro, quickstart, patterns and more. Quick lookup for Mailcheck concepts, best practices, and implementation patterns. No API keys or credentials required.

Commands

Command	Description
intro	intro reference
quickstart	quickstart reference
patterns	patterns reference
debugging	debugging reference
performance	performance reference
security	security reference
migration	migration reference
cheatsheet	cheatsheet reference

Output Format

All commands output plain-text reference documentation via heredoc. No external API calls, no credentials needed, no network access.

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