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email-sequences

Design and write email campaigns and sequences including onboarding flows, lifecycle campaigns, transactional emails, newsletters, broadcast sends, and launch and announcement emails. Use this skill whenever the user wants to write email copy, plan an email sequence, design an onboarding drip, or set up lifecycle email campaigns. Triggers on email sequence, drip campaign, onboarding email, lifecycle email, welcome email, transactional email, newsletter, email broadcast, launch email, announcement email, nurture sequence, abandoned cart, re-engagement, win-back. Also triggers when planning email automation flows or writing email subject lines for campaigns.

68

Quality

82%

Does it follow best practices?

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SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

68%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The content is a well-organized, actionable skill body with concrete structures, ranges, and an output template, and it correctly delegates to two reference files. Its main weaknesses are a missing explicit validation/recovery loop in the batch-send workflows and inlining of detail that the reference files were meant to hold.

Suggestions

Add an explicit validation/feedback step to the sequence and broadcast workflows (e.g., after 'Test on mobile', add 'Fix layout/flow issues, re-test, only schedule when all checks pass') so batch-send operations include a validate-fix-retry loop.

Move the detailed subject-line patterns and per-type sequence skeletons out of SKILL.md into references/subject-line-patterns.md and references/sequence-templates.md, keeping SKILL.md as a concise overview that links to them.

Tighten the '5 components' and 'Failure patterns' sections by trimming restated aphorisms that duplicate guidance already implied elsewhere, to improve token efficiency.

DimensionReasoningScore

Conciseness

The body is efficient and assumes Claude's knowledge (no explaining what email is), but includes some restated best-practice aphorisms and an inlined subject-line patterns block that could lean more on the referenced file, matching the efficient-with-minor-trims anchor.

4 / 5

Actionability

Provides concrete, executable guidance: per-email structures with day timing, word-count ranges per email type, character ranges for subject/preview, and a copy-pasteable output-format template with field placeholders; minor gaps keep it at 4 rather than 5.

4 / 5

Workflow Clarity

Two well-sequenced numbered workflows (new sequence, broadcast) are present, but email sends are batch operations and the workflows lack an explicit validate-then-fix feedback loop, so per the batch-operation cap workflow clarity is capped at 3.

3 / 5

Progressive Disclosure

Clear section headers and two one-level-deep reference files (subject-line-patterns.md, sequence-templates.md) are clearly signaled with links, but substantial subject-line and sequence-template detail is inlined in SKILL.md rather than pushed to the reference files, matching the good-structure-with-minor-gaps anchor.

4 / 5

Total

15

/

20

Passed

Description

96%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is strong across the board: it clearly states the skill's capabilities, provides an explicit 'Use when' clause, and lists a comprehensive set of natural trigger terms with synonyms. The only minor gap is that it does not name sibling skills to further reduce overlap risk with closely related copywriting skills.

DimensionReasoningScore

Specificity

Lists multiple concrete actions ('Design and write email campaigns and sequences including onboarding flows, lifecycle campaigns, transactional emails, newsletters, broadcast sends, and launch and announcement emails') with comprehensive coverage across email types, matching the score-5 anchor.

5 / 5

Completeness

Explicitly answers both 'what' ('Design and write email campaigns and sequences...') and 'when' ('Use this skill whenever the user wants to write email copy, plan an email sequence... Triggers on...') with concrete trigger phrases, matching the score-5 anchor.

5 / 5

Trigger Term Quality

Provides comprehensive natural trigger terms with synonyms ('drip campaign, onboarding email, lifecycle email, welcome email, transactional email, newsletter, email broadcast, launch email, announcement email, nurture sequence, abandoned cart, re-engagement, win-back'), matching the comprehensive-coverage anchor.

5 / 5

Distinctiveness Conflict Risk

Email-specific niche with distinct triggers (abandoned cart, win-back, drip) keeps conflict risk low, but the description does not name sibling skills to disambiguate overlap with related copywriting skills, placing it at score 4 rather than 5.

4 / 5

Total

19

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository
rampstackco/claude-skills
Reviewed

Table of Contents

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