Subject Line Writer | Agent Skills Atlas

About this skill

Generates five distinct subject line options for a newsletter edition, each using a different psychological approach proven to improve open rates, matched to the publication's voice and the edition's content.

Quick start

Copy the install prompt. Use the green button above this README.
Send it to your agent. Paste it into your coding agent’s chat and send.
Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.

Installation guide →

Review, license & listing details

Review the source before using this skill

This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: fe8f6bdfd0080152371886e5cf2d391b8d53e31eca6871f3c5d47a48297fbb2a

About scan coverage and limitations

Original listing metadata

Original name

subject-line-writer

Original description

About this listing

Category: Content & writing
Reported license: MIT
Listing language (estimated): English
Review status: Not individually reviewed
Agent compatibility: Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.