openclaudia/openclaudia-skills · skills/email-subject-lines/SKILL.md
email-subject-lines skillA
Generate, evaluate, and A/B test email subject lines for maximum open rates. Includes formulas for curiosity, urgency, personalization, and more. Trigger phrases: "email subject line", "subject line ideas", "email subject", "write subject lines", "A/B test subject lines", "improve open rates", "email open rate", "subject line formulas".
Latest version
mdr add openclaudia/openclaudia-skills/email-subject-lines@git:20260211.07532bbExact content
mdr add openclaudia/openclaudia-skills/email-subject-lines@sha256:314bf56aba260d7bBadge
[](https://markdownregistry.com/a/art_kj2t2ngna6kejlmt)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260211.07532bb latest | 2026-02-11 | 07532bb | 13,016 B | A | view · diff |
| git:20260211.ed7ff86 | 2026-02-11 | ed7ff86 | 11,083 B | A | view |
Audit of the latest version
A 17 of 17 checks passed. Deterministic, no model, same answer every run.
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (13016 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
GitHub
openclaudia/openclaudia-skills · 679 stars · license MIT · pushed 2026-08-25 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_kj2t2ngna6kejlmt GET https://markdownregistry.com/api/v1/resolve?ref=openclaudia/openclaudia-skills/email-subject-lines GET https://markdownregistry.com/api/v1/blob/314bf56aba260d7b414899da61dea5b62650d4ad0cd566276fd6d1e9c1f3e203